Marshall Jmp Mods
Und wollte die Röhren eben wechseln. Marshall JMP 100 Master Volume. Re: Marshall JMP-1 - Modded or Unmodded?. Marshall JCM800 2203/2204 Mod(s) Cautionary Statement: Amplifiers contain voltages high enough to Kill you even after the amp has been powered Off!!! If you don't have enough electronic experience to identify and discharge the Filter Capacitors which contain these Deadly voltages, take your amp to a Qualified tech. Marshall 1972 JMP Super Tremolo 100w Head Model #1959T. Mavashi I just remembered that on their website at some point they offered different type of mods you amp to come with, one of them mentioned "high-gain". I'm not sure what the most popular TSL mods are, honestly. Backing Tracks. For now it will be basic repairs and mods. Loud and proud 1979 Marshall JMP 2203 100 watt head! I love the 2203 circuit and personal think it’s one of the best master volume amplifiers Marshall has built. I have a 2203 JMP and its a stunning amp. Yeah the Mesa Studio Pre is an amazingly fat preamp. The "Low" input was clearly a Plexi. Two channels, each with two inputs and separate tone and volume controls for each channel. Marshall’s original inspiration was the Fender Bassman, which may have been a difficult amp for the average guitarist to obtain in England in the early ’60s, when the nation was still in the throes of post-World War II rationing (as Dave Marsh wrote in Before I Get Old, the sharply dressed “Mods” The Who modeled themselves after, and in. Complete JMP-1 schematics, JMP1-61-04 issue 10, (Marshall, 2001). I did this to my '68 SB and the sound is awesome through a '68 4X12 with 55hz green backs. FS: Boogie Triaxis, Marshall JMP-1 Preamp, Marshall Stereo Power Amp 20/20: TheTrooper: Classified Ads: Guitars and Gear: 3: 10-22-2013 12:47 PM: 1971 Marshall 1960B & 1982 Marshall Anniversary 1960A white: Sevenstringer: Classified Ads: Guitars and Gear: 6: 01-27-2013 05:05 PM: Marshall 9100 Digitech Valve FX, 2x12 Marshall cabs HELP. The JMP-1 is probably my most prized posession, hope you'll be just as satisfied with it. I know some like the Voodoo Amps mod, but it seems to transform it away from the Marshall character for better or worse. The sound that 800 buyers thought they were getting. Translation from the article that is available on-line regarding modifications to clean up the JMP-1's performance. First, Some Background… When people most often think of vintage Marshalls, the most highly regarded are the non-master volume series including the model 1959 100 watt head produced in the late 1960’s and early 1970’s. Marshall JMP-1 vs. 1176 ableton adat apollo apollo 8 apollo 16 apollo twin ableton adat apollo apollo 8 apollo 16 apollo twin. Hiwatt potentiometers. He is the guy that designed amps such as the Vintage Modern, JTM45/100 reissue, Super100 Jimi Hendrix, JMP1W head and combo, 1962. What you need you do is disconnect the resistors R169 and R167 from the loop. No beard yet when picture taken. Now I am far from an expert on these so maybe someone can tell me if this is a "Small box" version or if it has been converted to a Master Volume (what is that chicken head knob on. 00 Platinum Mod™ $1315. Introduced in 1974, the "Master Volume Lead" series amps were Marshall's first true high gain amplifiers. en los zócalos de las válvulas el voltaje de los filamentos me da 6. stock #39 modded by Tim Caswell) First Marshall amp to bear the signature of an artist, the Marshall JCM Slash Signature is an authentic reissue of the classic 2555 Jubilee head that was released in 1987 to celebrate the 25th Anniversary of the company. They cascaded the Plexi's bright channel into the normal channel, added a pre-phase inverter master volume and cold biased "cold clipper" gain stage and tweaked the resulting. MARSHALL STYLE JMP FACEPLATE. sigue sin salir humo bien página 6. Selling my beloved Marshall. Marshall JMP-1 and 20/20. mods Based on: Marshall 1987X Vintage Series, reissue of the Marshall 50w JMP Lead 1987. i've only owned it about 4 years and have never gigged it out or had it outside my smoke free home. Marshall JMP 50 watt model 1987 confirmation please 01-04-2016, 07:52 PM. The JMP-1C is perfect for home recordists looking to add the coveted JMP growl and attack to their tracks, collectors looking for a usable and user-friendly piece of Marshall history, and those who are want the Super Lead sound back after putting their 100-watt heads in storage years ago. Threads Tagged with marshall jmp: Thread / Thread Starter: Last Post: Replies: Views: Forum. A 1959 will probably be my next Marshall. It seems to make a great difference and the GM2 is behaving I believe as it should. JTM 50 and JMP 50 - the EL34/6550 equipped JTM and JMP 50 watt Marshall amplifiers were fitted with the Drake (p/n 784-139) output transformers that had a primary impedance 3,400 ohm. sources, the Simtel-20 Unix-C Archive and a large collection of MS-DOS source code. Here you find all info about the ADA mods i am selling. Guitar Lead Van Damme Cable Neutrik Straight to Right Angle Jack Plug Purple 3 M. No mods, holes, or any funny business. i did basically the same mod to a carvin valve master,. Mike Fortin world famous Tube Amp designer and builder of many high-end guitar amplifiers did his famous "Cali mod" to my 70's 100w Marshall JMP master volume Guitar Amplifier. Und wollte die Röhren eben wechseln. The Marshall JMP-1 is a valve based guitar preamp, offering a single space rack mountable unit for use with electric guitar. Everyone from Thin Lizzy to Iron Maiden used them and the picture of a wall of Marshalls sitting behind an arena stage is something every aspiring rocker dreams of. Ok --I 'm jumpimg in here. Nothing wrong. Marshall Style JTM 45 Chassis Includes Front & Rear JTM45 Faceplate Set 14Ga brushed aluminum. not good with a soldering iron? no problem you can ship your mp-1 to me to get it modded. I would never mod any of my 800's or JMP. I did this to my '68 SB and the sound is awesome through a '68 4X12 with 55hz green backs. It was burning up fuses but found out a bunch of burnt resistors from the Darlignton's power amp part of the amplifier, also the diode bridge was gone, wich has now been replaced, also D3 and TR10 were gone, also replaced now (used a turned around 2N5088 while waiting for the correct BC182 for it), now the amp. It was founded by drum shop owner and drummer Jim Marshall, and is now based in Bletchley, Milton Keynes, Buckinghamshire. My '74 JMP 50W has a B+ of around 360V My '85 2204 is around 430V And it definitely shows as far as volume goes. What it does have is every combination of 100 watt JMP variation from the Plexi to the mid seventies Super Lead and Super Bass heads. General Board. No beard yet when picture taken. The local hole in the wall music store has had an old Marshall head in there for quite some time and with all the talk of old Marshall heads in this forum I figured I go check it out. #8 Machinated, Oct 7, but the master volume mod really helped tame it so I can get a killer tone at a low volume. Super Lead heads married to matching cabinets loaded with speaker quads, teamed to deliver 100 watt walls of sound, and for many, defined that era of classic rock & roll. not good with a soldering iron? no problem you can ship your mp-1 to me to get it modded. Der finnes dessverre ikke mange mod publisert for JMP-1. Vintage 1979 Marshall JMP 2104 Combo Amp - $1600 (Doylestown, PA) Up for sale is my 1979 Marshall JMP 2104 2 x 12 Combo Amp 50 watts. Marshall JMP MK2 Lead info?? Harry J: 5/18/99 12:00 AM: Hi, I bought a Marshall Master Model 50 MK2 Lead JMP 2 / 12 combo back in the early 80's. Gear • Amps • Gear-Show Demo • EL34 • NAMM 2019 • Tube Head • Videos • Marshall NAMM '19 - Marshall Studio Classic (JCM800 2203) and Studio Vintage (JMP 1959SLP) Demos Shawn Hammond. (plenty of bass). I personally like the white tolex. NAD: Marshall JMP Superlead. I hope everyone who reads this will find valuable information on how to get the most from thier old tube amplifier and really make that amp. I have an opportunity to buy a 77 JMP Super lead with the MV mod. Sooner or later though, I gotta' try some Mullards. P&P: + £25 Includes All Circuitry Mods. 1976 100 watt Marshall JMP Super lead vs 1977 JMP Super lead. You name it, I do it. ADA MP1 3TM ULTRA. The local hole in the wall music store has had an old Marshall head in there for quite some time and with all the talk of old Marshall heads in this forum I figured I go check it out. i use a el34 100:100 and jmp1 rack through 2 1960 cabs for rehearsal, and i like it a lot. Marshall JMP MK2 Lead info?? Showing 1-11 of 11 messages. I know this might be the wrong forum but here goes. Its simple layout, High and Low sensitivity inputs, and dynamic preamp offers a ton of textures, from dense distortion to powerful, attitude-laden clean/crunch sounds. Some of these may even surprise you. Older Marshall amps used a 6. a fully modded and upgraded mp. A cap across a plate resistor is a very popular fix/mod for this era of Marshall amp. Those looking for the true Marshall sound only need use an original, unmodified Super. I do not use Marshall logos anymore as the amp community thinks this is so wrong. You can also try just tacking a cap to ground. Marshall Dsl Manual. In perspective, I have owned many Marshall's over the years including 5 hand-wired amps. SUPER cool none the less. JCM800 / JMP V5 MOD: 5 different Marshall Voicings in 1 box (Low + High Gain Channels) ! AC/DC, George Lynch, Aldridge, EVH brown tones + Modern Rock. 1976 Marshall JMP 50w 2x12 combo - $925 < image 1 of 5 > QR Code Link to This Post. Marshall JMP 2204 with Marstran transformers. and no tone pot, Duncan Custom shop 78 in the bridge and DiMarzio Cruzer in the neck. This is one of the "GOOD" ones. With the prices and scarcity of “vintage” amplifiers these days, more and more people are removing mods that either they had put in many moons ago or have purchased gear on the used market that they would like to restore to its former glory. Habe seit einiger Zeit einen Marshall JMP aus dem Jahre 76. I recently pulled it out & fired it up, and its working'ish. The Marshall JMP was the go-to amp if you were a rock or metal musician in the seventies and early eighties. The 1977 Marshall JMP 2204 (MV) that I purchased new back in the day, was the best sounding Marshall that I've ever owned. Just on the topic of the JMP 1 fx loop. JMP-1 Standard, Deluxe, Platinum Mods & Upgrades. JMP-1 translation from French - Google 1 After studying the internal topology and operation of the Marshall JMP-1 preamp (see Guitarist No. What you need you do is disconnect the resistors R169 and R167 from the loop. 1976 100 watt Marshall JMP Super lead vs 1977 JMP Super lead. (2020 Edition) Read More ». 00 Platinum Mod™ $1315. NAD: Marshall JMP Superlead. BRAND: Marshall. Same goes for output transformer. I am not the original owner. FS: Boogie Triaxis, Marshall JMP-1 Preamp, Marshall Stereo Power Amp 20/20: TheTrooper: Classified Ads: Guitars and Gear: 3: 10-22-2013 12:47 PM: 1971 Marshall 1960B & 1982 Marshall Anniversary 1960A white: Sevenstringer: Classified Ads: Guitars and Gear: 6: 01-27-2013 05:05 PM: Marshall 9100 Digitech Valve FX, 2x12 Marshall cabs HELP. Hab meinen JMP-1 letztes Jahr beim Frank Finkhäuser modden lassen. *The preamp is super cheap (although not as cheap as I got it--there is a story about that) because it does not have any effects, etc. This is a fully-featured monster amp in a small package. in Fort Myers. See more ideas about Marshall amps, Guitar amp, Marshall. The Birth of the High Gain Amplifier 2203 Master Volume 100 Watt, 2204 50 Watt and JCM800 Lead Series Preamp. I have a Marshall JMP 1987 50W MKII 1976 that look very close to your amp. not good with a soldering iron? no problem you can ship your mp-1 to me to get it modded. The head was old,the presence knob didn`t work and sounded like it. Gear • Amps • Gear-Show Demo • EL34 • NAMM 2019 • Tube Head • Videos • Marshall NAMM '19 - Marshall Studio Classic (JCM800 2203) and Studio Vintage (JMP 1959SLP) Demos Shawn Hammond. During this period, Marshall also manufactured the JTM/JMP style amplifiers under the Park and Kitchen-Marshall brand names. NO MODS complete with 1960 Ax and Bx cabs, 100 watt cabs. Chassis shown for reference only. Adding a few of those in here and there. The JMP (James Marshall Products) We classic rockers are all intimately tied to the massive tone that exploded onto the 60's rock scene courtesy of Marshall Amplification. Men jeg fant en på et spansk forum som endrer frekvensene for tonekontrollen slik at den skal ligne mer på en gammel plexi. Monomyth Amplification 1,380 views. 1981 Marshall JMP 2104 Combo Clean and mean 1981 Marshall JMP 50 watt 2104 2×12 combo. A mint 1976 50 watt JMP, special order model 2100. reprint, 2011 HC with DJ $19. Hab meinen JMP-1 letztes Jahr beim Frank Finkhäuser modden lassen. The technician said the mod can be easily reversed, but it improved the tinny tone the amp previously had. I've played my own vintage Marshall heads with the one wire mod and they've sounded incredible with the right caps, output transformer and speaker combination. There was no problem with these bulbs but they eventually would burn out. It is a Marshall, so it wouldn't be right if there wasn't some noise! Like all manufacturers (especially Marshall!) they use the cheapest parts and construction they can, so are susceptible to ground loops etc. 1980 Marshall JMP 2204 for sale Thi. Also included is a Marshall logo nylon cover and an A&S Flight Case Co. ⁠⠀ *Flat $14. The head was old,the presence knob didn`t work and sounded like it. Classified. he mentioned there's a bright cap mod that leaves the amp pretty unmolested but will get rid of some of the brightness for me? Is this an easy mod to do? Marshall fitted the combo version with a pair of Blackback 25s originally, and blown speakers are common. JMP-1 Standard, Deluxe, Platinum Mods & Upgrades. This is a dual can style capacitor 50uF/50uF rated at 500 volts. The clean-sound in the sample sounds more spunky and spiffy than i get on my un-modded jmp!. Discussion in 'Backline' started by Revson, Oct 5, 2012. Vintage 1979 Marshall JMP 2104 Combo Amp - $1600 (Doylestown, PA) Up for sale is my 1979 Marshall JMP 2104 2 x 12 Combo Amp 50 watts. Here's a Marshall JMP-1 MIDI valve pre-amp that I've just serviced. SOLD BUT ONE MORE SB IN STOCK! 1970 Marshall Plexi/metal panel 100w Super Bass! Amp's circuit is untouched and blasts that juicy vintage plexi tone legends were built on. I think a Marshall preamp slaved into a Mesa poweramp can sound great. Marshall JMP-1 - Used. To browse a collection of recently modified,. and no tone pot, Duncan Custom shop 78 in the bridge and DiMarzio Cruzer in the neck. Apr 16, 2017 - Explore dd3keegs's board "marshall mods" on Pinterest. We changed some things in preamp to tune this amp for better backings, but mainly for singing lead tones. Splawn Originally Posted by Dr. This example sounds fantastic and nails that classic midrange driven crunch. I'm only scratching the surface of tonal options here, but I'm surprised at how well it's able to take all of these, especially the Plexi. The crisp highs almost have a hi-fi feel to them. pdf - 519 Kb 108: Marshall_jmp_lead_50w_1987. stock #39 modded by Tim Caswell) First Marshall amp to bear the signature of an artist, the Marshall JCM Slash Signature is an authentic reissue of the classic 2555 Jubilee head that was released in 1987 to celebrate the 25th Anniversary of the company. Hi, I started to make my own JMP 2204, I buyed Marstran transformers (139 and 118-2), I've for intructions the 50W metro kit pdf and some layouts. Syn1, Syn2, Syn50/50, MOD50, M4, Hilly's RM100 modded to dual, RM4 modded to dual channel. I do not use Marshall logos anymore as the amp community thinks this is so wrong. You may have to register before you can post: click the register link above to proceed. New ADADepot site,thanks to Dante,check it out here * ADA MP1 MODDED TUBE BOARDS prepared tubeboards ready to install in your mp-1 * SHIPPED IN MODS. Tons of modules. Title: v:\jmp1_ch_iss10. I've played my own vintage Marshall heads with the one wire mod and they've sounded incredible with the right caps, output transformer and speaker combination. 5K Gold lead Mepco in R124. Guitar Amp. All original, NO MODS, near mint condition! As mint as you'll find for an amp of this age. The screen resistor value also has a substantial effect on harmonic distortion. Instead, the 100-watt Marshall JMP Super Lead head was released in 1965, originally inspired by a request for a 100-watt head from The Who's Pete Townshend. Tons of modules. Marshall_jmp_1. P&P: + £25 Includes All Circuitry Mods. The preamp will be able to cut through the mix a lot better both in a recording studio as well as live. Marshall JMP 1 effects loop mod. However, I have never used it. I hope everyone who reads this will find valuable information on how to get the most from thier old tube amplifier and really make that amp. I do not use Marshall logos anymore as the amp community thinks this is so wrong. An accurate replacement bridge from the Golden Age. See which musicians and artists use Marshall JMP-1 Tube MIDI Guitar Preamp, including Billy Gibbons, Josh Klinghoffer, Trent Reznor and 44 others. Original knobs and power plug. This amp is a JMP 2203 so the master knob is a Pre phase inverter master volume so the extra knob that it is i the far right side should be a post phase inverter master volume mod. A perfect base for mods: "HOLLYWOOD MOD": - 2 channels with seperate gain controls - singing Lead sound and deep structured rhythm gain - smooth compression and lots of harmonics - one shared tone adjustment, perfectly tuned - Master pot. G-Major 2, Eventide Eclipse, Mesa 20/20, Fryette Powerstation, Friedman Smallbox Combo, 1979 Marshall JMP 50 modded to BE/HBE by Friedman. Hey everybody, I've got my heart set on building a JMP 2204, but I can't find a layout anywhere. Marshall JMP 1 effects loop mod. Being 100 watts, this thing is LOUD. Marshall Amp Mod Project Blog dedicated to modifications to Marshall JMP amplifiers. In this video we'll take a look at a Marshall 2204 JMP mk2 Master Lead Head from 1977. This example sounds fantastic and nails that classic midrange driven crunch. Hi, I started to make my own JMP 2204, I buyed Marstran transformers (139 and 118-2), I've for intructions the 50W metro kit pdf and some layouts. Marshall Schematics. I like a good grind also with an organic flavor and a somewhat tight bottom end but not too modern. 00 (see bottom of page) Upgrade from Deluxe To Platinum Mod™ $625. Worlds apart from the JMP-1 but this Marshall's getting better for sure! For testing, I'm using a US strat with a 500k vol. Guitar Mods. • SUPERSONIC MOD: more articulate + less compressed • MARSHALL Voicing for blue channel (JMP/JCM800). In the late 70's Marshall introduced the big square rocker switches with built-in 120v neon pilot light. Re: 70's Marshall JMP 2199 Master Lead 2x12 combo « Reply #1 on: July 29, 2013, 08:55:14 AM » I'd back off on replacing Caps that are obviously not broken and has little to do with the problem you describe as You will likely complicate the problem further. 1 3/8" diameter X 2" tall. These amps have a sound like non other and are some of the most coveted master volume Marshall amps. But I'm a Marshall tone freak and wanted access to the classic Marshall tones in one box. Marshall JMP 50 W, Master volume! ! ! 2xEL34 - jednostavan, relativno povoljan za održavanje. If you want a 2x10 or 2x12 combo, select "no cabinet" here and then select your combo cab from our amp cabinets page. 3v incandescent light bulb as a pilot light. ⁠⠀ Tag us #carmodsaustralia and mention us @carmodsaustralia to go in the draw for a $250 gift voucher. org • View topic - Marshall JMP-1 Preamp mods? Blue Guitar Schematics Marshall Schematics Exemples d'optimisation d'amplificateurs à lampes pour guitare Maybe I will simply ask Voodoo labs Marshall JMP-1 Preamp Mod. It is a Marshall, so it wouldn't be right if there wasn't some noise! Like all manufacturers (especially Marshall!) they use the cheapest parts and construction they can, so are susceptible to ground loops etc. Permalink you'd like the sound of an older marshall like a JMP or plexi or whatever, this is the way to go. Before Marshall Amp by purpleplexi posted Oct 1, 2017 at 11:55 PM After Marshall JMP by purpleplexi posted Oct 1, 2017 at 11:55 PM. 00 Platinum Mod™ $1315. Check it out. 00 (see bottom of page) Upgrade from Deluxe To Platinum Mod™ $625. This amp is untouched and completely original. This example sounds fantastic and nails that classic midrange driven crunch. Lampe su menjane na oko 5 godina. I have an opportunity to buy a 77 JMP Super lead with the MV mod. Some sort of clarity mod, possibly- not that the TSL is muddy, per se, just that it's not JCM 800/JMP clear, but that's likely a function of its more "modern" voicing, and possibly something to smooth out the highs a bit. Worlds apart from the JMP-1 but this Marshall's getting better for sure! For testing, I'm using a US strat with a 500k vol. Marshall JMP-1 Mod. and newly Designed Equipment,. Marshall JMP 2203 (100 Watt) TAD Tube Set with Matched Power Tubes. 1,879 likes · 19 talking about this. MODEL: JMP-1. I still have an old AC30 and an old clone of a JTM Marshall (but not the JMP), and I go to the Vox way more often. This article tries to give an overview over the early Marshall 100 watt amplifiers by piecing together available information and shedding new light on transitional models from 1967. Title: v:\jmp1_ch_iss10. I have the schematic, but with the high gain in the amp I'm a bit scared of laying it out myself and risking a few rebuilds to fix the ridiculous amount of hum I'm already imagining. and no tone pot, Duncan Custom shop 78 in the bridge and DiMarzio Cruzer in the neck. Photograph of the JMP-1. a fully modded and upgraded mp. These amps have a sound like non other and are some of the most coveted master volume Marshall amps. (i know it's a 2012 publication but i found this tread on the net…) I'm looking to have that "marshall tone" rich, huge and full in the spectral frequencies, but here how i can describe my sound: Fizzy, overtone of high mids in the feedback loop when i hit a. I've used the amp for 30 years without any major issues. Source Code CD-ROM from Walnut Creek CDROM. Make an offer!. Hey everybody, I've got my heart set on building a JMP 2204, but I can't find a layout anywhere. The box is a replacement. The JMP 50. We at CeriaTone would be happy to serve your needs, whether you are a DIYer, an amp shop, or a boutique amp manufacturer. and it doesnt sound like EMG's at all. Softube launches Marshall Bluesbreaker 1962, JMP 2203 & Silver Jubilee 2555 native plugins Save 70% on UJAM’s Virtual Bassist Mellow 2, on sale for $39 USD Krotos updates Dehumaniser 2 with new artist presets and special price. Monomyth 1976 "GOOD VIBRATIONS" mod Marshall Super lead 2203 100w JMP ( High gain JOSE) - Duration: 2:28. Check out what happened to it. Marshall JMP-1 Mod Options Standard Mod™ $795. Jmp Pictures, Images & Photos Gallery. Marshall's JMP-1 preamp was a classic little unit. Re: JMP Reissue w/JCM800 & AFD mods Post by martin manning » Tue May 23, 2017 9:39 am I had saved some of the "SDM" layouts from the Metro site, but not all. Men jeg fant en på et spansk forum som endrer frekvensene for tonekontrollen slik at den skal ligne mer på en gammel plexi. Chassis shown for reference only. This is an engraved acrylic laminated faceplate. The Dynamic Bass System (DBS) The DBS range was introduced in 1994 and discontinued in 2000. All amp brands and names, and band/song info used in descriptions are trademarked by their respective owners and are in no way affiliated with Pete's Profiles. The preamp will be able to cut through the mix a lot better both in a recording studio as well as live. Marshall JMP-1 vs. Marshall JMP 1 effects loop mod. They're notorious for spontaneously dying and…. My very first Marshall was a 1977 JMP Master Volume 50w Head and half stack that I bought new. Older Marshall amps used a 6. It seems that soon after you start using the preamp, usually after the warranty period, the encoder starts to 'skip' and. stock #39 modded by Tim Caswell) First Marshall amp to bear the signature of an artist, the Marshall JCM Slash Signature is an authentic reissue of the classic 2555 Jubilee head that was released in 1987 to celebrate the 25th Anniversary of the company. While I do have a mod in mind based on customer feedback on that model, my mods are all adjusted to fit your needs and change the amp in the ways you need it changed. During this period, Marshall also manufactured the JTM/JMP style amplifiers under the Park and Kitchen-Marshall brand names. Used Fortin Cali Mod on 70's 100w Marshall JMP for sale in Fort Myers - Fortin Cali Mod on 70's 100w Marshall JMP posted by Mark U. Tube 2 Channel Mod can be applied to the following amps: Marshall JTM/JMP 1985 / 1986 / 1987 / 1989 / 1959 / 1992; Marshall JMP 2103 / 2104 / 2203 / 2204; Marshall JCM800 1987 / 1959. It’s hard to argue against the amp that Hendrix, Page, Van Halen, Clapton and many others used. This is the last Marshall JCM800 Clone I built and sold. JMP-1 into 5150, into a 1x12 theil cab loaded w/ a WGS ET65. The "High" input was pure gainy Marshall - kinda like a cranked JMP. After I will put some mods like the dual PPIMV, specs like the M&G bluesbreaker ZW, perhaps a Fx loop. We have the Marshall 1977 JMP MKII 50w DAVE KRACKE MOD Tube Guitar Amp Head in stock in our Vintage collection. You may have to register before you can post: click the register link above to proceed. "We have designed countless Mods since 1998. For sale is a Marshall JMP-1 MIDI Pre-amp in excellent condition. Mark has a lot of different mods, this one has a footswitchable low gain Jose Arredondo mod with a full set of controls on the back, and then a high gain Jose mod for a lead channel. Amp: Marshall JMP-1 -> Rocktron Velocity 100 -> Marshall JCM-900 Lead 4x12 FX and stomps: T. Marshall JMP 2204 50 watt - $2000 (Seattle) Clean and mean 1978 Marshall JMP 2204 50 watt master volume head. I need to get. New FJA Mods Forum. Let's just say he's done a few of these. Another music gear post. Syn1, Syn2, Syn50/50, MOD50, M4, Hilly's RM100 modded to dual, RM4 modded to dual channel. Over the years, Marshall have become one of the most modded amps ever. The preamp will be able to cut through the mix a lot better both in a recording studio as well as live. 📸 jmp__detailing 🙏 ( #📷 @thicc86)⁠⠀ ⁠⠀. 5F6A Mods. Being 100 watts, this thing is LOUD. This example sounds fantastic and nails that classic midrange driven crunch. 431 hp at 5500 rpm. Make an offer!. Pandemic sell off. If you're looking for a 'special' Marshall JMP (Built in 1976) tone then look no further than what we have captured here. I was thinking of listing it on Ebay on Tuesday and figured that I'd give you guy's first crack at it if you're interested. You can tell because of the toggle switches, and not the rocker style switches. See the Marshall Amps JMP-1 page for more "official" information on the JMP-1's. No holes or mods front/back and amp comes with vintage UK Mullard EL34 output tubes. Super Lead heads married to matching cabinets loaded with speaker quads, teamed to deliver 100 watt walls of sound, and for many, defined that era of classic rock & roll. SUPER cool none the less. i've tried 9 different ones in the circuit. Shop now and receve free shipping on your order today!. Re: I got a Marshall JMP-1 Quickie review. Mullard 6V6 Power Tube. Dimensions: 17'' L x 6 1/2'' W x 2 1/2'' H 3 9-Pin Sockets, 3 Octal, 2 Channels, 2 Inputs/Channel, Presence, Bass, Middle, Treble,. More information Saved by Kianche Woo. Comes with power chord and user manual. The box is a replacement. FUNCTION: 1U Guitar Preamp. from all the new ones i tried - the burr brown opa2277 is now the one i prefer. JMP sounds ok but stereo recording fiddly and costs an extra plug-in to make it work stereo. MOD Reverb Tank. This is the last Marshall JCM800 Clone I built and sold. Spider Valve Mod; Marshall Mods. Impedance selector bypassed - as shown in pictures; No Mods. Limited edition. The head was old,the presence knob didn`t work and sounded like it. The Marshall JMP 2203 plug-in expertly models one of the most sonically distinct Marshalls ever made. I was thinking of listing it on Ebay on Tuesday and figured that I'd give you guy's first crack at it if you're interested. Marshall JMP 50 watt model 1987 confirmation please 01-04-2016, 07:52 PM. Original knobs and power plug. Whether you have a Marshall transistor amp such as an MG30, MG50, MG100, MG250 , a valvestate amp VS15, VS30,VS65R or a JCM600, JCM900 or similar valve amp we can provide a complete repair service. It’s hard to argue against the amp that Hendrix, Page, Van Halen, Clapton and many others used. los ánodos de las válvulas de previo me dan entre 494 y 488. 3v incandescent light bulb as a pilot light. Had a bit of fun tonight putting a few pedal and amp plugins in front of the Tweed Deluxe plugin. The crisp highs almost have a hi-fi feel to them. Sell it for big money and buy four 1987 for the price if you like Last edited by catalin. Guitar Lead Van Damme Cable Neutrik Straight to Right Angle Jack Plug Purple 3 M. All Marshall amps have been equipped with neon bulbs ever since. (Same model as EVH's original Marshalls, just a few years newer. Band Links. Photograph of the JMP-1. It has 40 years of rock on it, but I had it serviced last year and it's good to go. Marshall_jmp_1. You can also try just tacking a cap to ground. A cap across a plate resistor is a very popular fix/mod for this era of Marshall amp. We changed some things in preamp to tune this amp for better backings, but mainly for singing lead tones. They cascaded the Plexi's bright channel into the normal channel, added a pre-phase inverter master volume and cold biased "cold clipper" gain stage and tweaked the resulting. I have what I believe to be one of the earliest JMP 50 watt heads. Instead, the 100-watt Marshall JMP Super Lead head was released in 1965, originally inspired by a request for a 100-watt head from The Who's Pete Townshend. Marshall JMP-1 vs. Guitar Amp. Marshall JVM410. You can also try just tacking a cap to ground. Neither JMP nor JCM800 are gain monsters right out of the box, but there are plenty of mods and speaker swaps that can get you there. Marshall Amp Modifications. Whether you have a Marshall transistor amp such as an MG30, MG50, MG100, MG250 , a valvestate amp VS15, VS30,VS65R or a JCM600, JCM900 or similar valve amp we can provide a complete repair service. Just had it checked over by Marshall. Re: Marshall JMP-1 - Modded or Unmodded?. Marshall Jmp-1. Marshall JMP MK2 Lead info?? Showing 1-11 of 11 messages. Two channels, each with two inputs and separate tone and volume controls for each channel. Marshall Diagrams, Schematics and Service Manuals - download for free! Including: 5x02 new , 18w new , 18wr new , 30thanniv new , 87x 60 02 1 new , 87x 60 02 2 new , 100w 67 new , 200w new , 1917 new , 1930 new , 1959 01 60 02 new , 1959mk2u new , 1959prem new , 1959pwrm new , 1959sprm new , 1959spwm new , 1959t 66 new , 1959tu new , 1959u new , 1962ri89 new , 1962ri93 new , 1963 70 new , 1963. (plenty of bass). I would only ever use two of these outputs, so I wouldnt need to drill an. Some of these may even surprise you. Any experience/preference here? I have a stock JMP-1. Marshall JMP 1 effects loop mod. Marshall JMP making squealing noise 02-19-2015, 09:55 PM. This is a 1976 marshall jmp 50 watt 2-12 combo , artiste model. ⁠⠀ *Flat $14. We changed some things in preamp to tune this amp for better backings, but mainly for singing lead tones. Mesa TriAxis Yeah, it seems that people are so swarming to the Line 6 line (great amps) that they never checked out the Yamaha and thus the prices have dropped. The battery is bang in the middle of the board so you really don't want this to leak. Original knobs and power plug. I've used the amp for 30 years without any major issues. Marshall JMP-1 pre amp. The serial dates this one to 1980. My friend designed my own logo pictured above. Marshall vs. Mullard 6V6 Power Tube. You name it, I do it. I don't necessarily think a Plexi or JCM800 sounded better than the JVM, but they had their own voices and that's something I wanted alongside the JVM, so I determined the necessary mods to get that and did them. i much prefer OD1 over OD2 for fast, tight and defined thrash metal, though. With four EL34 power tubes, a solid-state rectifier section, and a 4x12 cabinet — or two — typically loaded with 25-watt Celestion G12H ceramic speakers, the Plexi is much more. Amp: Marshall JMP-1 -> Rocktron Velocity 100 -> Marshall JCM-900 Lead 4x12 FX and stomps: T. If you do not see your amp listed please contact us!". Skip to main content Skip to footer site5112118564 Used 112118564 Marshall Jmp1 With Voodoo Amp Mod Guitar Preamp. Neither JMP nor JCM800 are gain monsters right out of the box, but there are plenty of mods and speaker swaps that can get you there. The Dynamic Bass System (DBS) The DBS range was introduced in 1994 and discontinued in 2000. I am not the original owner. Improve the harmonic structure so harmonics leap off from the fretboard with ease. Gear • Amps • Gear-Show Demo • EL34 • NAMM 2019 • Tube Head • Videos • Marshall NAMM '19 - Marshall Studio Classic (JCM800 2203) and Studio Vintage (JMP 1959SLP) Demos Shawn Hammond. See which musicians and artists use Marshall JMP-1 Tube MIDI Guitar Preamp, including Billy Gibbons, Josh Klinghoffer, Trent Reznor and 44 others. ADA MP1 3TM ULTRA. British Empire Mod. Most people prefer the British sound of the el34. hi! i own an original 74th 100W marshall jmp super bass, that i modified to the guitar super-lead. Just on the topic of the JMP 1 fx loop. This amp is in very good condition with typical dings and some wear in the Tolex. Here is a Profile of my number 1 amp it's a Marshall 1980 100 watt JMP with the Jose Arredondo Mod. Mod 1 - mrežni i birač impedanse su zaključani na 220 V i na 16 Ohm. JMP/Plexi 1987, JTM45 style can be modded but they have a very small chassis, so they are limited as to what options can be installed. Unwanted Noise. 1976 Marshall JMP 50w 2x12 combo - $925 < image 1 of 5 > QR Code Link to This Post. can´t even turn it up to 2 cause the speakers (4 celestion 12" 75W) can´t handle my guitar with much attacked playing clean or distorted. The simpler 50 watt power amp is shown below but the 100 watt power amp used in the Super Lead Plexi and 2103 and 2203 Master Volume amps simply had two additional power tubes in parallel with the two shown below. Marshall JMP-1 Mod Options Standard Mod™ $795. Apr 16, 2017 - Explore dd3keegs's board "marshall mods" on Pinterest. He is the guy that designed amps such as the Vintage Modern, JTM45/100 reissue, Super100 Jimi Hendrix, JMP1W head and combo, 1962. All original, NO MODS, near mint condition! As mint as you'll find for an amp of this age. by zerosadness » Thu Aug 15, 2013 10:31 am. Purchased back in '71 from that short haired skinny guitar player from Houston. This pack is currently under updates for 2020 revisions with specific guitars and. Play a real 1980 or before JMP with the one wire mod, a PPIMV and JJ tubes through a nice cab with Vintage 30's and G12H-30's in an X pattern and you've got a pretty bad ass sounding rig. Band Links. Solder terminals for attaching wire leads. The "Low" input was clearly a Plexi. Those looking for the true Marshall sound only need use an original, unmodified Super. Yeah the Mesa Studio Pre is an amazingly fat preamp. Spider Valve Mod; Marshall Mods. Tons of modules. First, Some Background… When people most often think of vintage Marshalls, the most highly regarded are the non-master volume series including the model 1959 100 watt head produced in the late 1960’s and early 1970’s. Mark has a lot of different mods, this one has a footswitchable low gain Jose Arredondo mod with a full set of controls on the back, and then a high gain Jose mod for a lead channel. i use a el34 100:100 and jmp1 rack through 2 1960 cabs for rehearsal, and i like it a lot. Alors évidemment, difficile pour le JMP-1 de renier sa "patte" MARSHALL, avec ces médiums si caractéristiques. Hey everyone! As the title already says I want to connect a Marshall 2061x to my OX! The AMP has two parallel loudspeaker output jacks. Jaimebcn gracias por mojarte con los transformadores espero que mas gente aporte su opinión antes de decidirme. I've used the amp for 30 years without any major issues. Transformers w/ laydown mains are 100% original and amp was just serviced. Marshall JMP 1959T Super Lead (S. Tube 2 Channel Mod can be applied to the following amps: Marshall JTM/JMP 1985 / 1986 / 1987 / 1989 / 1959 / 1992; Marshall JMP 2103 / 2104 / 2203 / 2204; Marshall JCM800 1987 / 1959. Re: 70's Marshall JMP 2199 Master Lead 2x12 combo « Reply #1 on: July 29, 2013, 08:55:14 AM » I'd back off on replacing Caps that are obviously not broken and has little to do with the problem you describe as You will likely complicate the problem further. You amp is a jtm 50 with no doubt 67 era. The Birth of the High Gain Amplifier 2203 Master Volume 100 Watt, 2204 50 Watt and JCM800 Lead Series Preamp. Hi all, I'm new here and was just wondering if anyone knows how I can find out exactly what mods were done to my 50 watt super lead JMP Marshall head? This thing sounds great but the foot-switch. With the prices and scarcity of “vintage” amplifiers these days, more and more people are removing mods that either they had put in many moons ago or have purchased gear on the used market that they would like to restore to its former glory. I was thinking of listing it on Ebay on Tuesday and figured that I'd give you guy's first crack at it if you're interested. I played around with all these mods except the IC31 pin which would be hard to reverse. I feel like an idiot asking this question but a friend of mine has an old Marshall JTM-45 amp with 4 inputs on it. Any experience/preference here? I have a stock JMP-1. Now I am far from an expert on these so maybe someone can tell me if this is a "Small box" version or if it has been converted to a Master Volume (what is that chicken head knob on. 1 Richard Kuehnel, Guitar Amplifier Electronics: Basic Theory, (Seattle: Amp Books, 2018)i. JTM 50 and JMP 50 - the EL34/6550 equipped JTM and JMP 50 watt Marshall amplifiers were fitted with the Drake (p/n 784-139) output transformers that had a primary impedance 3,400 ohm. Marshall JMP 2203 (100 Watt) TAD Tube Set with Matched Power Tubes. Apr 16, 2017 - Explore dd3keegs's board "marshall mods" on Pinterest. Hiwatt potentiometers. 923 Posts: 10160 Joined: Fri Mar 18, 2011 2:38 am Location: Orange County, CA. SYNTH MOD - Make your ds-1 do some freaky stuff! DS-2 - Please inquire about available mods GE-7:. Pre-War Guitar Belly Bridge. Even today, there are many players who value the simplicity and great tone they can achieve out of using a single channel 2203 or 2204 master volume Marshall. It is a Marshall, so it wouldn't be right if there wasn't some noise! Like all manufacturers (especially Marshall!) they use the cheapest parts and construction they can, so are susceptible to ground loops etc. Audette Amp Mods. The guy that made this video sent me a pic of the inside of the modded 1977 Super Bass he used and it looks exactly like your JMP. No mods made, everything original except for the tubes and even those are only the second pair to be in the amp and two new knobs. Marshall JMP 2204 50 watt - $2000 (Seattle) Clean and mean 1978 Marshall JMP 2204 50 watt master volume head. Softube launches Marshall Bluesbreaker 1962, JMP 2203 & Silver Jubilee 2555 native plugins Save 70% on UJAM’s Virtual Bassist Mellow 2, on sale for $39 USD Krotos updates Dehumaniser 2 with new artist presets and special price. Marshall JMP-1 vs. com or purchase it online and bring your amp in to have the m. 75 freight per order Aus-wide*⁠⠀. by zerosadness » Thu Aug 15, 2013 10:31 am. Don't underestimate the volume of this. The local hole in the wall music store has had an old Marshall head in there for quite some time and with all the talk of old Marshall heads in this forum I figured I go check it out. I used a 150K Carbon Comp in R126 and 1. So i opened up my later Jmp and noticed that it had Capacitors in all these spots and not resistors just like the schematic. Re: JMP Reissue w/JCM800 & AFD mods Post by martin manning » Tue May 23, 2017 9:39 am I had saved some of the "SDM" layouts from the Metro site, but not all. pdf - 223 Kb 107: Marshall_jmp_lead_50w_100w. We changed some things in preamp to tune this amp for better backings, but mainly for singing lead tones. Instead, the 100-watt Marshall JMP Super Lead head was released in 1965, originally inspired by a request for a 100-watt head from The Who’s Pete Townshend. The first is a 1977 JMP 2203 master volume model, 100 watts. Freshly retubed with JJ's [12ax7 preamp, KT88 poweramp : note tubes in photos are the old tubes. Re: Marshall JTM/JMP 45/50/100 Lead, SuperLead, Plexi, MKII, Master & non-Master This is cool learning better where my amp stands. Marshall Amplification is a British company that designs and manufactures music amplifiers, speaker cabinets, brands personal headphones and earphones, and, having acquired Natal Drums, drums and bongos. There have been some mods made to the amp. JMP-1 translation from French - Google 1 After studying the internal topology and operation of the Marshall JMP-1 preamp (see Guitarist No. Marshall Schematics. The Marshall JMP 2203 plug-in expertly models one of the most sonically distinct Marshalls ever made. JMP/Plexi 1987, JTM45 style can be modded but they have a very small chassis, so they are limited as to what options can be installed. This set of profiles includes HBE, C45 and Fat mods. Overall this example is all original with no mods and has 6550 Russian Tung Sol power tubes. It also features the Voodoo Amps Standard modification. Here is my current JMP. Marshall JMP-1 Mod. These powerful bass guitar amps featured the ability to deliver an incredible. All mods are compatible with ALL revisions of the ADA MP-1,it doesen't matter if it's a 110V or a 220V unit. An accurate replacement bridge from the Golden Age. Here's a Marshall JMP-1 MIDI valve pre-amp that I've just serviced. Whether you’re looking for an amp for home use, to practice in your bedroom, or an amp to play a gig at the local bar, the only difference is volume. Master Volume Mod Kit for JTM45, JTM50, 1987 Lead, JCM800 2204A(50W), JCM800 2203A(100W), TW Express, & 5E3. Plexi, JMP, JCM800 mods Standard mods My standard mods are my bottom line price to get inside that particular model amp and make circuit changes. MOD Reverb Tank. Marshall Amp Modifications. Re: Marshall JMP-1 - Modded or Unmodded?. The technician said the mod can be easily reversed, but it improved the tinny tone the amp previously had. Backing Tracks. is mounted to the pots, where as the JMP. Overall fairly clean and all original less the input jacks and impedance selector. Marshall JMP-1 - Modded or Unmodded? Tue, Nov 15, 2011 8:35pm. a fully modded and upgraded mp. Marshall JMP 50 watt model 1987 confirmation please 01-04-2016, 07:52 PM. This amp is untouched and completely original. Spider Valve Mod; Marshall Mods. 1969 Marshall JMP 1930 Popular 2x10 mini Blues Breaker 10w. These amps were designed in the UK with an old 70s JMP look but built by some shady contractor in India. Marshall JMP 2203 (100 Watt) TAD Tube Set with Matched Power Tubes. Marshall decided to try and fill the gap and along came the Jim Terry Marshall 45, more commonly known as the JTM 45. File Date: 21 Dec 2001 14:09 v:\jmp1_fp_iss10. This is a 1974 Marshall Super Lead 100w with a Mike Morin(Amp Wizard) gain stage added, gain knob is via a lower input, so no additional holes in faceplate, Has the obvious hi-Gain capability of 80s metal, ala VH, Jake, George, YJM, yet the amp still retains the original "Low Gain" Plexi type classic rock sound, just dial down the gain knob!. I've relocated to Charlotte, NC and gone back to working on cars to get on my feet down here and buy a house. Fájó szívvel válok meg ettől a szörnyetegtől. Over 600 megabytes of source code for Unix and MSDOS. All in one. In 1968 Marshall began equipping the 100 watt amplifiers with the Dagnall brand transformers, the JMP 50 amplifiers continued to be eqiupped with the Drake. No beard yet when picture taken. This amp is untouched and completely original. I still recently sold the Mojo cabinet. Re: Marshall JMP-1 - Modded or Unmodded?. Der finnes dessverre ikke mange mod publisert for JMP-1. marshall jmp-1 for sale If this is your first visit, be sure to check out the FAQ by clicking the link above. 53 + AU $316. See more ideas about Marshall amps, Guitar amp, Marshall. 132 of February 2OO1), let's get serious with some more changes easy to implement and relatively inexpensive. @douglasaldrichguitar man I owned so many amps , and the stupid thing is that I always wanted to have a 2203, but for somehow reason It never happened to have it. 3v incandescent light bulb as a pilot light. 1979 JMP definitely seems the best of the bunch, if you have a 2x12 or 4x12 cab for it. VINTAGE 1974 MARSHALL 100 WATT JMP SUPER LEAD MKII NO MODS! VINTAGE 1974 MARSHALL 100 JMP SUPER LEAD MKII EXCELLENT WORKING CONDITION NO MODS! FREE SHIPPING! Vintage 1974 Marshall 100 watt JMP Super Lead MKII. If you do not see your amp listed please contact us!". Pandemic sell off. One of those full stacks in my avatar is mine. BRAND: Marshall. As original as original can be with an inclusion of an circuit mod from the late 70s has been kept, why? Because it has that 'special something'. This example sounds fantastic and nails that classic midrange driven crunch. Roleplay online, your favorite character from a book, TV show, video game, or movie through creative writing in a private, one-on-one environment. So for the past 5-6 years, my main amp has been a Marshall Haze 40. 1987Lead50w,HendrixAmp,+Box4x12",'72EX+: AM018: S EEIT: Marshall: Artiste/Blues Breaker 2x12 Combo, RED: AM200: S EEIT. These amps were designed in the UK with an old 70s JMP look but built by some shady contractor in India. I have a 1976 Marshall JMP MkII #1987 50watt head, with master volume & effects loop mods. I've changed the valves and power supply capacitors, cleaned up the metal work and implemented my 'Live-for-Ever' battery mod'. 1978 Marshall MK-2 Lead 100 w/4-12 Bottom Straight Cab - $1500 (Fresno) < image 1 of 16 > condition: good make / manufacturer: Marshall Mod #1 clamps down the output and allows the amp to crunch at a much lower volume without the potential damage folks had when using "Power Soak" technology. Sounds like Godzilla!. The guy who modded it doesn't want his name public so we can talk about that part through email. The '79 JMP 2204 I have sounds badass just the way it is. That said, the JMP-1 seemed like a weird Marshall hybrid that didn't really sound like any "real" Marshall I had ever owned. Marshall JMP 1930 10W Schematic Marshall JMP 1 Schematic Marshall JMP 4150 Clubncountry Bass 100W Schematic. Re: Marshall JMP 'must have' mods? Tue, Dec 07, 2010 9:18am without hacking it I would always install a depth mod and change some values here and there to make it more "meaty". Gear • Amps • Gear-Show Demo • EL34 • NAMM 2019 • Tube Head • Videos • Marshall NAMM '19 - Marshall Studio Classic (JCM800 2203) and Studio Vintage (JMP 1959SLP) Demos Shawn Hammond. pdf - 802 Kb 103: Marshall_jmp_1930_10w. What you Get… A beefier model than the normall II, although for me its the reverse here. Amp: Marshall JMP-1 -> Rocktron Velocity 100 -> Marshall JCM-900 Lead 4x12 FX and stomps: T. If you're looking for a 'special' Marshall JMP (Built in 1976) tone then look no further than what we have captured here. Bluesbreaker Mod; Class 5 Mod; DSL 15 Mod; DSL 20 Mod; DSL/TSL 50/100W Mod; MKII STUDIO MOD; JCM800/JMP V5 MOD; JCM800 STUDIO MOD; JCM800 JMP NO DRILL HIGH GAIN MOD; JCM800 JMP 2 Channel Mod; JCM900 Dual Reverb Mod; JCM900 SLX Mod; JMP VINTAGE Mod; JVM Mod; Marshall Plexi Mod; Marshall YJM Mod; Silver Jubilee. In 1968 Marshall began equipping the 100 watt amplifiers with the Dagnall brand transformers, the JMP 50 amplifiers continued to be eqiupped with the Drake. 72 + AU $138. Alors évidemment, difficile pour le JMP-1 de renier sa "patte" MARSHALL, avec ces médiums si caractéristiques. Such is the case with a Marshall 2203 JMP MKII amplifier that had recently been brought into my shop. Chassis shown for reference only. New FJA Mods Forum. This Marshall was Modded by Mike Fortin and it's called the Cali mod. All in one. I have been offered a 1971 deluxe reverb (all original other than a recent cap job) for my 1978 Marshall JMP 50w 1987. Guitars are a Les Paul for the first part, and a strat with a single coil in the neck and a humbucker in the bridge for the rest. It is a Marshall, so it wouldn't be right if there wasn't some noise! Like all manufacturers (especially Marshall!) they use the cheapest parts and construction they can, so are susceptible to ground loops etc. It seems to make a great difference and the GM2 is behaving I believe as it should. 1981 Marshall JMP 2104 Combo Clean and mean 1981 Marshall JMP 50 watt 2104 2×12 combo. I never got to play a modded one however. - so not sure whats up with that!. I know this might be the wrong forum but here goes. MARSHALL STYLE JMP FACEPLATE. Marshall's flagship is a luxury amp with a comfortable switching, digital reverb, 12 presets for preamp etc. He is the guy that designed amps such as the Vintage Modern, JTM45/100 reissue, Super100 Jimi Hendrix, JMP1W head and combo, 1962. Friedman Mods; Hughes+Kettner Mods. With four EL34 power tubes, a solid-state rectifier section, and a 4x12 cabinet — or two — typically loaded with 25-watt Celestion G12H ceramic speakers, the Plexi is much more. Marshall JMP 1 effects loop mod. These amps have a sound like non other and are some of the most coveted master volume Marshall amps. Increased gain, for anything from rock to metal. I have had a modification done that has in effect (pardon the pun) turned the JMP 1 parallel loop to a serial one. Marshall JMP-1 and 20/20. Marshall put 6550's in amps shipped to USA for a while because of poor quality EL34's not surviving shipping and warranty period. Field Marshal Erwin Rommel, mod. Photograph of the JMP-1. marshall jmp-1 for sale If this is your first visit, be sure to check out the FAQ by clicking the link above. Mesa TriAxis Yeah, it seems that people are so swarming to the Line 6 line (great amps) that they never checked out the Yamaha and thus the prices have dropped. 923 Posts: 10160 Joined: Fri Mar 18, 2011 2:38 am Location: Orange County, CA. 22 or Best Offer +C $411. 1979 Marshall JMP Super Bass 100w #1992. Yeah the Mesa Studio Pre is an amazingly fat preamp. Shop now and receve free shipping on your order today!. Cheers, TB. Marshall vs. Marshall JMP-1 Mod Options Standard Mod™ $795. [read more on Audiofanzine] Steven rated this unit on 2003-12-21.