Marshall 2204 JMP Master Volume Lead [1975-1981]

Marshall 2204 JMP Master Volume Lead [1975-1981]

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2204 JMP Master Volume Lead [1975-1981], Tube Guitar Amp Head from Marshall in the JMP series.

4 user reviews
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Marshall 2204 JMP Master Volume Lead [1975-1981] tech. sheet

  • Manufacturer: Marshall
  • Model: 2204 JMP Master Volume Lead [1975-1981]
  • Series: JMP
  • Category: Tube Guitar Amp Heads
  • Added in our database on: 11/25/2006

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Marshall 2204 JMP Master Volume Lead [1975-1981] user reviews

Average Score:5.0( 5/5 based on 4 reviews )
 4 reviews100 %

iamqman's review"Just pure awesome!!!"

Marshall 2204 JMP Master Volume Lead [1975-1981]
Just before the JCM 800 series amplifiers from Marshall; Marshall decided to compound on the success of the plexi and JMP amplifiers with the 50 W series amplifier. This amplifier used the large script logo you later see on the JCM 800 series amplifiers.

The 2204 model was in production from 1975 until 1981. Marshall got rid of the extra two inputs for the darker channel and use the simple high and low brilliant channel. You also had a master volume control which was new during this time that Marshall was rounding off the JMP amplifier series. You also had a similar EQ section of presence, bass, middle, and treble.


This amp is very easy to dial in. If you have spent anytime with a Marshall amp before than you can easily figure this amp out. You have a presence, bass, middle, and treble,e and well as a gain and master volumes controls Set the gain to your liking and the master to your overall volume level. The eqing will change from speakers to speakers and cabs to cabs as well as using different guitars so let your ears be the judge.


The tone of this is a very classic Marshall sounding tone. Since this is 50 watt. You really only get 3 db less then you did with the hundred watt amplifier. However, you get less of the headroom than the hundred watt amplifier which in turn would give you a quicker overdrive break up any spongier feel in the power section. Many recording artist used to 50 watt model over the hundred watt because you were able to dial in that nice spongy tone with a little bit easier and quicker power to break up.

This amp sounds very good when you modify it to get extremely high gain distortion tones. Many users during 80s would modify these amps to get their recording and touring amplifier needs met. Even today maybe guitar players will take these old original Marshall amps from the 70s and early 80s and get them modified by some of the best Marshall amp modifiers in the business.


Many of these amps can be found for just about $1000 on the used market and in the classified section of some forums. They aren't hard very hard to find as Marshall really saturated the market back in those days with these amplifiers. I highly recommend this amplifier if you're looking for a classic Marshall tone and I would highly recommend this amplifier if you want to get a modern Marshall tone. but it will cost you between $400 and $700 extra to get this amplifier modded by someone who is skilled enough to do that.

moosers's review

Marshall 2204 JMP Master Volume Lead [1975-1981]
Marshall's JMP Master Model 50W MKII Lead is a tube based guitar amplifier head. The studio that I work at owns one of these, and it almost always sees use with the Marshall 4 X 12 cabinet that we have as well. As the name clearly states, this amp head delivers 50 watts of power. It's got two 1/4" speaker outputs in the back and two 1/4" inputs in the front for your instrument.


Using the Marshall JMP Master Model 50W MKII Lead isn't difficult, especially if you feel comfortable with guitar amps in general. The front panel is pretty simple, with parameters for presence, bass, middle, treble, master, and for setting the preamp level. That's pretty much all you need to know in order to operate the Master Model 50W MKII Lead, so there's no need for a manual.


The sound of the Marshall JMP Master Model 50W MKII Lead is pretty much everything you'd hope for in a Marshall amplifier. While the name would lead you to believe that this is only for playing lead guitar parts, it's certainly useful no matter what type of guitar parts you'd be playing. It has an incredibly thick sound that's capable of getting that super heavy distortion that you've heard before on so many different rock records. It's definitely suited best for lead guitar parts and solos were you'd want a singing lead part with body and crunch, but it's simply a great guitar head across the board...


You couldn't possibly go wrong with the Marshall JMP Master Model 50W MKII Lead if you're looking for that huge rock distortion guitar sound. There's enough room to play around that it's a versatile amp, but in general it sticks to what it does well. I don't know what year this amp was made, but it's definitely a vintage amp and has the sort of sound to match. This is truly a killer sounding amp head...

jcdc1967's review (This content has been automatically translated from French)

Marshall 2204 JMP Master Volume Lead [1975-1981]
This head must date from late 70's / 80's and beginners can not be simpler.
> It's all light.
> 50 watt master volume.
> A between Low and High. Speakers with output to 4/8/16 ohms.
> Prsence - Treble - Medium - Bass - Master (Volume) - Preamp (Gain)
So it's not here that the head is the Difference


> Setup a breeze. One branch is played.
> There is indeed a sound. And what's (if that's the style research)
> No manual. But the Marshall site packed with information and FAQs of all kinds.


> I play with a Duesenberg Carl Carlton. Point of view because I have a wah-wah, flanger and overdrive (all three from home boss). These pedals are MRIT offer beautiful sounds without dnaturer sound.
> Between HIGH: 200% what I wanted. THE ACDC with its stunning, natural crunch that is keeping a big clear. Compare a head latest issue (JCM2000) it has far less ability and JCM2000 dlivre more beautiful sound in a much broader palette. BUT LAAAAAAAaaaa big diffrence is the time when it is connected in groups. The JMP through the mix of through and a potato and a dlivre prsence incredible. Difficult to explain.
> Sound: ACDC ... by reducing the gain will be more blooouuusy and removing medium gives a more metalliesque. I have not tried the LOW between :-)


> Buy Used, I play it for several months. I never took much pleasure turn a head amp and a chord in the BPS beginners. I actually take the rsoudre me a box of kleneex guitarist for my friend with me in the group.
> What I like: the sound and the amazing potato head ... especially in group play. And a vintage look adorably.
> I have several heads esssay over time (I play for about fifteen years). It fills me with joy from the sound I wanted to find (TDCA).
> 800 euros in 2nd hand.
> "With the exprience, you do again this election" ... That's all done ... I expect her twin sister that I found on eBay UK. Espron it arrives ... and whether a pice :-)

Guignol84's review (This content has been automatically translated from French)

Marshall 2204 JMP Master Volume Lead [1975-1981]
50W all-tube amp. Mine is 1978, of APRS that I could read on the net, is the ancestor of the legendary JCM 800 and wiring diagrams of prsentent trs broad similarities.
It's basic: four 3-band master volume, pre-amp and prsence. A single channel, no rverb, no effects loop.
Simple, effective, Rock'n'roll!


Reduces the number of small buttons that turn greatly simplifies things, all APRS dpend of Grat uses it, much less my personal hard to find a good sound with my Les Paul that with my TV '.
However beware! It is a viel amp, do not have the versatile atend a brand new Engl example is not the same spirit.
Another small problem of not bte dlivre me his whole volume has a "srieux" (between 1 / 3 and 2 / 3 of the master volume). In this volume, the natural compression fte and invites himself wonderfully sublime sound, a rare sensation!


It is ideally suited my style of music. IDAL is the amp to play rock and roll, old mtal, punk ...
As you can see, it is difficult (if not impossible) to optenir a clear lens type Fender, it's really not for a.
Branch only a guitar and get a sound that goes with a sumptuous hot bluesy crunch sound more rock type ACDC old.
Little info by the way, the sound will be trs diffrent a cab from another. I play this amp on and on G12T75 G12M Greenback and the diffrence is obvious! The G12T75, more powerful than GrennBack, dlivrent a more garish, more aggressive. APRS dpend gots any course (personally, although Aduls right now, I do not like the V30, too violent to top medium).
Personally, I use a TS9 which increases the gain level while the Personal concervant of this wonderful craft and an MXR micro-amp used to give a bit more attack. The whole gives a rsultat TERRIBLE!
I do not use other effects, I think adnaturerait sound.


I use it for 6 months and ending for the more time passes, the more I love it! I also possde combo Engl Thender 50 and the enjoyment is in the JMP del It's not a versatile amp trs but no matter! Prfre I have a clean and beautiful as her 10 ways!
APRS you ... for me it's seen it all!

Marshall 2204 JMP Master Volume Lead [1975-1981] images

  • Marshall 2204 JMP Master Volume Lead [1975-1981]
  • Marshall 2204 JMP Master Volume Lead [1975-1981]
  • Marshall 2204 JMP Master Volume Lead [1975-1981]
  • Marshall 2204 JMP Master Volume Lead [1975-1981]

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