Marshall 4104 JCM800 Master Volume Lead [1981-1989]

Marshall 4104 JCM800 Master Volume Lead [1981-1989]

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4104 JCM800 Master Volume Lead [1981-1989], Tube Combo Guitar Amp from Marshall in the JCM800 series.

6 user reviews

Marshall 4104 JCM800 Master Volume Lead [1981-1989] tech. sheet

  • Manufacturer: Marshall
  • Model: 4104 JCM800 Master Volume Lead [1981-1989]
  • Series: JCM800
  • Category: Tube Combo Guitar Amps
  • Added in our database on: 11/25/2006

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Marshall 4104 JCM800 Master Volume Lead [1981-1989] user reviews

Average Score:5.0( 5/5 based on 6 reviews )
 6 reviews100 %

Everlone's review"A classic Marshall combo."

Marshall 4104 JCM800 Master Volume Lead [1981-1989]
The Marshall JCM 800 4104 is 50 watt, 2x12 combo. It is powered by two EL34 power tubes that drive the two Celestion G12-65 speakers. I have also seen this model with 6550 power tubes and Celestion G12T-75 speakers. The 4104’s controls are Presence, Bass, Middle, Treble, Master Volume and Preamp Volume. There are two input jacks; high and low sensitivity. This is a very no frills amplifier, but what it lacks in features it makes up for in tone.


It is extremely easy to get a good tone from this Marshall combo. One thing that should be noted about the single channel JCM 800’s is that the tone controls are cascading, meaning that turning the Bass knob will affect the Treble, etc.


I use this amp with a Gibson Les Paul Custom. I have used a Boss SD-1 Super Overdrive and a Fulltone Fulldrive II to boost the amp for higher gain tones and achieved excellent results with both pedals. This is a one channel amp and it is designed to sound overdriven, so getting a completely clean tone can be difficult. Using the low sensitivity input and rolling back on the guitar’s volume knob will yield a passable clean tone, but it will not sound like a Fender, nor should it. Like most other tube amps the Marshall 4104 sounds best when the volume is turned up a bit. I usually play with the Master volume around 4 on the dial. This starts to work the power tubes a bit more making the amp sound more dynamic.


This amp is designed to do one thing and it does it extremely well. Some may call it a “one trick pony,” but I personally love what this amp does. It is a classic Marshall sound in a compact combo, but is still loud enough for any rock band or live setting.

-Livingroom-'s review (This content has been automatically translated from French)" One of the best combos rock"

Marshall 4104 JCM800 Master Volume Lead [1981-1989]
50watts tube, it is on the basic marshall: eq 3bandes more presence dosage preamp and master.

two channels, one clear, one satumax.


it is very simple. without trying too it falls on its type AC / DC, but personally I can find the sound of a plexi putting me on the clean channel with the preamp to the max, this is where this amp best accept pedals. I put only 9 because you can not switch from one channel to another without a jack plug.


It suits my style of music (note that this amp is worth it if you plug in the right hp, in my case the Celestion g12-65, those who have "upgraded" to the g12-70 have missed them: )

The clean sound is very nice, crunchy to perfection, the distortion is fat without bee!


I use it for a year, this amp is missing is a reverb (mine has an added effects loop), this is the best combo that is to play rock group, and it is more robust !

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

Marshall 4104 JCM800 Master Volume Lead [1981-1989]
All-tube amp * 2 50w.Pas simple two front panel inputs low and hig her for a clear and deuxime for satur.Les knobs are also very simple
Pramp-volume to more or less saturated lights
-Low, midlle, hig
-And prsence for an attack more aggressively in the mediums


Good gibson, and you ca not care a good slap !!!!!!!


Playing alternative rock, I found the sound.
a Gibson Les Paul studio and make a couple jcm 800 Dtonn. One small snag though it is a must add a rverb (since it is totally dpourvue). For my part I made is one Danelectro cornedbeef (it sounds 60s c ' is trrible). By pushing the knob to lower the fever has a 8 to 4 mdiums prsence a 3-4 and a 7, you get the sound of 90s rock band french (sheriff, oth, pkrk, rats, and many others ...). With a sound tlcaster softphone, Y has even marshall, which provides configuration of rglage on
It's crazy that all possibility
For its clean, with good sound rglage was kind amricain Gun's


OCASI bought seven months ago, 82 amp fly in a nine hp
The problem with this is the weight chard, Putin ca PSE! But, you need to know to do souffrire plaisire.J have had for a long time the fender, I saw anti marshall.Je DPOS in a store and I tried it (just like this) and well the next day I passed an ad to sell my Twin Reverb 70 who had also made good and loyal sercice.

Ahet 600 euros fly in and saw the monster qualitprix the report is incredible.
I will do it again without hsiter choice. I had never jou on the marshall, and found fault fender masterfully indtronable.Et
A five-heity
The twin-a
A twin-reverb

It should be expected on a clean sound, but that's another planet, you're you're m'impression THE KING ON THE WORLD try and understand you.

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

Marshall 4104 JCM800 Master Volume Lead [1981-1989]
50 watts (50 watts lamps true, multiply by 1.8 for the transistor is equivalent to 90watts)
2hp 12 'celestion
Lamps: 3 x 12AX7, 2xEL34
Of transformer standards, a perfect construction, formwork and trs pais solid so that the amp PSE 35kg on the scales!!

2 guitar input: the first is to sound clear, and the 2nd sounds saturated but there is no switching between two channels (to switch from one to the other must Connect! This is not possible even with a AB box.

Rglage: gain, volume, treble, mid, bass, prsence that's all! At least it is not lost in rglages.

NB: Unlike the picture of audiozine, the guitar input 2 are arranged a cot and not the other one above the other (if anyone knows what it is I d 'm interested ...)


Trs simple config so very easy handle. Have a good sound is very simple if not childish.

The trs rglages are not effective but that is because it is passive, then, by turning a button you change the "CHARACTERISTICS" other. It's a bit hot but we understand there is rev quickly, the more it has a more musical sound


The clear sound (um, between the "low") is not the best in the world but is suitable for phases in the clear when we play the stuff that make Bourin / quiet / Bourin / quiet ...
Without pedals between the blade and the throat, between the high, it has a sound that will quiet the sound of blues AC / DC (especially when the amp is pushed)

To get the sound, I tried a variety of pedals before falling on the one that suits me. the problem is that this amp Ragit too much of distortion pedals and overdrive. The mtalzone for example, that I detest on my other amp (Roland Jazz Chorus 50Watts) or even any other transistor amplifier (Marshall Valvestate test and laney 80w 80w) on the JCM monstrous sounds: a sound with that I play both the Pixies, from NOFX, the Black Desir. Each note rings and remains inteligible the sound is clean but rock'n'roll. When I need a more CRAD or even a clear sound continuously, I pass on the roland + DS7 Ibanez.
I put 9 / 10 to find her because I have a ajoindre pedals but once I got a good Found his madness.
Prcison I do not play guitars q'avec teams of micro simple Tlcaster ESP + or Jim Harley ST30 (strato copy, which I do not know by what miracle, sounds trs tr s good!)


Solid, simple, just turned 20 years and did not flinch one bit since I bought it 6 years ago.
I prt lot of friends to record, all fell in love. ("No, I do not sell !!!")
I like its simplicity even if the flange at the versatility in terms of its clear. on the other hand for everything saturation and overdrive is so cool!
I came across the OCCAZ: 2500frs there's no photo: qualitprix exxxxcellent report.
I do not regret this purchase even if right now I'm more attracted to the fender and more nervous TNU

Marshall 4104 JCM800 Master Volume Lead [1981-1989] images

  • Marshall 4104 JCM800 Master Volume Lead [1981-1989]
  • Marshall 4104 JCM800 Master Volume Lead [1981-1989]
  • Marshall 4104 JCM800 Master Volume Lead [1981-1989]
  • Marshall 4104 JCM800 Master Volume Lead [1981-1989]

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