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User Review

BiBi k's review - Marshall 4212 JCM800 Split Channel Reverb [1982-1989]

- 50 Watts all tube amplifier (mine, one in the photo dates from 1989)
- 5 lamps 12AX7/ECC83 in preamp and 2 EL34 power
- 2 Loudspeakers Celestion GT12-75
- An effects loop
- Accutronics Spring Reverb
- A knob "presence" that serves as a play on the brightness and the proximity of its
- A clear channel and a channel footswitch saturated
- Equaliser for each channel, adjustable acute / grave on the clean channel, adjustable High / Mid / bass on channel saturated.
- Gain on each channel
- Master volume

Could not be more simple ...


Simple as a Marshall amp, no need to manual, part one plays ...


This is the same amp as the JCM 800 4210 but with two instead of HP, the sound is more present conscequence and less direct (amp also more cumbersome).

I use it with an American Vintage Stratocaster 62 'reissue and a whole bunch of effects (see my profile). The clean channel is pretty good a reasonable level, however it very quickly crunch the gain amount and level of guitar.
The clean channel is very close to the sound of John Frusciante (guitarist of Red Hot Chilli Peppers), Hendrix to name but two.

Going up the gain and pushing a little volume of the guitar you get a crunch sound beautiful, rich medium, fat with plenty of harmonic ... it's really the strong point of this amp. One approaches the sound of Hendrix-M-

The channel is saturated crunch distortion very discreet punchy. Ideal for the rock from the 60/70/80, Deep Purple, always Hendrix, ACDC, Gun's and Roses etc. ...
I never tried with humbuckers but already there with my strat what to do.
It is a balanced amp for playing almost any style (even some metalheads like it ...) It is of course an amp tends "vintage" rock-oriented rather, he excels in everything sounds crunches and saturated, I love the clean channel with the red hot but most guitarists do not buy marshall to have a clear ...

The equalization is rudimentary and inefficient (I put half a while)
The reverb is very nice and natural, I do not use the effects loop.

This is an amp "plug and play" really minimalist, all done in the game


I use mine for a year, I bought it in germany 700 euros in a near new condition (it is extremely rare) I replaced all the lamps and the lamp holders who had some bad contacts. So for 800 euros I have a legendary amp, like new, which marked a chapter in the history of rock, which is becoming increasingly rare today. Happy owners of 4210/4212 marshall combos, keep, they become collector's ...

I am very satisfied with my purchase, it's really a very nice amp to play, I play funk, blues, rock, and it gives me complete satisfaction for all of these styles. I started on a Marshall AVT50 hybrid, nothing to do. I also have a Peavey Classic 30 that I use mainly for blues and clean sounds. I would say were really two complementary amplifiers.

I would do without hesitation that choice