All user reviews for the Marshall 4102 JCM900 Dual Reverb [1990-1999]

12AX7 and EL34 amp, 2 channels support spars

USE

Simple configuration, a little heavy Nevertheless. ONE obtained her whatever you do! Rverb drinking no more. No need to book ... is connected and outputs the boulles ks.

SONORITS

I bought this amp ocass after having had a Valvestate 40W amp dsirant "all tube" from Marshall saturation mostly) not too expensive. I lai used with stratocumulus and les paul (piphone with micro SD) and a crankset ME10. Music Style: Rock (from phone Mtallica through ledzep, Deepopol and AC / DC) variety and opportunity.
The rglages? very simple since almost innficasse !!! For what is clear sound ... it is a HORROR !!! : Law and dry without heat !. For saturasion by found against the grain of AC / DC with frying more and less heat. I do not remember the hours tweaking this amp to give it a clean sound: The rglages no end with my crankset, test diffrends HP but without much success, the only thing that improve the sound will have to add a 4X12 BAFLE, but ... O is intRet the COMBO this time l Not really I do not regret having heavy after a year! Later I bought a JTM60 me reconcilli with Marshall.

NOTICE GLOBAL

I regret bitterly for having bought this lssiveuse!

The char 't have prcedemment quotes, one is on the tt lamp mga simple, not c the road king !!!
a face outlet, you see ...
100 watts, effect send and return + line out, well we will say c rather banal, but it is, it seems kon can earn a gain and level by connecting the loop in effect ... no test yet I find k'il should not dconner 100 watt lamps tt sending ENOUGH

USE

Well l must not think that has live sounds nikel because c tt simple, and not bin should not do nimporte true ke koi becaufe c eq is not readily grable see dcevante as it is not very powerful. Let me explain, the bass is not to go, only the medium will allow to pass a bluesy stuff, a common rock, without extreme ...
the saturated gain is quickly made its max, and leaves quite a few possibilities ... however clear achieves dgeus Crunches not my taste, c its probably the best use. No need to look for a true clean..humhum..c not very bright, c amp british koi, a machine made for rock !!! not a trick to play pat metheny (ke I love the way, and if there is a play of marshalls dfoi !! haha). otherwise rverbs are pretty easy to use

I would say that c also nice to play music without arretter tt time to turn his knobs ...

SONORITS

Clear: um ... rather straight, not very cheerful, but not crystal clear warm c c rather tide, AC not cooling the back but no eyes ptillent bohneur mesa is better in clear and my pr en the twin fender, it is better to push the gain and play crunchy, it is gaining heat, scale, and then c true that eventually adapt his game a bit this kind of config ... but in general c was not so bad
Distorchion: Well, right channel, nice sound, I find it a grain kan not even pourrave, do not exaggerate, we speak of a tube amp marshall, (probably one of the worse ..?) not a peavey bandit ......, koi are done, you'll tjs almost the same sound you got bo cut mdium, y tjs has mass, no bass treble not tjs very comfortable, but is a grain c undeniable and those ki is very low st prcedemment down a bit the cow must be a purist habitus luxury amps
Lots of things to experiment from an amp like that, the guitar has lctrique first begins with the heart, the energy, feelings are worse fingers, guitar and these satan HP ki ns rendentr hammer !!!

NOTICE GLOBAL

Jel'aime me my amps, he follows me for 6 years, lamps st the same since (and not well ac ...), so I tjs dfendrais. C really nice amp, not tt do but watch them same men want to do music heads, normal ki conoivent amps for dstines tasks: v rock, exprimental , blue / jazz, not super nervous but it not a ki amp sleeps in his corner someillant while you play.
If you find an inexpensive (2500 fr balls) may do otherwise buy JCM2000, c better hahaha

100W tube combo (mine has 3 x 12AX7 and 4 x EL34, but there are also versions with 6L6), switchable to 50W.
One input, one non-switchable effects loop with adjustable level, 2 speaker outputs (8 and 4/16 ohms), one direct line output and one with amp simulation (I haven't tested it) and that's it.
On the front panel, a clean gain, a drive gain, an EQ (bass/mi/treble/presence), volume and reverb level per channel and that's it (which is more than enough).
As for the speakers:, 2 Celestion G12T75 (a very questionable choice by Marshall).

UTILIZATION

It couldn't be easier to dial it in, given that the EQ (as is often the case with Marshall) is useless (I'll come to this later).
The clean sound can crunch gently and be even a little biting, but that's certainly not its main utility. Likewise, the gain level of the drive channel is easy to gauge but it will never tickle a Recto or any other Hi-Gain amp... Contrary to what its name might suggest, this amp is intended for big rock, stoner, punk, but not to extreme metal, not without external "help." that is!

SOUNDS

In terms of sounds, you could be disappointed by two things: A pretty tight clean sound and a drive channel that doesn't have too much gain (a typical Marshall characteristic), despite yielding a really nice color with the gain between 1/4 and 3/4.
But you do need to consider THE main defect of this amp, namely a completely useless EQ. Moving the controls won't affect sound in the slightest, but not moving them at all will make them rust and produce crackles...
However, inserting a (good) EQ pedal in the effects loop will change your life, I really mean it. Clean sounds can take a different dimension, reducing a bit (or more) 800hZ and increasing 3.2 and 6.3kHz. Personally, I have found more than one funky sound with this combo. It's obviously not a Twin, but it's pretty acceptable.
Anyway, don't hesitate to use good drive pedals. A TS-9 on top is an excellent choice, both for the clean channel and to boost the distortion channel.

OVERALL OPINION

I've had it for a VERY long time (more than ten years) and I have even had the amp head version (4100). I just had it retubed and checked. The technician told me it was originally biased too cold, which could explain the sound stiffness and a lack of gain. Don't hesitate to ask your guitar tech about it!

Today it has gotten back on its feet and it's a real joy, despite its size and weight. Its useless EQ still bothers me, but the amp works fine with pedals, and its ultra low character could make it an excellent choice if you are looking for a typical big rock, punchy and reliable amp!

It's an all-tube Marshall (3 X 12AX7 for the preamp and 4 EL34 for the power stage) that delivers 100 watts (switchable to 50 watts).
It has 2 channels, with volume, gain and reverb control each. The EQ is common to both channels (Low, medium, treble, presence).
As usual with Marshall, simplicity is the name, it goes straight to the point and, then again, why complicate things when it sounds good just like that?

UTILIZATION

Ultra-easy to use. No need for a manual, even if the latter is well done.
As I said earlier, Marshall has always played the simplicity card, and it's easy to get a good sound, be it clean or distorted.

SOUNDS

It's basically an amp designed for rock and hard rock. But on channel A, you get a quite appropriate clean sound and the reverb is not bad at all and pretty natural. Fiddling with the gain, you can get a slight crunch and, provided you have pickups worthy of it, you'll get a first glimpse of what this Marshall can do.
Channel B is for distorted sounds. This is not an amp to play METAL, because it has a typical rock sound, but its aggressive side gives you access to a wide range of more vigorous categories.
Personally, I try to avoid effects and I get a good distortion level. But I start from the principle that the guitar has good pickups, with a good output level.
I don't want to enrage JCM 800 fans, which are excellent. The JCM 900 doesn't have that striking touch of the JCM 800, but it has inherited a very respectable sound, with a lot of versatility, thanks to its two channels.. The JCM 800 has a single channel and even if you know how to handle the volume control, it's hard to toggle between clean and distortion.
What's more, you can play at very low volumes with this JCM 900 and still get a nice distortion.
Do note that you shouldn't neglect the quality of the tubes. But that applies to all amps. As far as I'm concerned, I wasn't looking to make a mixture of tubes. I just wanted good quality tubes.
I can assure you this amp sounds very good. And I won't make any comparisons to other amps (Mesa, Fender or Rivera). Each has its own personality.
You can also change to 50 watts by means of a switch. But I don't think that changes much. It can be easily used at low volumes in almost any case.

OVERALL OPINION

I've used it for quite some years and it's the second one I have (the first one I had was a 4101, with only one speaker).
I currently have a Fender TWIN AMP and a Peavey ULTRA PLUS, two amps I love and with very different styles.
I've also had several Marshalls (TSL602 and TSL122), an ENGL head and a Vox AC30.
With hindsight, the JCM 900 4102 has its own personality. Because for me, there's no real Marshall, or a Marshall with a better SOUND than another Marshall. There are dozens of models and each has its own SOUND.
The JCM 900 is, at its core, a typical Marshall, I can assert that without hesitation.

Fans of pedalboards and other effects pedals won't be disappointed either, because the tone is excellent.

I gave it 10/10 overall. Even while being pretty demanding at all levels, I like its ease of use and the fact that it reproduces the sound of the instrument.
By the way, it is in its original state and I don't plan to change anything (speakers, electronics, etc.).

I would definitely buy it again without hesitation because it's an excellent amp for live use and its price is pretty reasonable.

Tube amp with 4 EL34 power tubes and 3 ecc83 for the preamp stage, 100w 2 Celestion speakers. I've used it for 20 years every weekend for about 5/6 hours and it has always sounded impeccable.
I changed the tubes once, I equipped it with a IBANEZ EU400 rack
The sound of channel 1 (clean) is always very, very good.

UTILIZATION

It's easy to dial in, so there's no need for a manual. As for the distortion, it's a Marshall.

SOUNDS

I use it mainly for clean sounds, not too pristine.
I play an ARIA PRO TA75 guitar.
The 100w of power are more than enough, if you set it to 5 or 6, it kicks ass.
It's 20 years old and still works fine.

OVERALL OPINION

I won't sell it, that's for sure.
Its only defect is the weight!

Lights at all even if equipped with op-amp.
100W switchable in 50Watt.
Two spring reverb has (finally a box and two independent settings). It is top when all the amp coming out on the walk does not even have a reverb.
For the rest classic 2 Vol, 2 Gain and Bass; Midel, and treble ..

UTILIZATION

Super simple manual in English and retrievable on the internet and all the diagrams of electronics making it a simple amp to modify or repair.
The clean sound very good with a lil reverb is not bad at all. As you go up a little crunchy sound happens it's too good with my SG I enjoy but the top is channel 2 and the welcome in the small world of Angus in shorts.
Well, it is not everything but I find it versatile enough for me on the rock / blues / jazz even / varietoch ... I do not metal but with a good big pedal it should.

SOUNDS

So there ... see above.

I find it well, ft for the purist 'all tube' I hope they do not use effects because they rely transistors and op-amp.

It has a fairly wide range of sounds. I was particularly surprised by the clean sounds well defined.

I use it with a 1922 (decrying too) but the combination of both great and I resumed the grave and I have enough volume to scenes without sound.

OVERALL OPINION

Repeat with the right combo and with the little sister in 1922.

Ca is good but not long after the festival of music in me it took three concerts will result in the mouth and they would discuss the reliability of the product

Purchased from Mothers Music,Edmonton Alberta,Canada.Bought this unit brand new ,It had been sitting around the store a few years.I stole it for $1325 Canadian (not a scratch on it-like it just came out of the box)Included footswitch.I needed a good solid tube amp for blues,rock,jazz and beyond.

A sweet sounding monster that i can play anywhere.Hendrix-sweet music,sweet music.This amp does it all.I can get all the the sounds out this baby from crystall clear to raunch -just add a wah and away you go again.I've heard all the arguements about amps four to five times the price,I've played about half of them and my conclusion is that this is a Grand Dame Amp of the music world.Classy looks,versatile and responsive controls,Pentiode and Triode swicthability,natural sounding Celestions(G12-75's)that don't color the sound (guitar amp version of the Bowers and Wilkins audio speakers).This amp plays exceptionally well at all volume levels although at the higher end it will your brains out.


This amp is a gift from Greek gods for any muscian.

Powered by four 6L6 Sovtek's-this is switchable.100watts of brute force if you want.Warm ECC83 preamp section and not a microphonic whisper coming from any of them.Build as good if not superior to the Bruno boutique amp line at about a third of the price.Quality is top notch with all the little nuances you expect from Jim Marshall-elephant skin tolex-big Marshall name plate-brushed brass faceplate and backplate-corner protectors and on and on......

I am so glad I came across this jem.I'd been looking for a Marshall for about one and a half years.I don't care what the whiners have to say this is one the great all time amps -PERIOD!!

This review was originally published on http://www.musicgearreview.com

I have some ready in time. 2 channels reverb 2 1 2 2 volumes equalizer master volume. A loop, a power pedals, and a switch to lower the power by half. What a joke, it's always too much!

4 lamps 34, a driver ECC83 and two ECC83 preamp lamps. Rectification diodes as always.
2 celestion g12t75 16ohms, compact amp not too too heavy thanks to the handles big size

Construction: The frame is enclosed on the sides, the metal is very thick, there are two printboards in, the bases of the lamps are soldered directly on the PCB but screwed to the chassis and connected by cables to print. It's a good job, pro. I consider any connected with the bases of lamps on the print as junk and a beautiful scam.
It is a good amp, madame!

The copy test is also old, and nickel works.

UTILIZATION

It's childish, the two reverbs are for sth, you can have lots of reverb in the clear and very little in Graoua. As long as they were able to z'auraient a loop for each channel to be top.

I was surprised by the drive channel for once a bass. The clean channel is missing, but if pushed from 2hrs is more dirty and bassy.

In practice I put some treble, midrange and bass adonf 10hrs'

Very little background noise when the guitar is good. Distortion in a fender thoroughly with the public will shoot you as boss' ...

Really easy to manage as amp, you know where you are and where we go.

SOUNDS

Ben, is thin but clean contrary to popular belief exploitable with a fender jazz guitar, less trafficked in the frequencies.

I use a les paul passive, one active, one Barden telecaster style, an ibanez satch style.

The super clean channel responds to simple side handle, double or split, the low level of the guitar can push the gain and have a lively sound and shimmering.

The other channel given the relative low level of distortion is better off with doubles, and more with the assets (60a emg on my les paul tribute 60s) in that a layer is added to the crunchy distortion, it's strange but super nice. Zakk's what its there.

I can imagine that passive pickups through a boost pedal gives a similar result.

The game adonf distortion sounds good in separate agreements with lots of delicious harmonic overlapping, it is addictive but is a scratch that takes the agreement.

Only disaster on the board, I plugged in my amp and ibanez RG7 collapses completely, it's a little too serious for him there ...

OVERALL OPINION

I will not play a lot with a lot, I have on loan and it's not what I want in fact. But I think I appreciate the true value for its its not doctored and frankly, it's great to know where you are with an electric setup.

Every guitar sounds different, even those that are quite similar (les paul studio worn 60s tribute and such) in the construction, marshall is therefore transparent.

There's something with the old marshall is that by scratching a very aggressive and very aggressive hp ben the result is pretty sweet. Bizarre, alchemy ...

Of course I not put the notes Max, I keep in mind the price charged by the manufacturer for this product, really cheap but time has proved its worth.

All Tube Amp and 3xECC83 4x12AX7 to 100 watts of power.
2 channels clean and lead with separate controls for volume and gain but reverb and EQUAL common, which is very annoying.
At the rear output 2 hp reducer power 50w and adjustable effects loop.
Classqiue short but really bad point for the equalization policy.
The footswitch is reduced to the minimum channel and reverb

UTILIZATION

Frankly, no need to turn time for a sound, we choose the channel, EQ, you push the gain and go. From this point of view, the use is simple

SOUNDS

While there is no doubt the big disappointment. The clean channel is quite nice looking por a clear round and warm, but it's still good the Marshall sound is so soft and does not shine. However the lead channel is a fiasco: While playing for the crunchy AC / DC Bryan Adams and so on, it is ideal but if not, it's not worth considering to play the metal and even with ordinary hard. Even fitted with groove tubes, the amp does not issue large saturation, and especially the EQ, in addition to being common to both channels, is very inefficient and turn the knobs has virtually no influence. Yellow also spring reverb too fragile loose as soon as we carry the amp for a gig or rept '. The best way to play is hard to play clean channel with a distal loop, but then you lose the lights!!
Last thing: but where are the 100 watts, this amp has no fishing!?! Blame the preamp that does not have enough output level. Used in power amp via the loop, with 530 in Engl preamp, it has more noise.

OVERALL OPINION

I bought this amp on Ebay in August 2002 because it would be a misery, with € 450 Powerbrake. I kept only six months because it did not please me at all. The preamp is downright soft knee with many defects (equal joint reverb fragile, its lead not powerful at all, low output level) and finally with only a clear Hon. Power section remains, honest when you plug a preamp other in the "return" of the loop, but my power tubes (groove tubes yet) slammed 2 times in six months, so as disappointment on this side. If it again, I do not redeem it, even for € 150.
In conclusion no surprise that this amp does not have a big side saw its defects. It should, however, looking for a typical lamp's rock (not metal or hard) and is not afraid to break the back with (the beast and his two hp weigh close to 35kg).

Lamps w 100 amp 3 x 12AX7 (pramp) 4 x EL34 (power)
2 speakers 12 "Celestion G12T-75
2 channels Clean / Lead
3-band EQ paramtrique indolent common to the two channels, Presence, Reverb.
An output to drive a speaker supplmentaire 4 / 8 Ohms
A footswitch (not supplied) to change the channel and enable / disable the Reverb (rgler need small doses, otherwise it "makes bubbles "...).
EQ common to a 2 channel dj is terrible. But in addition, it is totally ineffective ...

The weight is quite disabling, require 2 HP, but there are two very practical grips on the cts bte, it's easier to transport than bte lani re on top.

In short, 4 points for the grips, that's all ... Rotten EQ, reverb mean ...

UTILIZATION

Trs easy to use, basic limit trs. A clean channel, crunch channel (say that these babies have bones call this the High Gain SERIES ...)

Not too galre carry thanks to grips on cts.

4 points for the grips.

SOUNDS

Its pretty clear a Triqui dampleur really miss.

Its saturated typ Marshall PERIOD lean ... you really push the volume for a sound ... and more ...
So not so good if you have neighbors ... There's rpt that we can lcher ... Cest and not even a good Marshall ...

So sound gross Marshall as Clean Lead without pushing the volume, it's really b'en blah blah blah.

4 points for the grips ... But if it should affect the sound nan?

OVERALL OPINION

I have since 1991 been And I lay close to 10 years (using only the power section). I did change all the lamps, jai test of a 12AX7 diffrent flops, adding a baffle. Do anything. The pramp is dcevant, and its a euphmisme. LTAG and power is lazy, its 100 watts push sacrment quune least 90 watts Mesa. And colors (well, he castrates) the sound: basically, he eats and vomits on the serious mdiums in the crowd.

Yeah, what about this amp jaime, cest grips the grips for 4 points ...

Mouaif, APRS is that I am allergic s'tonne Marshall ...

Amp 100W lamps
2 * HP 12 "celestion
an effects loop
2 channels clean and lead each with gain and master rverbe.
4-band EQ common to both channels
Two beautiful grips it's true!
6 because of the EQ community.

UTILIZATION

No problem: you plug t'allumes you play
rglages simple or too simple (the shared EQ)
weighed against the beast by its weight

SOUNDS

I know, I'm going to get flamed by others who have given an opinion on this amp ... But I like the sound.
The sound is quite clear round and warm, nice for jazz / blues.
By pushing a little gain a clean crunch sympathetically.
Saturated sound is good (for me). Fat.
a change of the grain mesa that any hard, fun to play hard, rock, or punk. A little metal limits (the eq does have its really a 'scoop').
But as far as I made it rings of tonnre!

OVERALL OPINION

I've had two weeks.
100W lamps for a 400 I think it's a good quality price.
This is an amp that has a sound, he must ask him to sound like a mesa is not meant to!
But not mean it sounds bad.
A good amp if you like the sound. APRS if you are allergic, so be it!

Amp 12AX7 and EL34, 2 channels spars

UTILIZATION

Simple configuration, a bit heavy nanmoins. We get to make a sound though! Rverb drinking no more. No need for manual ... you plug in and out the boulle ks.

SOUNDS

I bought this amp to have had an APRS Ocassion Valvestate 40W, DSIR amp "all tube" Marshall home for their saturation mostly) not too expensive. I used to lay a stratovolcano and a les paul (piphone with micro SD) and a pdalier ME10. Style of music: Rock (from softphone Mtallica through ledzep, Deepopol and AC / DC) and variation on the occasion.
The rglages? trs simple since almost innficasse! , In terms of its clear ... it is a HORROR! : Law and dry, no heat!. For saturasion found against by the grain of AC / DC and more with the cooking and less heat. I can not remember the hours tweaking this amp to give it his drinking: The rglages endlessly with my pdalier, test diffrends HP but without much success, the only thing that amliorer sound does have an add Bafle 4X12, but ... Intrets of O is now the COMBO No really I do not regret to have heavy after a year! Eventually I bought a JTM60 with me reconcilli Marshall.

OVERALL OPINION

I regret to have to amrement lssiveuse bought this!

The power of this amp is more than enough for even full concerts mistral without sound (already tested.
If you plan to play anyway Zenith of the amp is transplanted on the sound system ....
The conections are pure ass most of the "amplifier (few, but not need more).
on the other hand about the settings are offered little opportunity so it will sound Marshall!.

UTILIZATION

The configuration is fairly simple (low / medium / high)
The clean sounds are good (a bit of reverb) and if you are looking for a blues or unn Rock / ACDC this amp is IDAL.

SOUNDS

I have two game types: rock oldschol (ACDC / Led Zeppelin / Deep Purple .....), the top for this style, and the second east Hardcore / metal therefore more difficult to obtain but by connecting a preamp (type SansAmp) conection on cutting the original preamp ca breath away.
I play an ESP of origin and a Jackson (EMG), a volume pedal and a Sansamp, an extension speaker cabinet with HP 1922 Vintage 30, the other guitarist plays on Mesa / Dual Rectifier too expensive for my taste by against the merger between the two configurations breath away.

OVERALL OPINION

Begin to make concerts in 1998, buying a powerful amplifier orient my Coix on this amp.
My favorite is his symplicit SETTINGS, its robustness, its LE Marshall.
Cot negative can be a separate setting clear donations / saturation would be ideal.
One could compare this amp was a Mesa and say it not sound like Korn or otherwise, with some good set-up you get there (cutting the preamp) without breaking the bank (jpreferes invest in an apartment rather than a one amp separated after the group split .... thinking).
Excellent quality price given the benefit of an amplifier 100w all-tube Marshall with the claw!!

Without hesitation I would make the same choice!!

All-100w lamps, a very simple facade: a 3-band eq and presence of a knob
-2 Channels:
Clean with a gain, and a master reverb
Lead with the same thing, a gain, and a master reverb
So two spares for this reverb amp (its strong point)
-An effects loop, direct output (output pramp), 2 HP

UTILIZATION

The sound is a little time, I play metal and this amp makes it good! (Slayer does not play does not JCM900 on the way).
It is advisable to use it as a head, not combo, the sound is too limited to 2x12 ". But still has an advantage of being able to play it by repeating 'without having to lug around a body with 4x12" ...

SOUNDS

Unlike what they say, the clear sound is more than adequate, just push a little master (having a history of what the lights!). A warm and round the Marshall.
Lead gives a saturation that goes from a slight crunch distortion aggressive, but to get a really extreme sounds, you really heat lamps: volume 5 / 6 of the master and gain max. This gives a very aggressive distortion but lacks a lot of bass if you stay on the combo.
I put 10 for the clear sound for lead and 6. ... So an average of 8 / 10

OVERALL OPINION

For an all-tube amp, the price is unbeatable. I use it for over 3 years and its strong points are its typical Marshall (hot hot hot!) And its dual reverb (one per channel).
With experience, I highly recommend him stick a 4x12 "in the behind! and play combo e Repeat '(2x12" by repeating "it's more than enough!).
This is an amp that takes off the eardrums if pushed enough but lacks bass combo.

The 4102 is a combo amp lamps. Its power is given to 100 watts, but I had a Vox AC 30 (33 watts) that sounded as loud. There are relatively few settings and it is regrettable that the qualiseur is common to both channels (a reverb plutt indpendante). It has a choisr pedals to the channel and activate the rverb. There is an output of selector with hp supplmentaires impdance. The weight is consquent (2 x 12) but the grips are comfortable and well latrales useful.

UTILIZATION

To get sound, it's simple, since there is little rglages. Of a good sound ... Lourdes is the passage that board. When the amp is warm, the tle derrire potentiomtres the gondola and ESG handling of them. Moreover, it appears that rverbe is a bit fragile, mine acd.

SOUNDS

The qualiseur is almost ineffective. The sound is clear cry commonplace. There is no deep throbbing bass or treble singing. Waterloo, dull plain ... I used the keyboard amp Laney an era and an old lamp Garen, who killed the Marshall no problem in terms of clean sound. Gain as the name does not indicate (high gain) remains flush with pquerettes. Pluissance enough to finish the deaf, but the hundred watts ads are hidden. In fact, to have good sound (no more), you really play hard trs (and distortion) to properly heat lamps. But overall, the sound is trsdcevant. The only possible use, as noted by another user, is to connect a prampli (a pod?) For one's drinking. The neutrality of the JCM is then a property: it serves as a power amp. The problem of this amp is résumé in three points: knobs ineffective, no bass and no gain. That's a lot for a single right?

OVERALL OPINION

I used the Marchall 4102 for six years (that long ...) Since I'm dfait. Instead, for the same price, I bought a guitar amp. Acqurir before, I had almost nothing tried other, which is why I bought it. We all make mistakes of youth ... The price does not seem excessive for a one hundred watt bulbs, but given the benefits ... The advice I give is a potential buyer walk away and run fast. There is no better elsewhere and more expensive.

Amp has 100w lamp (room 200 to 300 people without sound) is already
-2 Channels clean and distortion (switchable)
Loop effect send return (trs important)
-Possibility of the couple an extension marshall 1936-1922
-Independent reverberation and distortion to clean (the c is really good think)
Trs-duty for me it is almost indestructible because I see him doing all couleurs.j have the chance that it does not peter my geule the expr.
Vintage amp

UTILIZATION

Amp plug and play and you plug the gualisation because we play is very simple, we get a warm quickly WHETHER IN CLEAN IN THAT DISTO.

Many of the guitar amp dtest
Why? the rponse is simple ...
This amp has arrived around the 90's, we can say that it remains in the shadow of his great ERRF the JCM800 (the must amps) outside the contrary prdcesseur

the jcm 900 has more than the jcm 800 2203

- An effect loop (through a single boss in GE7 can bring out a solo for everyone in the room to hear the (THERE IS nothing more annoying than to hear a solo person) unless you have a good sound engineer who can increase the volume of your JCM800 when solo.
- Then impossible to switch to clean with a JCM800 distortion you need 2 amps parrella a distortion in the other clean
I've never seen a marshall compaptible also with effects pedals (chorus, flanger, ..)
3 for me here BMOL the jcm 800 I have left in the craw even if I like it a lot.

SOUNDS

THE CLEAN: j I t trs surprised when I heard the clean effect of this amp is a marshall c and everyone knows that a clean marshall c is not the top, and here c is square the reverse.
Hot-
Lgrement-crunchy and sweet faith (it is felt that c is a good old marshall)
It clean this amp is easily detectable in the studio or on stage (c is not just a clean that goes unnoticed in the music) it hangs the ears and quickly becomes a must

THE DISTO: Can not be a distortion of such covers all styles of hard rock (Velvet Revolver, the white snake ,...) gnral rock (Led Zepp, ACDC, .. .) and Strange to the blues (hendrix to make it really stunning and I know what I mean that I have been testing a plexi). You can do anything with this distortion.

Disto-intoxicating even low volume (the marshall has recognized a 10km radius)
more you push, the better.
To make a solo-c is 7 th Heaven C is the sound incoutournable

I would stick to a good 10 derrire

OVERALL OPINION

Ben veiled j uses this amp for the past 2 years the ratio quality price is standard.
I recommend this amp to any fan of ROCK N ROLL.

if I should redo the choice c is not hsitation I buy the JCM900. (c 500euro for 100w lamp is really affordable)

What is my most most about this amp is that it c an he has his own, that n is not copied by modlisation amps. It is unique we like it or not.

J'abrève, much has already were saying ....
Amp complete without adding too much, just enough, no effect but now have built a multi-effects pedals or all ....
The combo is + for the 2 HP ...

UTILIZATION

The sound is very powerful, even too much for those who want to play at home or in a small room.
The settings are good but not super accurate do not hesitate to turn the knobs to find the desired sound!

SOUNDS

I put that opinion to challenge what I've read before.
With a good multi-effects, one finds what one seeks, above all the power and the lamps.
I think this amp is designed to sound crunchy blues rock style 70 for the metal and the aggressive style you need to boost it all with good pedal like Boss OD1 or ToneLab ....
CAUTION: 2 HP G12T75 are, why put us marshall stuff crap??
HP is really basic, very mediocre or bad opinion of my fellow guitarists ...
the 2nd default should not be overlooked: the receiver is open at the back, just across a small plate!
I changed it all myself and I assure you that the sound of departure to now really has nothing to do, go to bed with your VOX AC 30 and mesa boogie they are worth a fortune! !!!!!!!!!!
Please note that I will write:
Turn the 2 G12t75, strictly speaking, made with a 2X12 cabinet, like that no loss or regret, and easy to do with good wood!
Include two or marshall vintage 30 goldblack, a must for this amp, I swear! (Be careful to respect the impedance!)
Close behind at the Hp 2 to avoid the sound emerges from the back and have more serious, the major problem of the JCM is the lack of bass and warmth.
The difference in sound is spectacular, I should work at research department at Marshall, what fuckers!!
Just small changes, 2 vintage 30 and a wooden plate (set of solid, not the chipboard!) And presto, I have an amp that smashes everything, for about 150 euros opportunities for HP ...

OVERALL OPINION

Amp very powerful, is largely a big stage without being transplanted (well I have not in and groovetube sovtec)
With a change in HP which is mandatory if you do not want to put a kick in the amp after two rehearsals, the sound is really rock and roll, and if you have a good SG or les paul of the seventies, c 'happiness is guaranteed!
Do not buy more expensive amp, it is useless to me that you are rich!!

2X 100W tube amp hp 12 'both channels one equalization.
Conventional settings, reverb.

UTILIZATION

Amp easy to use test ... on stage is something else!
- Gets it easy to sound good?
I've never had as bad with this amp sound. clear sound fair / horrible distortion or distortion fair / clear awful.
the manual? the pots are ineffective at 80 p100.

SOUNDS

Amp to play rock.
I used it with Tele, Start, SG, LP, without special effects.
For sound, I prefer to say anything ...

OVERALL OPINION

I bought this at its output 4102, a few years ago!
HP dropped me a full concert in Montpellier Rocksore shortly after!
Tired of crappy sound I was driving this thing with a Peavey preamp was already ... It's the best amp that I like least of all those I've played ... and I ' got in a lot, good and less good (Novanex, Standel, Garren, Sunn, E, KMD, Peavey, Roland, Fender, Acoustic, Boogie, Marshall ...)
I ended up exchanging against a JCM 900 50W 1X12 (much better) and then against a JCM 800 (even better).
This amp almost disgust me the Marshalls!
I came across perhaps a bad model, who knows ...

Tube amp.
2 x 100w tec ... all is said and peer underneath!
A single guitar input on the front, but a multitude back.
All it takes nothing less.
Reverb on each channel.

UTILIZATION

Config ultra simple.
The EQ is practically nil, but still allows to approach the desired sound.
It will still play with a nessaire upstream equalization.
Downloadable on the site, but honestly ... not very useful.
This amp is switchable in 2 * 50 watts.

SOUNDS

Strangely clear channel for a clear and incisive Marshall, I find it very successful!

Distortion channel: Amp cut for AC / DC, Guns and others can freely develop in the blues / crunch.
Rhythm or solo, you can go, even at low volume
The sound of the lights is really something else!
Not for the metal!

OVERALL OPINION

Used for 1 month is a great value amp:
Yes, I bought 50 Euros, (yes 50 no shell!) In a cosmetic condition almost new, but apart from this parameter, I try to remain objective in my opinion ...
This amp is usually around 450 Euros in OCCAZ, and for that price, I think there are ways to beat.

The biggest problem: Marshall knobs that crack, but it is very simple and inexpensive to change, so, forgiven!
I agree with the guys from under that HP is poor, but for my part I do not play at low volume.

In short, if you see this amp to 300 Euros or less, go for it because it's tough.

All lamp 50 watts or 100 watts thanks to the switch
-Loop effects
-2 Channels, 2 reverbs

UTILIZATION

trs simple configuration but we must push for a sound and sends 100 watts all-tube ....
trs legalization effective ... (it's an amp for blues, rock, rock and big ).... the neometal who cares ...

SOUNDS

His thundering clean and excellent
Overdrive nice if the volume grows well
Reverb .... no more ...
It sounds good with pedals trs overdrive / distortion
A J & H for myself with microphones Telecasters single or double ...
Let's rock!
With the cabinet in 1922 the sound of a closed cabinet shuffled form a nice combo with the sound of the open ...
The HP are good .... the neometal who cares ...

OVERALL OPINION

Amp manufactured more .... I do not resell.
I Retube with GT and I do not regret it ...

said

UTILIZATION

This gives a sound immediately.

SOUNDS

This is an amp with overdrive worthy of 70's rock; If someone criticizes when he plays metal is that it has understood nothing.
The sound is vintage and unlike the JCM 2000, he left. I play for the compounds based on hard-Rock'n'roll 70's and also to Elvis and Eddie Cochrane. The clear sound with a delay style 80's that makes him serious.
I put the Mediums to 1 / 4 because I want to keep her very Marshall, and treble and bass at 2 o'clock. The presence of the nearly full and my microphone guitar quite low compared to the strings (I'm not talking about the guitar mic volume is at its bottom)

I have a great sound but everyone loves hers and my sound surely displease others.
At low volume it gives it when the children are asleep and I want to play at 1 am without waking anyone.
A background ,....... it will tjrs!

In short, I love, love.

As soon as I open the sub sub popoche I buy the Marshall Plexi SLP 1959 but I will keep the JCM900 on hand anyway.

OVERALL OPINION

I recently got my marks already hey, hey!

Only downside: no EQ 2 channels of independent

(Originally written by BigB/translated from Audiofanzine FR)
100-watt tube amp (four EL34 in the first series, four 5881 starting from 1993). Switchable 50-watt operation (pentode /triode), two channels (normal and lead) and two Celestion 12" G12T75 speakers.

Two inputs (hi and low), FX loop, direct outs with and without speaker simulation (for recording), two 4/8/16 ohm switchable speaker outputs, footswicth connector (for channel selection and reverb on/off).

Settings: independent gain, master, reverb in each channel, shared EQ (low, mid, high, presence).

Well equipped amp (for a Marshall) considering when it came out, although only one EQ section for both channels is a pity. It's ok for me but it limits the sound possibilities.

An overall master control would have been nice to avoid having to deal with the volume of two channels once you found the right balance.

UTILIZATION

Settings couldn't be easier (especially considering that the EQ section is not very effective). There are only two things that must be understood:

1/ Play with enough volume (min. 4 but preferably 5 or 6). Disadvantage: with such settings even a loud drummer won't be able to hear his drums (it's a 100-watt tube amp with two high-efficiency speakers!). Even the 50 watt operation is jaw-dropping! Based on this I would now buy its small brother (4502 = 50/25 watts), which is more than enough.

The following comments are valid if you set a good volume and wait until the tubes have warmed up!

2/ Regarding the EQ section, I boost the mids and presence and adjust the highs and lows depending on the guitar.

SOUNDS

The normal channel produces a very good clean sound (which is surprising because it's not Marshall's specialty): round, warm and accurate. With higher gain settings you get a typical Marshall crunch, although it sounds a bit harder and with less lows than on older amps (it probably has to do with the open speaker cabinet).

Lead channel... You either like it or not! The sound character is the same as with the normal channel but overdriven. An internal overdrive circuitry (like the Tube Screamer TS9) increases the saturation. I personally like this sound, but it's not the typical vintage Marshall sound (the JCM900 was clearly conceived as a modern amp) nor the modern heavy metal sound. With high gain settings the sound becomes fuzzy and the precision decreases. If you set the gain below the halfway mark you get a nice distortion sound and don't need to buy a Tube Screamer.

It applies the same as for the normal channel: the sound is a bit harder and with less lows than on old Marshall amps. In both cases the problem comes from the speaker response and the open speaker cabinet. If you connect the amp to a 4 x 12" cabinet with Greenback speakers you can almost get the sound of old Marshall amps. If you can't do this, a good EQ in the FX loop will help you change the frequency response.

The reverb effect has only an average quality: Fender Twin fans shouldn't expect a thing! But it provides sound a natural deepness.

So it's neither a typical vintage Marshall nor a monster amp for shredders! It's just an excellent amp for rock (I don't care about what purists say[1]) and it would be even better with softer sounding speakers and a more effective EQ.

[1] or unlucky users who bought a faulty model...

OVERALL OPINION

I bought it new in 1993. At that time I played in a grunge, fusion and old-school hard rock band and it was the best partner for my Vox Custom 24, which has a very fat sound (I tested dozens of amps in the same price range but they had either clean sounds and slight crunch sounds that were too sharp or distortion sounds and lead sounds that were too compressed. I never had any problems to stand out in a mix with this combination (both live and in the studio).

I now play either blues or rock and I'm still satisfied with this amp, even if I'd like to replace the G12T75 speakers with Greenback speakers... I only use the 50 watt operation so the power handling of the Greenback speakers should be enough and they would allow me to use higher master settings because of their lower efficiency.

As I mentioned above, I regret not having bought its small brother (4502) that shares the same features with a lower output power (which is monstrous on my amp). Up to now this amp has been perfectly reliable (except for the potentiometers, which are a well-known Marshall defect). I still like both clean and distortion modes because, unlike many other Marshall amps, the clean channel sounds really nice.