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valves for Marshall JCM900 4102

Marshall JCM900 4102

Looking for great sounding valves for Marshall JCM900 4102 amplifier? You’ve come to the right place.

Valves for Marshall JCM900 4102 amplifier.

The Marshall JCM900 4102 amplifier uses:

  • 2 x ECC83 preamp valves (also known as 12AX7).
  • 1 x Balanced ECC83 for the phase inverter in position V3.
  • 4 x Matched 5881 power valves/power tubes.

We always recommend JJ valves for Marshall JCM900 4102 amplifier. This is because they guarantee you get awesome tone at a very competitive price.

You can order these singly, the power valves as matched quads or a complete set.

Order your valves for Marshall JCM900 4102 below and hear the difference.

So restore the power and sparkle to your guitar amplifier. Treat yourself to a brand new set of valves.

  • Selected Premium Grade JJ valves for superior tone, power and performance.
  • Every valve kit is carefully chosen, fully tested, digitally balanced and matched before we ship to you.
  • We have over 30years in the business so you are in very safe hands.
  • International shipping. We ship all over the world every single day.

Replace the Valves for Marshall JCM900 4102 amplifier.

If you have any questions about replacing the valves for Marshall JCM900 4102 please drop us an email. One of the team will get straight back to you. We have over 30 years of experience and will be happy to advise.

We also recommend that you click through to our very helpful FAQ section where you will find the answer to most questions. There are also lots of useful hints and tips if you have never upgraded your tubes before.

About the Marshall JCM900 4102 amplifier:

The Marshall JCM900 4102 is the 2 x 12” cab version of the Marshall JCM900 4100 head.

(The JCM900 4101 is the 1 x 12” version)

This 100w tube combo can be fitted with either EL34 or 5881. It comes supplied with 5881 as standard and this is the preferred valve set for this amp.

The Marshall JCM900 4102 has a single input and one non-switchable effects loop with adjustable level. There are 2 speaker output jacks (8ohm and 4/16 ohms), one direct line output and one with amp simulation.

On the front panel, The Marshall JCM900 4102 has a clean gain, a drive gain, an EQ (bass/mid/treble/presence), volume and reverb level per channel and that’s it (which is more than enough).

The speakers used are the lovely Celestion G12T75.

The Marshall JCM900 4102 in use:

The clean sound can crunch gently and be even a little biting, but that’s certainly not its main utility. This amp is well suited to the big rock, stoner, punk, but not to extreme metal, not without external “help” – that is a little bit of help anyway.

A pretty tight clean sound and a drive channel that doesn’t have huge amounts of gain (a typical Marshall characteristic).

The EQ isn’t the best in the World and I would strongly suggest you add a pedal here. Inserting a good quality EQ pedal in the effects loop will really change the sound. Clean sounds will give you all the flavours you could ever ask for.

Features of the Marshall JCM900 Model 4102:

Power: 100 Watts
Channels:2 Channels
Valves/Tube used: 4 x 5881, 3 x ECC83.

Speakers: 2 x 12″ Celestion G12T-75
Controls: Preamp Volume (Channel A), Gain Enhance (Channel B), Treble, Middle, Bass, Presence, Reverb (Channel A), Master Volume (Channel A), Reverb (Channel B).

Master Volume (Channel B).
Effects Loop.
Pentode/ Triode Output switch (100 or 50 Watts).
Direct Line Output.
Recording Compensated Line Output.

Replace the Valves for Marshall JCM900 4102 amplifier. Get your amp sounding better than ever.

So, if you’re looking for great sounding valves for Marshall JCM900 4102 amplifier you’ve come to the right place.

Simply choose the complete replacement valve kit or the seperate valves for your amplifier below: