Marshall JCM900 MKIII Hi Gain 2100 and 2101

Best valves for Marshall JCM900 MKIII Hi Gain 2100 amplifier

The Marshall JCM900 MKIII Hi Gain 2100 and 2101 head and combo amplifiers use:

2 x ECC83 preamp valves (also called 12AX7).
1 x Balanced ECC83 for the phase inverter (in position V3).
4 x EL34 matched power valves/power tubes.

We offer two superb valve kits for this amplifier.

If you currently have Marshall power valves in your amp and love the sound then the Marshall set is the one for you.

You can order the power valves as a matched quad, however, we strongly urge you to change all your valves at the same time. It’s the cheapest way of getting your amp sounding its very best.

A brand new set of valves will get your amp sounding better than ever.

Order your valves below and hear the difference.

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

All of our valve kits are carefully selected, fully tested, digitally balanced and matched.
We offer a variety of shipping options with full tracking and insurance so you can order with confidence.
We have 30 years experience so you know you are in safe hands.
International shipping – we post all over the world every single day.

Replace the valves on your Marshall JCM900 MKIII Hi Gain 2100 amplifier

If you have any queries about replacing your valves please get in touch. We have over 30 years experience so one of our team will always be happy to help and advise.

Also, we recommend that you take a look at our FAQ section where we answer the most popular questions we get asked each week. You will also find lots of useful tips if you are new to upgrading your tubes.

If you want to know what your shipping options are, simply add the product to the basket and when you get to the check out it will show you delivery costs, options and delivery times.

About the amp

This amp was made from 1990 to 1992 and features: