Marshall JCM800 2203 amplifier

Marshall JCM800 2203

Looking for great sounding valves for Marshall JCM800 2203 amplifier? Great – you’ve come to the right place.

Valves for Marshall JCM800 2203 amplifier.

The Marshall JCM800 2203 amplifier uses:

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

Order your valves below and hear the difference.

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

  • All of our valve kits are carefully picked, fully tested, digitally balanced and matched before despatch.
  • These Selected Premium Grade valves deliver superior tone, power and performance across the range.
  • Fast delivery options. Tracked and fully insured so you can order with total confidence.
  • We have 30 years experience so you are in safe hands.
  • We ship internationally every single day.

Replace the Valves for Marshall JCM800 2203 amplifier.

If you’ve got any questions about replacing the valves for Marshall JCM800 2203 please drop us an email. One of the team will get straight back to you.

We have over 30 years of experience so we are always happy to help.

If you haven’t changed your valves before, please take a look at our very helpful FAQ section.

Here we answer most questions as well as providing loads of useful hints and tips.

About the Marshall JCM800 2203 amp:

This JCM800 re-issue, 2203 model (’81-’84), is one of the most highly respected 100 Watt Marshall® heads. Originally evolving from the ‘Plexi’ head, the JCM800 was one of our first amplifiers to feature a Master Volume control.

The JCM800 2203 remains the essence of simplicity. It has one channel with no Reverb. Its purist-pleasing front panel and distinctive roar set the standard by which all other rock amps were judged. And it is still produced because of continued artist use, and of course by popular demand.

The only modern addition made to the JCM800 2203 is a tonally transparent Series FX Loop.

The Marshall JCM800 2203X Vintage Series 100W Tube Head is the original amp behind Eddie’s famous “brown sound” from the 1981 to 1990 era. It’s still backing some of rock’s greatest including Zakk Wylde and Kerry King. Three ECC83s and four EL34s pump out 100W of that inimitable Marshall overdrive.


  • Inputs: 2 x 2.
  • Output: 100W (RMS).
  • Tubes: 3 x ECC83 and 4 x matched EL34.
  • Dimensions: 750W x 315H x 210D.

Click here to view the schematic for the Marshall JCM800 2203 amplifier.

Tubes for sale for Marshall JCM800 2203 amplifiers

Order your new tubes today and get your amp sounding better than ever.

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

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Replacement Marshall valve kit for Marshall JCM800 2203 amplifiers

Replacement Marshall Valve Kit for JCM800 2203 (2 x JJ ECC83 1 x JJ Balanced ECC83 4 x Marshall Matched EL34)

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Marshall EL34 x 4 matched quad

4 x Marshall EL34 Valves (Tubes) Matched Quad NEW TESTED

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