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Valves for Marshall JCM800 4211

Marshall JCM800 4211

Valves for Marshall JCM800 4211 amplifier.

In the UK, the Marshall JCM800 4211 amplifier was supplied with 4 x ECC83 (also known as 12AX7) preamp valves, 1 x Balanced ECC83 for the phase splitter position V5, and 4 x EL34 matched power valves. However, the US market was supplied with 4 x 6550 power valves.

The amp can happily cope with both types of valves but if you swap one set for another you will have to rebias the amp.

We always recommend JJ valves for Marshall JCM800 4211 amplifier. This is because they give you an absolutely amazing tone and power at a very competitive price.

We also offer Marshall EL34 Power Valves for those owners who specifically want Marshall branded EL34 valves.

Order your valves below and get your amp sounding like it should.

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

  • Best valves for the Marshall JCM800 4211 amplifier.
  • Each valve is carefully chosen, fully tested and digitally matched and balanced as appropriate.
  • Fast delivery options with full tracking and insurance. So order with total confidence.
  • Global delivery – we ship all over the world.

Replace the Valves for Marshall JCM800 4211.

If you have any questions about replacing the valves for Marshall JCM800 4211please do not hesitate to 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.

You may also like to check out our very helpful FAQ section where you will find the answer to most questions. There are also lots of hints and tips if you have never changed your valves before.

About the Marshall JCM800 4211 amplifier:

The Marshall JCM800 4211 is the split channel, 100 watts, 2 x 12, combo version of 2210 head. Introduced during the 1980s, the Marshall JCM 800 series added sought-after features to the product line. Features include an effects loop and master volume.

The amp features individual gain and EQ controls for each channel, Accutronics foot-switchable reverb, effects loop, and a line out with separate gain control.

Cosmetically, the JCM800 models sport larger logos on the heads and speaker cabinets. Another difference is the addition of grille cloth material on the upper two-thirds of the headbox, replacing the all-vinyl look of earlier Marshalls.

So it is a handsome design and one that was carried over to the JCM900 line, as well.

  • Made between 1983 and 1990.
  • The two speakers are HP Celestion GH12.
  • Finally, impedance selectable 4/8/16 Ohm.