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Replacement valve kit For Marshall JCM900 4500

Marshall JCM900 4100

Looking for great sounding valves for Marshall JCM900 4100 amplifier? Great – welcome to Amp Valves. You’ve come to the right place.

Valves for Marshall JCM900 4100 amplifier.

The Marshall JCM900 4100 amplifier uses:

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

Note 1: This amp was also supplied with EL34 power valves so please check inside your amplifier before ordering.

Note 2: Many of you will find that your power valves have been replaced with 6L6GC valves or similar. The 5881 valve is a type of 6L6 valve but click on this link to find out more.

Order your valves below and get your amp sounding better than ever.

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 JCM900 range of amplifiers.
  • Each valve kit is carefully selected, fully tested and digitally matched.
  • We offer a choice of fast delivery services with full tracking and insurance. So you know they will arrive safely.
  • We ship internationally every day so order with confidence.

Replace the Valves on your Marshall JCM900 4100.

If you have any questions about replacing the valves for Marshall JCM900 4100 please drop us an email. We have over 30 years experience and so we will always be happy to help.

We also recommend that you take a look at our very useful FAQ section. Here you will find loads of tips on upgrading your tubes.

About the Marshall JCM900 4100 amplifier:

The JCM900 4100 was the next logical step on from the JCM800 Series. This particular amp is an authentic re-issue of the original JCM900 4100 which first made its debut in the early 1960s.

This is a two-channel, high gain plus reverb, 100W head with no solid state components. So it delivers that classic Marshall tone and is durable enough for regular gigging. The JCM900 4100 has many fans due to its wide feature set and huge versatility.

Channel A is voiced to be sparklingly clean on lower gain settings. This builds to a raunchy crunch when driven harder. Channel B meanwhile takes the gain even higher producing tones from silky smooth distortion to searing, saturated scream.

The Marshall JCM900 4100 is also equipped with a series FX Loop with its own Level control for use with rack FX or stompboxes.

Marshall JCM900 4100 Features:

  • Reissue of the beloved JCM900 all-tube head.
  • Incredibly powerful at 100-watts – not an amp that’s made to be played quietly.
  • Valves/Tubes: 3 x ECC83 preamp tubes and 4 x 5881 matched power tubes.
  • Series FX loop lets you switch effects pedals in and out, with a true bypass operation.
  • 2 speaker outputs for connecting extension cabinets.
  • Birch-ply construction. As a result, it is incredibly strong and ready for life on the road.
Tubes for sale for Marshall JCM900 4100. Order yours today and hear the difference!

So, if you’re looking for great sounding valves for your Marshall amplifier – you’ve certainly come to the best place.