Marshall JCM800 4104

Best valves for Marshall JCM800 4104 amplifier

The Marshall JCM800 4104 amplifier uses:

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

Marshall also supplied this amp with 2 x 6550 power valves so please check what you have inside your amp before you place an order.

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

We always recommend Marshall power valves for this amplifier. This is because they guarantee you get awesome tone and long life.

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.
A significant upgrade in valve quality compared with stock valves.
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 JCM800 4104 amp

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.