how to Bias a Marshall JCM2000 DSL401

Marshall JCM2000 DSL401

Looking for great sounding valves for Marshall JCM2000 DSL401 amplifier? You’ve come to the right place.

Valves for Marshall JCM2000 DSL401.

The Marshall JCM2000 DSL401 amplifier uses:

  • 3 x ECC83 (also called 12AX7) preamp valves.
  • 1 x Balanced ECC83 for the phase inverter in position V4.
  • 4 x EL84 matched power valves/power tubes.

We always recommend Sovtek or JJ valves for Marshall amplifiers. This is because they guarantee amazing tone at a very competitive price. You can order these singly, as matched quads, or a complete set.

We always recommend that you change all your valves at the same. It’s a small price to pay to get your amp sounding like new again.

Order your valves below and hear the difference.

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

  • Selected premium quality valves giving superior tone and performance.
  • Every valve kit is fully tested, digitally balanced and matched before we ship to you.
  • We offer a choice of fast delivery options with full tracking and insurance. So you can be sure they will arrive safely.
  • We ship Internationally every single day.

Replace the Valves on your Marshall JCM2000 DSL401.

If you have any questions about replacing the valves for Marshall JCM2000 DSL401 please do not hesitate to drop us an email. Also, check out our FAQ Section as we may have answered your question already.

We have over 30 years of experience and so we will be happy to advise.

About the Marshall JCM2000 DSL401 amplifier.

The Marshall JCM2000 DSL401 amp is a 40-watt combo. It has two independent, foot-switchable channels. The compact, EL84-powered Marshall DSL 401 1 x 12″ combo is the smallest model of the impressive, eight-member JCM2000 family.

So this Marshall Amplifier produces a wide array of crystal clear sounds, tight, punchy tones and increasing levels of grind as you turn up the volume. It can also get really big and bluesy when the gain is cranked up.

So all in all, a very versatile combo which you can use for practising or gigging. Connect it to the right cab and you get a really awesome, punchy sound.


The Marshall JCM2000 DSL401 Guitar Tube Amplifier Combo main features include:

  • 40 Watt Output (RMS).
  • 3 Channels Reverb Control.
  • Parallel FX Loop.
  • Tubes: 4 X ECC83 Pre-Amp Valves 4 X EL84 Power Amp Valves.
  • PEDL-10013 Foot-switch.
  • Dimensions: 572 x 457 x 266.
  • Finally, that all-important weight factor: 20kg.

Replace the Valves for Marshall JCM2000 DSL401. So order yours today and get your amp sounding better than ever.

“I just played my DSL 401 with the new tubes I bought from you. It was easy to fit them, thank you for your advice. The sound now is just incredible, I am as happy as a child!!! These are the best 142 euros I’ve spent in a long time, worth every cent”. C.B.

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