Best valves for Cornell Plexi 18/20 amplifiers

Cornell Plexi 18/20

Best valves for Cornell Plexi 18/20 amplifiers.

The Cornell Plexi 18/20 amplifier uses:

  • 1 x ECC83 preamp valve (also called 12AX7).
  • 1 x Balanced ECC83 for the phase inverter (in position V2).
  • 1 x GZ34 rectifier valve.
  • 2 x EL84 matched power valves/power tubes.

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

We always recommend JJ valves for this amplifier. This is because they guarantee you get awesome tone and long life and they don’t cost a fortune.

Remember, JJ is one of only five manufacturers of valves in the world. So don’t pay higher prices for valves from the same factory that have simply been rebranded by other companies.

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 Cornell Plexi 18/20 amplifier.

If you have any queries about replacing your valves please get in touch. We have over 30 years of 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.

About this amp:

This is a class A Cathode Biased amp so there is no need to rebias when you change your power valves.

  • Channel One:
    Hi & Lo inputs.
  • Channel Two:
    Hi & Lo inputs.

18/20 (Rectifier).
Mains (On/Off).

High 20 watts.
Low 5 watts.
8 and 4 ohms jacks are fitted.

Tubes for sale for Cornell Plexi 18/20 amplifiers.

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

Many thanks to Vernon Everitt for supplying us with a photograph of his own superb example of this amplifier.

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