Peavey Classic 20 amplifier

Peavey Classic 20

Valves for Peavey Classic 20 amplifier.

The Peavey Classic 20 amplifier uses 2 x ECC83 (also called 12AX7) preamp valves and 2 x EL84 matched power valves.

We always recommend Sovtek or JJ valves for the Peavey Classic 20 amplifier.

These superior quality valves guarantee awesome tone, power and long life at a very competitive price. Remember that JJ is one of only five manufacturers of valves in the world. So don’t pay more for a rebranded version of the same valve. in a different box.

Order your valves below and hear the difference they make to your sound.

Bring back the tone, power and sparkle to your guitar amplifier. Treat yourself, and your amp, to a brand new set of valves today. 

  • Best valves for the Peavey Classic 20 amplifier. Selected premium quality valves that deliver superior tone and performance.
  • Each valve kit is carefully chosen, fully tested and digitally matched.
  • Sovtek and JJ Electronics are some of the oldest and most respected valve manufacturers in the world.
  • Fast delivery options with full tracking and insurance. So you can order with total confidence.
  • Global delivery – we ship all over the world every single day.

Replace the Valves for Peavey Classic 20 amplifier.

If you have any questions about replacing the valves for Peavey Classic 20 please drop us an email and one of our team will get back to you. We have over 30 years experience and so we will be happy to advise.

Also, check out our FAQ section where you will find the answer to most questions.

What Peavey say about this amp:

“Revered by blues, country and rock players alike, Peavey Classic amps span the tonal landscape from vintage to contemporary with ease, and the Classic 20 MH provides that tone in a highly portable package.

The all-tube, 20-Watt Classic 20 MH is powered by two EL84 power tubes and 3 12AX7/ECC83 preamp tubes. It has two channels that follow the same gain structure and voicing of the Peavey Classic series amps for pure and versatile tone.

The channels share a three-band EQ, lush reverb and an effects loop.


  • Attenuator switch for 20 watts, 5 watts or 1-watt output power.
  • Two EL84 power tubes and three 12AX7/ECC83 preamp tubes.
  • Two foot-switchable channels with 3-band EQ.
  • Headphone output.
  • Impedance switch for 16 or 8-ohm cabinets.
  • Weight Unpacked: 16.75 lb(7.6 kg).

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

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