Koch Amps

Electro Harmonix (EH)
5U4GB Electro Harmonix Rectifier
£39.24 Add to basket

5U4GB by Electro Harmonix is brand new The 5U4GB is used in many American made amp designs such as Mesa Boogie and Fender
EL34 Based Kits
EH Valve Kit 3x12AX7 4x EL34EH
£289.00 Add to basket

If you want a step up from budget valves to a real rock sound then this Electro Harmonix Valve Kit 3x 12Ax7 4x EL34Eh for rich mid tones is just the ticket. It will really bring out the tones in your Orange,Marshall etc amp. Bring your amp to life!
Valve kits with preamp valves and EL84's
JJ 2x ECC83S 2x EL84 Valve kit
£69.00 Add to basket

This JJ Electronic based, Valve Kit has 2x ECC83S 2x EL84
We have matched your EL84’s and one of the ECC83S’s s.. A popular kit used on a whole range of smaller amps
EL34 Based Kits
JJ 3xECC83S 4x EL34 II Valve kit
£131.00 Add to basket

This is a fully tested kit contains three JJ ECC83’s (12AX7), and four JJ EL34’s .All 4 EL34’s are matched to each other and one ECC83S is balanced for the phase splitter
EL34 Based Kits
JJ 4xECC83S 4x EL34 II Valve kit
£139.00 Add to basket

This is a fully tested kit contains four JJ ECC83s (12AX7), and four JJ EL34’s. All 4 EL34s matched to each other. One ECC83S balanced for the phase splitter position.

5U4GB Electro Harmonix Rectifier