marshall

EL34 Based Kits
JJ 2x ECC83S 2x EL34 II Valve Kit
£75.00 Add to basket

This fully tested kit contains two JJ ECC83 (12AX7) and two JJ EL34 II valves. Fits a range of amps from Blackstar, Fender, Hughes & Kettner, Line 6, and Blackstar St James EL34. The JJ EL34 II has richer mid tones than the original JJ EL34. Output valves and phase splitter hand-matched in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
EL34 Based Kits
JJ 3x ECC83S 2x EL34 II Valve Kit
£94.00 Add to basket

This fully premium tested kit contains three JJ ECC83 (12AX7) and two JJ EL34 II valves. The JJ EL34 II has richer mid tones than the original JJ EL34. Output valves and phase splitter hand-matched in-house on our custom designed testers. Made in Slovakia.
EL34 Based Kits
JJ 3x ECC83S 4x EL34 II Valve kit
£139.00 Add to basket

This fully tested kit contains three JJ ECC83 (12AX7) and four JJ EL34 II valves. The JJ EL34 II has richer mid tones than the original JJ EL34. Output valves and phase splitter hand-matched in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
6L6 Guitar Amp Valve Kits
JJ 4x ECC83S 2x 6L6GC Valve Kit
£119.00 Add to basket

Our JJ 4x ECC83S 2x 6L6GC Valve Kit contains six valves total. Ideal for a range of Fender, Cornford and Engl amps. Output valves and phase splitter matched by hand in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
EL34 Based Kits
JJ 4x ECC83S 4x EL34 II Valve kit
£144.00 Add to basket

This fully tested kit contains four JJ ECC83S (12AX7) and four JJ EL34 valves. All four EL34s matched to each other. One ECC83S balanced for the phase splitter position.

Valves made by JJ Electronic in Slovakia. Tested in-house.

180 day warranty.
6L6 Guitar Amp Valve Kits
JJ 5x ECC83S 4x 6L6GC Valve Kit
£189.00 Add to basket

Our JJ 5x ECC83S 4x 6L6GC Valve Kit contains nine valves total. Ideal for the Peavey 5150 / 6505 and amps with a similar valve configuration. Output valves and phase splitter matched by hand in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
EL34 Based Kits
JJ 5x ECC83S 4x EL34 II Valve Kit
£169.00 Add to basket

This fully tested revalve kit fits a wide range of 100 watt amplifiers. Contains five ECC83 (12AX7) and four EL34 II valves. The JJ EL34 II has richer mid tones than the original JJ EL34. Output valves and phase splitter hand-matched in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
6L6 Guitar Amp Valve Kits
JJ 5x ECC83S 6x 6L6GC Valve Kit
£244.00 Add to basket

Our JJ 5x ECC83S 6x 6L6GC Valve Kit contains nine valves total. Output valves and phase splitter matched by hand in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
EL34, KT66, KT77, KT88, and 6550 Valves and Tubes
JJ 6550 Matched Sets
£98.00 – £294.00 Select options This product has multiple variants. The options may be chosen on the product page

Our JJ 6550 Matched Pairs Quads Sextets come with a test certificate showing our matching parameters. This ensures the best performance and sound quality.

Made by JJ Electronic in Slovakia. Tested in-house.

180 day warranty.