Rivera

5U4GB, 5Y3, EZ81, 5AR4, and GZ34 Rectifier Tubes and Valves
Electro Harmonix 5U4GB Rectifier
£39.24 Add to basket

The 5U4GB by Electro Harmonix appears in many American amps, including Mesa Boogie and Fender. Tested in-house.

Includes a 180 day warranty.
6V6 Based Kits
JJ 3x ECC83S 2x 6V6S Valve Kit
£98.00 Add to basket

JJ Electronic 3x ECC83S 2x 6V6S Valve Kit.

Includes a matched ECC83S phase splitter and matched 6V6S output valves. Used in several Rivera amps.

Tested in-house.

180 day warranty.
6V6 Based Kits
JJ 2x ECC83S 2x 6V6S Valve Kit
£78.60 Add to basket

A fully tested kit containing two ECC83S (12AX7) and two 6V6S valves. Fits a wide range of amplifiers (see below for list). Output valves and phase splitter hand-matched in-house.

Made in Slovakia. Tested in-house.

180 day warranty.
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.
EL84 Amp Valve kits
JJ 2x ECC83S 2x EL84 Lunchbox Valve Kit
£69.00 Add to basket

A fully tested revalve kit containing 2x ECC83S and 2x EL84 valves. Perfect for a vast range of 15 watt lunchbox amps from Hughes & Kettner, Engl, Vox, Orange, and more. Examples include the Vox Night Train, Vox AC10, Orange Tiny Terror, and many others amps..

Output valves and phase splitter matched by hand in-house.

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

180 day warranty.
EL34 Based Kits
JJ 5x ECC83S 2x EL34 II Valve Kit
£114.00 Add to basket

This fully tested kit contains five JJ ECC83 (12AX7) and two JJ EL34 II valves. For various amps from Orange, Rivera, etc. 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 5x ECC83S 4x EL34 II Valve Kit
£159.00 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.
EL34 Based Kits
JJ Blackstar HT40 & HT60 Valve Kit
£75.50 Add to basket

A fully tested revalve kit for the Blackstar HT40 & HT60 Valve Kit. Contains 2x ECC83S and 2x EL34 II from JJ Electronic 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.
EL34 Based Kits
Tung Sol 2x 12AX7 2x EL34B Valve Kit
£155.00 Add to basket
This Tung Sol 2x 12AX7 2x EL34B Valve Kit brings delivers gutsy rock sound for your amp. Current Marchall amps use the Tung Sol EL34B.

Includes
- 2x matched Tung Sol EL34B
- 2x Tung Sol 12AX7 (ECC83)