Dr Z Route 66 GEC KT66 EF86 Mullard Ultimate Upgrade Kit Limited Edition DR Z Full Revalve Kits Original UK made GEC & Mullard Valves You own one of the best KT66 amps in the world so this kit is designed to ...

When choosing the ‘66 many things needed to be considered. Firstly the quality, then the price point – it’s very easy to get caught up in ‘this is better than that’ scenario. But when it comes down to purchasing the valve of your choice, it is fundamentally quality that’s important for most people.

Replicated British KT66 giving Plexi Marshall and JTM45 tones at a price that is affordable. We have searched for high standards in our forever-increasing and vulnerable valve market to give our customers what they need, what is affordable and an acceptable price to pay.

KT66 is the designator for a beam power tube introduced by Marconi-Osram Valve Co. Ltd. (M-OV) of Britain in 1937 and marketed for application as a power amplifier for audio frequencies and driver for radio frequencies.

The KT66 is a very well known audio output beam tetrode valve. Our exhibit is a post-WWII device, probably dating from the 1960s. From the 1970s KT66 s lacked the internal carbon dust coating of the glass bulb.

NOS / NIB UK Made GEC KT66 Matched PAIR from 1970 Comprehensively tested for Shorts (Hot & Cold), Gas & Emission, Leakage, Plate Current and Mutual Conductance Full test results included

KT66 Valve JJ Matched Pair for guitar and hi-fi amplifiers. 2 x KT66 tubes. Selected Premium Grade valves for superior tone, power and performance.

Shuguang KT66 valve (Power valve/tube) Based on (in looks & tone) the infamous Genelex KT66, which pioneered the classic Bluesbreaker tone. This valve is perfect for that bluesy warm vintage overdrive sound & the build quality is superb.

The TAD KT66 is our remake of the great British KT66 by MOV (MO Valve), GEC, Genalex and Gold Lion. This tube is THE REAL THING. It has a large curved glass envelope and a rounded brown base. It made the Marshall JTM45 Plexi amps …

Buy new Brimar TP KT66 Beam Tetrode valves / tubes direct from the supplier in the UK. Can be supplied as singles or matched pairs.