Excellent transparency, detailed with superb separation of frequencies. In search of the ultimate KT66, premium matched onsite at an affordable price. Replicated British KT66 giving Plexi Marshall and JTM45 tones at a price that is affordable.

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.

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 …

kt66 original marshall spares made by shuguang china. all tubes are computer tested and batch matched by marshall. new and unused. made in 2007. these are the best value and quality kt66 available. perfect for hifi and guitar amps. suitable for any audio or …

New Old Stock / New in Box Matched QUAD of GEC KT66 (CV1075) from 1970's Super rare closely matched (within 5mA) - STRONG (120%+!!) QUAD of one of the best KT66 tubes every produced! Comprehensively tested for Shorts (Hot & Cold), Gas & Emission, Leakage, Plate Current and Mutual Conductance.

Selected Premium Grade valves to ensure optimum tone and performance.

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.

Tungsol KT66 - The Bluesbreaker sound is back, warm tone at its finest! The Tung-Sol KT66 is just the ticket if you are looking for high quality and cost-effective tube. This tube has improved bass response and a shimmering top-end.