Genalex - Gold Lion KT66 Power Vacuum Tube (Matched)
Need matched power tubes? Don't worry! Price includes matching in any quantity you need for no extra charge. Need a matched pair? Just order "2" tubes. For a matched quad order "4" tubes. Matched sextets and octets are available as well.From our reviews ... "At low to moderate volumes you get a big open sound across the guitar spectrum. Very articulate with little compression, excellent touch response and dynamics."
The Gold Lion KT66 power tube is a reissue tube that is made in Russia. From the manufacturer, "Exact copy of the original clear glass KT66 vacuum tube. The tube that created "The Bluesbreaker Tone". Used in 50's - 60's hi-fi favorites such as the Heathkit W-5M and many Leak amplifiers."
Other Genalex - Gold Lion tubes
KT66 Tube TypesAdditional Information and Downloads
Reviews:
KT66 Tube Review
Tube Matching Information:
Power Tube Matching FAQ
Perfect Pair System
Downloads:
Genalex - Gold Lion KT66 Datasheet (PDF)
Download Adobe Acrobat PDF reader
Warranty Information and Return Policy
Warranty Period: 3 monthsAll our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.
Ratings & Reviews
12 reviews
JTM45/100 Clone
by Chris
I replaced a quad of JJ's that were getting old with these. They sound absolutely incredible in a Marshall-style circuit. Huge low end with 3D mids that you really have to experience in person. A bit pricier than some other KT66's but well worth it!
Ceriatone JTM45
by Paul G.
Just got my Genalex KT66 matched pair. Did a quick bias to get in the ballpark, then left the amp running for an hour to stabilize. When I cam back and rebiased I found the tubes measured exactly the same. Exactly. Never had a set of tubes so perfectly matched.
Plugged in and found the amp sounding rounder, fuller and smoother than with the JJs I was replacing. It may be my imagination, but amp just seemed more powerful. I'll really know for sure on this weekends gigs, but so far I'm impressed.
In my Quad II Classic Integrated Audio Amp
by Peter
Replaced the original Tung Sols in my Quad II audio amp. Huge improvement in soundstage. I''ll be using these from now on.
Gamechanger
by Teodoro Rivas
Changed the texture of my Low Dynamic Range on my Marshall 2266C in a sec. Should have done it as soon as I got the amp. Now I got Classic Marshall Roar on both ranges.
Had one fail
by Mike Donnelly
I purchased a matched set of KT66's for my customized Bluesbreaker reissue and they sounded amazing. However, one of them went out with less than 20 hours of playing time. I just ordered a replacement. I don't want to change brands, since these sounded the best.