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 Best KT66 Power Tubes - Reviews and Guide. Are you looking for the very best KT66 power tubes for your vacuum tube amplifier? This is the place to start. Check out the following tube reviews for guidance in getting the best possible tone out of your tube amp. (View our complete selection of KT66 vacuum tubes)

The KT66, originally given the Type code N66, is a very well known audio output beam tetrode valve. Our exhibit is a post-WWII device, probably dating from the 1970s, as from the 1970s the KT66 lacked the internal carbon dust coating of the glass bulb that can be seen in KT66 .

We have a good selection of KT66 vacuum tubes in stock and ready to ship. Here you'll find tubes by TungSol, Genalex/Gold Lion, Shuguang, Shuguang Treasure, and JJ Electronic. Many of the KT66 vacuum tubes listed below have tube reviews submitted by our customers.

Gold Lion KT66 Russian re-issue of the legendary Genalex. This one get's Uncle Kevvy's seal of approval. Built to the highest standards and is very reliable. Great substitite for the 6L6GC, but consult your amp's manufacturer: The KT66 has a higher dissippation than its 5881 and 6L6GC counterparts, and if your amp's bi

Tube KT 66 or Röhre KT66 ID3176, Beam Power Tube, Octal (Int.Octal, IO) K8A, USA 1935 and Power/Output shown. Radio tubes are valves.

Purchase Genalex - Gold Lion KT66 vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.

KT66 tube a low distortion audio tube similar to 6L6. KT66 is used in legendary audio and guitar amps for its sonic qualities. Find out more about KT66 to select the best one.

TubeDepot carries a selection of 6L6 / 5881 / KT66 / 7027 Power Vacuum Tubes. New & NOS power tubes from Mullard, Tung-Sol, Telefunken & more!

These are a wonderful addition to the JJ line and it's great to finally have a real new production KT66 that has all of the sonic qualities of the original! A very thick and rich sound with lots of harmonic complexity and a wonderfully smooth breakup when driven into saturation.