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View Full Version : GEC KT66 Valves pair



Miller
02-12-2021, 17:11
One tests very strong 46/50 but has no centre guide (see pic) and the other tests 37/50 where good starts at 28.

Both tested in one of my PYE HF12 amplifiers and sounded great... £90.00 including postage.

https://i.postimg.cc/brm7mYzY/IMG-0022.jpg

https://i.postimg.cc/mkZx31W6/IMG-0021.jpg