Matched Pair General Electric GE 6SL7 6SL7GT Vacuum Tubes FU7 Musical Paradise These two Hytron 7C4 tubes

These two Hytron 7C4 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Tung-Sol 50X6 tube tested to spec on our Paul Hart-calibrated TV7

respectively and nice black and silver bottles

wire snubbers for lowered microphonics

new in box Ken-Rad 35Z6 output tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair General Electric GE 6SL7 6SL7GT Vacuum Tubes FU7 Musical Paradise These two Hytron 7C4 tubesThis matched pair of GE 6SL7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 28 35 while Tube Two measured 37 30 where minimum (65%) is 32 32 49 49. They have steel plates; steel support rods; 0 26 188 5 and 8 52 188 5 date provenance codes; solid top mica spacers; side harp getters; tall bases; medium bottles and excellent flashing. I am playing them as I