Matched Pair General Electric GE 6SL7 6SL7GT Vacuum Tubes FU7 Musical Paradise new in box RCA 6EH5

new in box RCA 6EH5 tubes tested to spec on our Paul Hart-calibrated TV7/U

where minimum (65%) is 50/22

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

There are two new old stock

Gain (Mu (µ): 24 / 23

Matched Pair General Electric GE 6SL7 6SL7GT Vacuum Tubes FU7 Musical Paradise new in box RCA 6EH5This 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