Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods Vinyl LP S15 34/34 and 38/41 where minimum

34/34 and 38/41 where minimum (65%) is 25/25 and 100% is 38/38

This GE 6688 tube tested 110% on our Jackson 648 Mutual Conductance tester

new in box Tung-Sol 66BC8 tube tested to spec on our Paul Hart-calibrated TV7/U

62 and 68 where minimum (65%) is 42

THIS IS NOT AMAZON

Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods Vinyl LP S15 34/34 and 38/41 where minimumThis matched pair of GE 6SN7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 57 62 for Tube One and 62 62 for Tube Two where minimum (65%) is 50. They have 4 35 188 20 and 4 52 188 5 date factory codes; tall bases; copper support rods, horseshoe getters and excellent flashing. As I write, I playing Easy Star All Stars' "Dub Side of The Moon" in my