Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods NOS NIB Dub Side of The Moon new in box 6K5GT tubes

new in box 6K5GT tubes tested to spec on our Paul Hart-calibrated TV7/U

As the fugue continues and the volume increases

Noise: -85

dynamics and air

Tube One measured 52/52 while Tube Two measured 55/55 where minimum (65%) is 38/38 and 100% is 58/58

Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods NOS NIB Dub Side of The Moon new in box 6K5GT tubesThis new old stock, new in box matched pair of GE 6SN7GTB dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 76 86 for Tube One and 77 77 for Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have side O getters; tall bases; LV 188 5 and JU 188 5 date provenance codes, respectively; copper support rods; a round and square hole in each mica