Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods NOS NIB Et Volodia Poliakof Transconductance readings are 44

Transconductance readings are 44

is very quiet and has only the occasional pop and tick

63 and 68 where minimum (65%) is 46

" They have black and silver glass

new in box US-made 2BN4 / 2BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods NOS NIB Et Volodia Poliakof Transconductance readings are 44This new old stock, new in box (for Tube Two) matched pair of GE MANUFACTURED 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 77 80 for Tube One and 82 81 for Tube Two where minimum (65%) is 50 50. They have tall bases; side horseshoe getters; ; copper support rods; outstanding flashing and both have 4 43 188 5 date provenance code. WE HAVE