Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods NOS NIB Dub Side of The Moon Tube One measured 1940 micromhos

Tube One measured 1940 micromhos

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

LV 188-5 and JU 188-5 date/provenance codes

There were no shorts or gas and they measured 36/30

dynamics and air

Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods NOS NIB Dub Side of The Moon Tube One measured 1940 micromhosThis 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