Matched Pair General Electric GE Red Label 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods RCA Camden Transconductance measured 64 for Tube

Transconductance measured 64 for Tube One and 68 for Tube Two tubes where minimum (65%) is 40

Three are GE and two are Sylvania

This Goat-STYLE shield is 107 MM high and approximately 40 MM wide at its greatest diameter

These are ultra-low-noise

7 milliamps' plate current

Matched Pair General Electric GE Red Label 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods RCA Camden Transconductance measured 64 for TubeThis matched pair of GE Red Label 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 70 66 for Tube One and 71 70 for Tube Two. (Minimum (65%) is 50 50.) They have O getters; tall bases; copper support rods; a round and square hole in each mica spacer; great flashing and 64 09 188 5 and 63 13 188 5 date factory codes, respectively. I have played