Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB TC-1018-A wire snubbers for increased rigidity

wire snubbers for increased rigidity and lowered microphonics

Three are GE and two are Sylvania

This lot of two US-made number 33 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

There is some marking in the first twenty pages or so

(New US-made 6V6s typically test with plate current from the mid-teens to mid-30s with transconductance from 2300 micromhos or so

Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB TC-1018-A wire snubbers for increased rigidityThis new old stock, new in box matched pair of GE 6BL7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 45 for Tube One and 45 45 for Tube Two where minimum (65%) is 25 25 and 100% is 38. 5 38. 5. They have O getters; copper support rods; great flashing and 63 48 188 5 and 64 13 188 5 factory date codes, respectively. I played them in my Alan