3 RCA 6B8 VT-93 Milspec Vacuum Tubes Valves Lot Of Three New Songs LP 1986 where minimum (65%) is 50/50

where minimum (65%) is 50/50 and 100% is 77/77

Transconductance measured 56 for Tube One and 57 for Tube Two where minimum (65%) is 40

This matched-pair of GE 6AU6A tubes was tested on our Paul Hart-calibrated TV7/U tube tester for shorts

They measured 27 and 28 where minimum (65%) is 22 and 100% is 40

The spine is in fine shape with no loose pages

3 RCA 6B8 VT-93 Milspec Vacuum Tubes Valves Lot Of Three New Songs LP 1986 where minimum (65%) is 50/50This lot of three RCA Milspec 6B8 VT 93 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas, emissions and transconductance. There were no shorts or gas and they tested as follows: Tube one measured 45 in its triode section where minimum (65%) is 29 and 100% is 45. Its diodes measured 33 and 66, respectively, where minimum (65%) is 40 40 and 100% is 61 61. Tube Two (triode): 50 Tube Two (diodes): 71 53 Tube Three (triode): 51 Tube Three