Sylvania 6C8 6C8G Vacuum Tube NOS NIB 6SL7 Substitute Consciousness These lot of six new

These lot of six new old stock

Three are milspec

Tube One measured 76/74 while Tube Two (GE-MANUFACTURED

marked for safe and easy insertion

Sylvania 6C8 6C8G Vacuum Tube NOS NIB 6SL7 Substitute Consciousness These lot of six newThis beautiful new old stock, new in box Sylvania MANUFACTURED, Sparton LABELED 6C8G dual triode was tested on our Paul Hart calibrated for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 45 where minimum (65%) is 25 and 100% is It has a D getter; steel snubbers for lowered microphonics; dark gray rounded plates and excellent flashing. I have played it (with an adapter) in one of my AC heated Sound Craftsman