Sylvania 6C8 6C8G Vacuum Tube NOS-Testing MP-301 MK3 PLEASE BE PATIENT FOR THE

PLEASE BE PATIENT FOR THE FIRST DAY OR TWO IF THE PACKAGE IS STILL MARKED AS "PRE-TRANSIT

new in box Sylvania 8LT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

old-fashioned

Transconductance measured 42 and 45 where minimum (65%) is 30

This perfectly-matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

Sylvania 6C8 6C8G Vacuum Tube NOS-Testing MP-301 MK3 PLEASE BE PATIENT FOR THEThis beautiful new old stock testing Sylvania MANUFACTURED, Zenith LABELED 6C8G dual triode was tested on our Paul Hart calibrated for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 46 49 where minimum (65%) is 25 and 100% is 38 38. It has a dimpled, sheet getter; steel snubbers for lowered microphonics; dark gray rounded plates and outstanding flashing. I have played it (with an adapter) in one of my AC