Matched Pair General Electric GE 6C4 6C4WA Vacuum Tubes Milspec NOS NIB RCA 6H6 6H6GT NOS 34/34 and 38/41 where minimum

34/34 and 38/41 where minimum (65%) is 25/25 and 100% is 38/38

It was made in the USA

new in box (For Tube One) matched pair of Unitron 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

They measured (from left to right) 27

Matched Pair General Electric GE 6C4 6C4WA Vacuum Tubes Milspec NOS NIB RCA 6H6 6H6GT NOS 34/34 and 38/41 where minimumThis perfectly matched pair of new old stock, new in box milspec GE 6C4 6C4WA triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Both tubes measured 69 where minimum (65%) is 55. They have gray plates; top O getters and two additional support rods for increased ruggedness and microphony suppression. These tubes have acid etched codes and designations as well as silk screened 67 05 67