Matched Pair RCA Clear Top 12HG7 12BY7 Vacuum Tubes Valves NOS-Testing Matched Pair 11BM8 mica snubbers for increased rigidity

mica snubbers for increased rigidity and lowered microphonics and excellent flashing

It has a top O getter

100% is 77/77

This RCA Victor 5W4 tested 41/42 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40 and 100% is 62/62

new in box RCA 6LN8 / LCf80 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA Clear Top 12HG7 12BY7 Vacuum Tubes Valves NOS-Testing Matched Pair 11BM8 mica snubbers for increased rigidityThis new old stock testing matched pair of RCA clear top 12HG7 tubes was tested on our Paul Hart calibrated TV7 U (on the 12BY7 setting) for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 80 while Tube Two measured 82 where minimum (65%) is 46 and 100% is 71. These tubes have anode radiators for cooler operation and longer tube life; side O getters and excellent flashing. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES.