Arcturus Number / Type 76 #76 Vacuum Tube Valve March 30 2024 Both tubes have gray

Both tubes have gray

This new old stock-testing Silvertone round plate type 56 triode was tested on our Paul Hart-calibrated TV7 for shorts

new in box RCA 6GF7 / 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

It sounds very good with an occasional pop and tick audible in the pianissimo passages

Arcturus Number / Type 76 #76 Vacuum Tube Valve March 30 2024 Both tubes have grayThis Arcturus type 76 triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 46 where minimum (65%) is 36 and 100% is 55. It has shiny gray rounded plates; a top, banded, rectangular mica spacer as well as a rectangular bottom spacer, mica snubbers for increased rigidity and lowered microphonics and excellent flashing. I have played it in one of my Radio