Arcturus Number / Type 76 #76 Vacuum Tube Valve March 30 2024 top mica spacer with mica

top mica spacer with mica snubbers

(New EL84s typically test from the mid 20s to mid 60s with transconductance from 7420

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

new in box RCA milspec 5763 / JRC-5763 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

Arcturus Number / Type 76 #76 Vacuum Tube Valve March 30 2024 top mica spacer with micaThis 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