Matched Pair RCA 6DE4 Vacuum Tube Rectifiers US-Made 6AV5 6AV5GT Transconductance measured 62 for Tube

Transconductance measured 62 for Tube One and 63 for Tube Two where minimum (65%) is 40 and 100% is 62

They tested 54

a top crenelated mica spacer and a smooth bottom spacer and nice flashing

Transconductance (Maxi-Matcher): 1761/1780

three (rather than two) mica spacers for improved mechanical stability and low microphonics

Matched Pair RCA 6DE4 Vacuum Tube Rectifiers US-Made 6AV5 6AV5GT Transconductance measured 62 for TubeThis perfectly matched pair of RCA MANUFACTURED, 6DE4 rectifier tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. Both measured 71 where minimum (65%) is 50 and 100% is 77. Tube Two is labeled "Zenith." They have gray plates; short bases; side O getters VAE and 60 43 274 date provenance codes, respectively and crenelated, rectangular top and bottom spacers. WE HAVE SCORES OF THOUSANDS OF