Zenith 6P5 6P5G Vacuum Tube Black Plates Foil Getter Shoulder ST-Shape 6AC7 Gebraucht both with current readings of

both with current readings of 34 and transconductance of 3520

These three RCA plate number 78 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box RCA 6HV5A tubes tested to spec on our Paul Hart-calibrated TV7/U

clear bottle number / type 59 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

peppy and alive

Zenith 6P5 6P5G Vacuum Tube Black Plates Foil Getter Shoulder ST-Shape 6AC7 Gebraucht both with current readings ofThis beautiful, nostalgic looking Zenith 6P5G triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 48 where minimum (65%) is 36 and 100% is 55. I played it in one of my Radio Craftsmen RC 2 monoblocks and it sounds outstanding even though it tests on the cusp. It is dead quiet when the CD player is paused and has excellent frequency response, sound staging, and dynamics even