Zenith 6P5 6P5G Vacuum Tube Black Plates Foil Getter Shoulder ST-Shape 6AC7 Gebraucht new in box RCA 6HV5A

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

peppy and alive

This Raytheon 6JM6A tube is new old stock

This RCA Radiotron number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

Zenith 6P5 6P5G Vacuum Tube Black Plates Foil Getter Shoulder ST-Shape 6AC7 Gebraucht new in box RCA 6HV5AThis 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