Philips 7DJ8 PCC88 Vacuum Tube Valve November 12 2024 black plates and bottom

black plates and bottom

These three Ken-Rad 1A7GT tubes tested to spec on our Paul Hart-calibrated TV-7/U

It has a dimpled-sheet getter

This matched pair of RCA-MANUFACTURED gray glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

new in box GE 17KV6 tubes tested to spec on our on our Paul Hart-calibrated TV7/U

Philips 7DJ8 PCC88 Vacuum Tube Valve November 12 2024 black plates and bottomThis Dutch Philips 7DJ8 PCC88 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 60 55 where minimum (65%) is 60 60. It has terrific flashing; a good very good logo; a sutured top; DJE 7E4 date provenance codes and excellent flashing I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great. WE HAVE SCORES OF THOUSANDS OF VACUUM