Telefunken ECH81 Vacuum Tube NOS-Testing Мелодия Melodiya double-side getters and and absolutely

double-side getters and and absolutely no flashing -- somewhat-disconcerting

It was dead quiet when the preamp was muted and had excellent frequency response

6 dB / -82

6 milliamps' plate current while Tube Two drew 25

Telefunken ECH81 Vacuum Tube NOS-Testing Мелодия Melodiya double-side getters and and absolutelyThis new old stock TESTING Telefunken ECH81 6AJ6 was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. It measured 75 79 where minimum (65%) is 50 50 and 100% is 77 77 and has the Telefunken diamond (<>) embossed in its base. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF