Mullard 6AQ8 ECC85 Vacuum Tube NOS-Testing ECC189 HA Drawer 72 and 75 respectively

72 and 75 respectively

side-D getters

where minimum (65%) is 32 and 100% is 49

Transconductance (Maxi-Matcher): 1789/1690

Mullard 6AQ8 ECC85 Vacuum Tube NOS-Testing ECC189 HA Drawer 72 and 75 respectivelyThis new old stock TESTING Mullard 6AQ8 ECC85 tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 81 80 where minimum (65%) is 50 50 and 100% is 77 77. I have played it in my Schiit Vali 2 headphone amp and it sounds great. It has a sutured top, copper support rods and a tU4 B8A2 date provenance code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY