Siemens 6AQ8 ECC85 Vacuum Tube 6KY8 TA1 D getters and short bases

D getters and short bases

I am playing them in my Musical Paradise MP-301 MK3 as I write and they sound excellent

They measured 85/66 for Tube One and 85/70 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

(New US-made 6V6s typically test with plate current from the mid- teens to mid 30s with transconductance from 2300 micromhos or so

Fortunately the libretto is present and in great shape

Siemens 6AQ8 ECC85 Vacuum Tube 6KY8 TA1 D getters and short basesThis Siemens MANUFACTURED, RCA BRANDED 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 64 72 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 1U7 6H date provenance code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY