pair tested Vintage "coin base" 6V6-GTA Sylvania & GE power tubes

Description

these US-made coin base 6V6s are the ones you want. They don't just look like the real thing, smell like the real thing, or sound like the real thing - they are the real vintage article.
Tubes are tested on a B&K 707 mutual conductance tube tester recently serviced and calibrated by Mike Mabry in Woodland, WA. Mike has been working on this series of testers for many years.
These tubes measured with the following results:
GE 109 (112)
Sylv 104 (109)
The test ratings on this type of B&K tester may require a bit of explanation. Their "life test" is considered "good" if the meter rating is within 25% of the Gm rating. e.g., a tube with a mutual conductance (scaled) rating of 80 would still be passable if the life test registered a 60 on the meter. Most of their test settings correspond with a 0-120 scaled reading where the "good" area is about 66 and higher on the meter.
THANK YOU for looking!