4 Ken-Rad 12SC7 Vacuum Tubes Lot Of Four 2nd Quarter BW21

4 Ken-Rad 12SC7 Vacuum Tubes Lot Of Four 2nd Quarter BW21These four Ken Rad tubes tested as follows on our Paul Hart calibrated TV7 U: 29 30, 33 34, 34 38 and 38 36 where minimum (65%) is 25 25 is 39 39. 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 YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100.

This GE-MANUFACTURED

wing-plates

" MAIL GETS MISPLACED

Transconductance readings are 30

Transconductance readings are 15

WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS OR IF THEY WERE MISTREATED IN TRANSIT

WE CANNOT TEST FOR CATASTROPHIC FAILURE

47 and 48 where minimum (65%) is 30 and 100% is 72

This new old stock-testing matched pair of RCA 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

64 and 64 where minimum (65%) is 50 and 100% is 77

outstanding flashing

This Zaerix 6CU7 / ECH42 tube tested to spec on our Paul Hart-calibrated TV7/U