3 RCA 12SC7 Vacuum Tubes Valves Lot Of Three December 11 2021

3 RCA 12SC7 Vacuum Tubes Valves Lot Of Three December 11 2021This lot of three RCA 12SC7 tubes tested as follows on our Paul Hart calibrated TV7 U: 26 26, 30 31 and 34 34 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

It rattles but is otherwise OK

Transconductance measured 41/42 where minimum (65%) is 21

new in box Dutch Amperex RCA 6360 tube tested to spec on our Paul Hart-calibrated TV7/U

This trio of RCA 6K7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

It has shiny black plates

It has a micanol base

This  pair of National Union black plate 45 output triode was tested on our Paul Hart-calibrated TV7/U for shorts

ETSY DOES NOT HAVE A SYSTEM IN PLACE FOR THAT YET

This is a very-well-preserved LP

Both measured 62 where minimum (65%) is 34

Tube Two: 35

This milspec Brimar CV4014 / 6064 / EF91 / 6AM6 tube tested to spec on our Paul Hart-calibrated TV-7/U