2 Philco 6U7 Vacuum Tubes Lot of Two 17C5 Septal 61 and 66 where minimum
$11.10
Description
61 and 66 where minimum (65%) is 45
new in box Sylvania 1X2 tubes tested to spec on our Paul Hart-calibrated TV7/U
Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900
D getter and a 4-09 188-5 date / provenance code
2 Philco 6U7 Vacuum Tubes Lot of Two 17C5 Septal 61 and 66 where minimumThese two Philco 6U7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They tested (from left to right) as follows: 35 and 52 where minimum (65%) is 40 and 100% is 62. 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
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