4 US-Made Number Type 43 #43 Vacuum Tubes Lot Of Four Photo multiplier 66 and 74 where minimum

66 and 74 where minimum (65%) is 57

It tests below the cusp

new in box RCA 5750 / 6BE6 tested to spec on our Paul Hart-calibrated TV7/U

As I write

These nine US-made 5AT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

4 US-Made Number Type 43 #43 Vacuum Tubes Lot Of Four Photo multiplier 66 and 74 where minimumThis lot of four US made type 43 tubes was tested our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 40, 59, 62 and 76 where minimum (65%) is 58 and 100% is 89. 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