2 General Electric GE Type / Number 58 #58 Vacuum Tubes Valves Lot Of Two 0-449-90019-3 US-made 7C7 tubes in this

US-made 7C7 tubes in this lot

These four RCA-Radiotron type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

I will test it if you can send me settings

This new old stock-testing matched pair of Philips Miniwatt PCF80 / 9U8 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Tube One measured 63/65 and Tube Two measured 66/64 where minimum (65%) is 50/50

2 General Electric GE Type / Number 58 #58 Vacuum Tubes Valves Lot Of Two 0-449-90019-3 US-made 7C7 tubes in thisThis lot of two GE number type 58 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They measured 48 and 56, respectively, where minimum (65%) is 36. 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