4 RCA 12SG7 VT209 VT-209 Vacuum Tubes Valves Milspec Small Logo Lot Of Four Juan Rosenkavalier Tube One measured 56 while

Tube One measured 56 while Tube Two measured 57 where minimum (65%) is 38 and 100% is 58

This Westinghouse 25AV5GT tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

This is the type of bracelet that came with the digital watches of that era

both with current readings of 34 and transconductance of 3520

All of these tubes have very-good-testing triodes and each has a strong-testing as well as a functioning diode

4 RCA 12SG7 VT209 VT-209 Vacuum Tubes Valves Milspec Small Logo Lot Of Four Juan Rosenkavalier Tube One measured 56 whileThese four milspec RCA small logo 12SG7 VT 209 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Their readings are 54, 56, 66 and 71 where minimum (65%) is 42. 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.