Two RCA type 45 tubes

Tubes test 1875 and 1950 where 1300 micromhos is pass/fail

Identical internal construction

Hanging filaments

Black plate

NO SHORTS / NO GAS

FULL TEST RESULTS :

-Tube #1= 1875 micromhos and 27.8 mA plate current

-Tube #2= 1950 micromhos and 26.6 mA plate current

% Test results in percent %

85.2% / 88.6% Gm mutual condunctance

81.7% / 78.2% mA plate current

For reference:

Tubes Tested on Westmore 501 (Triplett 3444) tube tester where 1100 is pass/fail and 2200 is spec(100%)

* I take photos with camera flash and also no camera flash to show all detail

USA = usps priority or ground advantage

International = UPS or FedEx 7-10 day delivery depending on your location