Two National Union type 45 tubes

Tubes test 2040 and 2230 where 1300 micromhos is pass/fail

Hanging filaments

Black plate

Original boxes included

NO SHORTS / NO GAS

No rattle / no loose parts / tight bases

Clean shiny pins

Both contain 1940's date codes = LR & JU

Tubes are mA plate current exact matched

FULL TEST RESULTS :

-Tube #1= 2040 micromhos and 32.8 mA plate current

-Tube #2= 2230 micromhos and 32.8 mA plate current

% Test results in percent %

102% / 111.5% Gm mutual condunctance

91.1% / 91.1% mA plate current

For reference:

Tubes Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode)

For reference:

Type 45 tubes: Spec (new) = 2000 micromhos and 36 mA plate current

Type 45 tubes: 1300 micromhos and 23.4 mA = pass/fail grade (65% of Spec value)

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

USA = usps priority or ground advantage

International = UPS FedEx or global post 7 day delivery signature or 14-21 day delivery global post depending on your location