Two National Union type 45 tubes
Tubes test 2080 and 1730 where 1300 micromhos is pass/fail
Hanging filaments
Black plate
One tube has slight defect in appearance. The silver getter flash coating has flaked off. No audible issues
NO SHORTS / NO GAS
FULL TEST RESULTS :
-Tube #1= 2080 micromhos and 27 mA plate current
-Tube #2= 1730 micromhos and 23.4 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