match pair RCA 201A US TUBES
201A can replace 01A 101A 301A
ORIGINAL BOX
Hanging Filament
Engraved Base
GLOBE
We use the TV-7 tester to thet them
you can see the test value in my pictures
(201A in TV-7 tester the MINI-mum value is 18)
thank you ,good luck .
《W3039》