3 6BG6GA SYLVANIA HiFi Ham TV Radio Amp Vacuum Tubes Matching Codes NR RAO NOS





3 6BG6GA SYLVANIA HiFi Ham TV Radio Amplifier Vintage Vacuum Tubes Matching Codes NR RAO NOS. Tubes Tested on a TV-7D/U Tester.
Tubes Test New, Strong & Balanced 52, 52 and 52.

