2A3 Arcturus Vacuum Tube Mono Single Plate Engraved Base Tests high on TV7
Nice high testing Arcturus single plate 2A3. Tested on a TV7.
1 RARE Arcturus 2A3 Mono Single Plate Vacuum Tube Tested Strong ON TV – 7
This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Tube tested at- 60. Average new tube value – 58.
Sylvania 2A3 Vacuum Tube Electronic Tube Made in USA Sylvania 2A3 Model
Sylvania 2A3 Vacuum Tube Electronic Tube Made in USA Sylvania 2A3 Model
vacume tubes, 2….2A3 estate find one Raytheon and one tung sol
Two 2A3 tubes, one Raytheon one tung sol untested,,,,,look good. Estate find.
