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12SR7
1 X 12SR7 TUBE. RC17
1 X 12SR7 TUBE.
July 6, 2026
1 X 12SR7 ULTRON TUBE. RC17
July 6, 2026
12SR7 NOS Cunningham radio audio amplifier metal vacuum tubes 2 valves tested
Tubes tests.
July 6, 2026