B47
One Vintage 1S5 NOS Tube Tested for
Trans-Oceanic Shortwave Radio
Tube is NOS , test good for emissions with no shorts or leaks
Tester: HICKOK 532
One Vintage 1S5 NOS Tube Tested for
Trans-Oceanic Shortwave Radio
Tube is NOS , test good for emissions with no shorts or leaks
Tester: HICKOK 532