RCA 81 tube (ST-Shape, U.S. Navy Issue dated June 1943).
New old stock, in original box.
Tested and guaranteed 30 days.
- Substitutes: C-281, UX281, CV2546, PH281, 181_Arcturus, 481, X281
- EIA Base: UX-Base (4-pin)
- Filament Voltage: 7.5V
- Filament Current: 1.25A
- More information: Radiomuseum
This product was added to our catalog on Wednesday 30 March, 2016.