Sentinel 550 (Rider : Sentinel 2 P: 8) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Sentinel Radio Corp., Evanston, Illinois |
Model | 550 - Sentinel Radio Corp., Evanston |
Year: 1931 | Category: Broadcast Receiver |
Valves | 5: 36 39 36 38 25Z5 |
Technology | Superhet IF 265 kHz; 2 AF stage(s) |
Tuned Circuits | 6 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | Line / Storage batteries (perhaps also batteries) / 32; 6; 110 Volt |
Source | Book: Rider Vol: 2 Page: 8 |
Source | Book: Gernsback Vol: 4 Page: 244 |
Source | Book: Rider Vol: 5 Page: 9 |
Source | Book: Rider Vol: 7 Page: 7 |