Brunswick S21 (Rider : Brunswick 1 P: 29) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Brunswick-Balke-Collender Co. |
Model | S-21 - Brunswick-Balke-Collender Co. |
Year: 1929-1930 | Category: Broadcast Receiver |
Transistors | D-110 |
Valves | 8: UY224 UY224 UY224 UY224 UY227 UX245 UX245 UX280 |
Technology | TRF without regeneration; 2 AF stage(s); Screengrid 1926-1935 |
Tuned Circuits | 4 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | AC / 100-130 Volt |
Initial Price | 154.00 $ |
Source | Book: Gernsback Vol: 1 Page: 110C |
Source | Book: Rider Vol: 1 Page: 29 |
Source | Book: Rider Vol: 3 Page: 11 |