Sparton 41 (Gernsback : CarRadio 1 Auto P: 227) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Sparks-Withington Co., (Sparton); Jackson, Michigan |
Model | Sparton 41 Police Auto Receiver - Sparks-Withington Co., Sparton |
Year: 1931 | Category: Car Radio, perhaps also + sound player/recorder |
Valves | 5: 36 36 36 37 38 |
Technology | TRF without regeneration; 1 AF stage(s); Screengrid 1926-1935 |
Tuned Circuits | 4 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | Batteries / -? & 6 & 45 or 67.5 & 135 or 180 Volt |
Source | Book: rider Vol: 2 Page: 31 |
Source | Book: gernsback Vol: 3 Page: 654 |
Source | Book: gernsback Vol: a Page: 227 |
Source | Book: rider Vol: 7 Page: 3 |