Sparton 420 AC (File : 0 Sparks Withington_Sparton-410_Junior_Jewel_42 |
£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 420AC - Sparks-Withington Co., Sparton |
Year: 1930 | Category: Broadcast Receiver |
Valves | 6: 224 224 427 183/483 183/483 280 |
Technology | TRF without regeneration; 1 AF stage(s); Screengrid 1926-1935 |
Tuned Circuits | 3 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | AC / 100-130 Volt |
Initial Price | 96.00 $ |
Source | Book: gernsback Vol: 2 Page: 411 |
Source | Book: rider Vol: 2 Page: 46 |
Source | Book: gernsback Vol: 2 Page: 400 |
Source | Book: rider Vol: 2 Page: 48 |