Sparton 72 (Gernsback : Radio 5 P: 821) |
£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 72 - Sparks-Withington Co., Sparton |
Year: 1933-1934 | Category: Broadcast Receiver |
Valves | 7: 6D6 37 6D6 6D6 85 42 80 |
Technology | Superhet with RF-stage; IF 172.5 kHz; 2 AF stage(s) |
Tuned Circuits | 6 AM circuit(s) |
Wave Bands | Broadcast (MW) and Tropical/Marine/Police Band(s) = 150-200m. |
Power type | AC / 115 Volt |
Source | Book: gernsback Vol: 5 Page: 821 |
Source | Book: rider Vol: 4 Page: 13 |
Source | Book: rider Vol: 7 Page: 2 |