Halson 515SW (Rider : - 3 P: 1) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Halson Radio Mfg. Co.; New York City (NY) |
Model | 515-SW - Halson Radio Mfg. Co.; New |
Year: 1931 | Broadcast Receiver |
Valves | 5: 35 35 24 47 80 |
Technology | TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 AF stage(s) |
Tuned Circuits | 2 AM circuit(s) |
Wave Bands | Broadcast (MW), Police, sometimes also early TV (75-200m). |
Power Type | Alternating Current supply (AC) / 110-120 Volt |
Source | Book: Gernsback Vol: 2 Page: 491 |
Source | Book: Rider Vol: 3 Page: 1 |
Source | Book: Rider Vol: 7 Page: 9 |
Source | Book: Gernsback Vol: 2 Page: 492 |