Brunswick 21 (Rider : Brunswick 2 P: 6) |
£1.80 (~ $2.20 or €2.10) |
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Country | USA |
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Manufacturer | Brunswick-Balke-Collender Co. |
Model | Model 21 DC - Brunswick-Balke-Collender Co. |
Year: 1930 | Category: Broadcast Receiver |
Valves | 9: UX201A UX201A UX201A UX201A UX201A UX171A UX171A UX171A UX171A |
Technology | TRF without regeneration; Neutrodyne |
Tuned Circuits | 4 AM circuit(s) |
Wave Bands | Broadcast only (MW). |
Power type | Direct Current supply (DC) / 110-125 Volt |
Source | Book: rider Vol: 2 Page: 6 |
Source | Book: gernsback Vol: 3 Page: 295&323 |
Source | Book: rider Vol: 3 Page: 9 |
Source | Book: rider Vol: 7 Page: 3 |