National HRO50 Schematic purchase
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| National HRO50 (SM : ? 112 P: 7) |
| £1.80 (~ $2.20 or €2.10) |
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| Country | USA |
|---|---|
| Manufacturer | National Company; Cambridge & Malden (MA) |
| Alternative Name | National Toy Co. |
| Brand | Thrillbox |
| Model | HRO-50-T1 - National Company; Cambridge & |
| Year | Amateur-Receiver (amateur bands, may include broadcast bands) |
| Valves | 15: 6BA6 6BA6 6BE6 6C4 6H6 6J7 6V6GT 6V6GT 6SJ7 6H6 6SN7GT 0B2 5V4G 6SG7 6SG7 |
| Technology | Superhet with RF-stage; IF 455 kHz |
| Wave Bands | Broadcast, Long Wave and more than two Short Wave bands. |
| Power Type | Alternating Current supply (AC) / 110-120 / 220-240 Volt |
| Dimensions | 19.75 x 10.25 x 16.5 inch / 502 x 260 x 419 mm |
| Net Weight | 43 kg / 94 lb 11.4 oz (94.714 lb) |
| Initial Price | 335.00 $ |