Huohua 火花 7A-80
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| Year: 1968 ?? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Semiconductors (the count is only for transistors) | 7: 3AG1B 3AG1B 3AG1B 3AX31A 3AX31A 3AX31A 3AX31A 2AP9 2AP9 |
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| Main principle | Super-Heterodyne (Super in general); ZF/IF 465 kHz; 3 AF stage(s) |
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| Tuned circuits | 5 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Dry Batteries / 3 Volt |
| Loudspeaker | Permanent or electro-dynamic (moving coil), system not known yet. |
| Power out | |
| from Radiomuseum.org | Model: Huohua 火花 7A-80 - Jiangsu 江苏南园无线电厂 |
| Material | Modern plastics (no Bakelite or Catalin) |
| Notes | The model Huohua 火花 7A-80 (sparkle) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: > 14 dB. Set audio output 额定功率: 100 mW. Electric power consumption 电源消耗 at zero signal 零信号: 20 mA, at max. 130 mA. The IF is most probably 465 kc. Loudspeaker impedance is 8 ohm. 3 diodes. |
| Literature/Schematics (1) | 02-Radio Manual unknown date, 380 pages (page 331.) |
Model page created by Ernst Erb. See "Data change" for further contributors.
All listed radios etc. from Jiangsu 江苏南园无线电厂 Jiangsu South Garden Radio Factory; (where?) (Jiangsu, E)
Here you find 1 models, 0 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
