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Huohua 火花 7A-80

Huohua 火花 7A-80; Jiangsu 江苏南园无线... (ID = 804544) Radio
Huohua 火花 7A-80; Jiangsu 江苏南园无线... (ID = 804546) Radio
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Huohua 火花 7A-80; Jiangsu 江苏南园无线... (ID = 804544) Radio
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Country:  People's Republic of China
Manufacturer / Brand:  Jiangsu 江苏南园无线电厂 Jiangsu South Garden Radio Factory; (where?) (Jiangsu, E)
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
Main principle Super-Heterodyne (Super in general); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 3 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from 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.