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Zhenzhu 珍珠 607

Zhenzhu 珍珠 607; Bengbu No.1 蚌埠无线电一厂 (ID = 814464) Radio
 
Zhenzhu 珍珠 607; Bengbu No.1 蚌埠无线电一厂 (ID = 814465) Radio
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Zhenzhu 珍珠 607; Bengbu No.1 蚌埠无线电一厂 (ID = 814464) Radio
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Country:  People's Republic of China
Manufacturer / Brand:  Bengbu No.1 蚌埠无线电一厂 Bengbu No.1 Radio Factory; Bengbu (Anhui, E)
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: 3DG8 3DG8 3DG8 3DG8 3AX31B 3AX31B 2AP9 2CP10 2CP10
Main principle Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 4.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Zhenzhu 珍珠 607 - Bengbu No.1 蚌埠无线电一厂 Bengbu No.
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 222 x 128 x 58 mm / 8.7 x 5 x 2.3 inch
Notes The model Zhenzhu 珍珠 607 (Pearl) 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. Set audio output 额定功率: 100 mW (250 mW). Electric power consumption 电源消耗 at zero signal 零信号: 12 mA, at max. it is 80 mA. The IF 中频频率 is most probably 465 kc. 3 diodes.
Literature/Schematics (1) 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 80)

Model page created by Ernst Erb. See "Data change" for further contributors.



All listed radios etc. from Bengbu No.1 蚌埠无线电一厂 Bengbu No.1 Radio Factory; Bengbu (Anhui, E)
Here you find 3 models, 1 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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