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Shanying 山鹰 743

Shanying 山鹰 743; Nantong No.4 南通无... (ID = 817963) Radio
 
Shanying 山鹰 743; Nantong No.4 南通无... (ID = 817964) Radio
Shanying 山鹰 743; Nantong No.4 南通无... (ID = 817538) Radio
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Shanying 山鹰 743; Nantong No.4 南通无... (ID = 817538) Radio
Nantong No.4 南通无...: Shanying 山鹰 743 [Radio] ID = 817538 596x504
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For model Shanying 山鹰 743, Nantong No.4 南通无线电四厂 Nantong No.4 Radio Factory; Nantong (Jiangsu, E):
Picture from the Transistor Radio Circuit Manual August 1981 vol. 1 of 5 (internal 03), page 219 for reference when somebody is uploading real photos and as reference for collectors, comparing models.
 
Country:  People's Republic of China
Manufacturer / Brand:  Nantong No.4 南通无线电四厂 Nantong No.4 Radio Factory; Nantong (Jiangsu, E)
Year: 1972 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 3AG1 3AG1 3AG1 3AX31 3AX31 3AX51A 3AX51A 2CP10 2AP9
Main principle Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 1.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Shanying 山鹰 743 - Nantong No.4 南通无线电四厂
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 140 x 80 x 40 mm / 5.5 x 3.1 x 1.6 inch
Notes The model Shanying 山鹰 743 (Mauntain Eagle) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 2 mV/m. Selectivity 选择性: 12 dB N/S. Set audio output 额定功率: 50 mW. Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, with signal max. 100 mA. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 16 ohm. 2 diodes.

The model Shanying 山鹰 743 has been manufactured (manual 02, page 242) by 南通无线电厂 Nantong Radio Factory and later (manual 03, page 219) by 南通无线电四厂 Nantong No.4 Radio Factory. Manual 03 lists the transistors as 3 x 3AG1, 2 x 3AX31 and 2 x AX51A, manual 02 lists 3AG1C, 2 x 3AG1B and 4 x 3AX31A.
Literature/Schematics (1) 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 219.)

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



All listed radios etc. from Nantong No.4 南通无线电四厂 Nantong No.4 Radio Factory; Nantong (Jiangsu, 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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