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Hongxing 红星 (Red Star) DF111

Hongxing 红星 DF111; Nanjing 南京东方无线... (ID = 821385) Radio
 
Hongxing 红星 DF111; Nanjing 南京东方无线... (ID = 821386) Radio
Hongxing 红星 DF111; Nanjing 南京东方无线... (ID = 817103) Radio
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Hongxing 红星 DF111; Nanjing 南京东方无线... (ID = 817103) Radio
Nanjing 南京东方无线...: Hongxing 红星 DF111 [Radio] ID = 817103 724x474
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For model Hongxing 红星 (Red Star) DF111, Nanjing 南京东方无线电厂 Nanjing Eastern Radio Factory; Nanjing:
Picture from the Transistor Radio Circuit Manual August 1981 vol. 1 of 5 (internal 03), page 317 for reference when somebody is uploading real photos and as reference for collectors, comparing models.
 
Country:  People's Republic of China
Manufacturer / Brand:  Nanjing 南京东方无线电厂 Nanjing Eastern Radio Factory; Nanjing
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 10: 3DG200 3DG200 3DG200 3DG200 3DG200 3AX31 3DX2 3AX81 2AP9 2AP9 2CP10 3DG6S 3DG6S
Main principle Super-Heterodyne (Super in general); ZF/IF 465 kHz; 4 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Hongxing 红星 DF111 - Nanjing 南京东方无线电厂
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 310 x 135 x 90 mm / 12.2 x 5.3 x 3.5 inch
Notes The model Hongxing 红星 DF111 (Red Star) has the following key features 主要性能: Frequency range 频率范围: broadcast band 525 - 1605 kc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 18 dB S/N. Set audio output 额定功率: 250 mW. Electric power consumption 电源消耗 at zero signal 零信号: 20 mA, at max. it is 120 mA. The IF is 465 kc. Loudspeaker impedance is 8 ohm. 3 diodes plus 2 transitors 3DG6S, used as diodes. 3DX2 is in the schematic - could it be 3BX2?
The manual 02 lists as factory Shanghai No.2 Radio Factory and manual 03 as Nanjing Dongfang (Eastern) Radio Factory 南京东方无线电厂. Manual 3 gives the details which manual 02 is not listing.

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



All listed radios etc. from Nanjing 南京东方无线电厂 Nanjing Eastern Radio Factory; Nanjing
Here you find 11 models, 5 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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