• Country
• People's Republic of China

• Manufacturer / Brand
• Tecsun 德生通用电器制造有限公司 Tecsun General Electric Manufacturing Co., Ltd; Dongguan (Guangdong, SC)

• Year
• 2002

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 178274

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 16

• Semiconductors
• 9018_Transistor 9015_Transistor 9014 TA7358 LA1260 TA7343 CXA1622 2SK544 3SK133

• Main principle
• Superhet, double/triple conversion; ZF/IF 455 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, more than 2 SW bands plus FM or UHF.

• Power type and voltage
• Batteries / addl. power jack / AA: 4 x 1.5 / DC 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Tecsun 德生 R-9700DX - Tecsun 德生通用电器制造有限公...

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 181 x 116 x 31 mm / 7.1 x 4.6 x 1.2 inch

• Notes

• The radio model Tecsun 德生 R-9700DX is a world band receiver as a non-digital traditional type of radio. It is a double conversion superheterodyne. This model is or was available in 2 colors: silver-grey or black.
  
  FREQUENCY range: FM 87.0 ~ 108.0 MHz; MW 525 ~ 1610 kHz; SW 3.90 ~ 21.85 MHz. IF frequencies: 1st IF：10.7MHz. 2nd IF： 455kHz
  
  SHORTWAVE BANDS: SW1 3.90- 4.00MHz SW6 11.65-12.10MHz; SW2 4.70- 5.10MHz SW7 13.50-13.90MHz; SW3 5.90- 6.30MHz SW8 15.10-15.60MHz; SW4 7.00- 7.40MHz SW9 17.60-18.00MHz; SW5 9.50- 9.90MHz SW10 21.45-21.85MHz.
  
  SENSITIVITY: FM < 10 uv; broadcast (MW) < 1mv/m, SW < 30 uv.
  SELECTIVITY > 40dB.
  SPEAKER 16 OHM 250mW. EARPHONE Φ3.5 mm (STEREO)

  Each transistor/IC listed once only.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Source of data
• - - Manufacturers Literature

• Other Models

• Here you find 35 models, 34 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tecsun 德生通用电器制造有限公司 Tecsun General Electric Manufacturing Co., Ltd; Dongguan (Guangdong, SC)