• Country
• Japan

• Manufacturer / Brand
• Sansui Electric Co., Ltd.; Tokyo

• Year
• 1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 99424

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

• Number of Transistors
• 40

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 100; 110; 117; 127; 220; 230; 240; 250 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Solid State Stereophonic Tuner TU-999 - Sansui Electric Co., Ltd.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 17.125 x 6.125 x 12.5 inch / 435 x 156 x 318 mm

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case, wooden outer case optional. Three MOS-FET front-end with 4 gang tuning capacitor. With Tuning and Signal strength meters, a rotary Tuning control, FM stereo indicator, on/off push button switches for Power, MPX Noise Canceller, FM Stereo Only and Muting, rotary Selector switch (AM, FM Mono, FM Auto, FM Stereo),  On the back, an adjustable ferrite rod AM antenna, terminals for AM and FM antennae and Ground, RCA phono sockets for Line and Tape Recorder output, switches for De-emphasis (75µf,50µf) and AGC (Distant, Normal, Local), adjusters for Muting and left and right channel Levels and two AC outlets, 1 switched and 1 unswitched.

  Specification
  FM SECTION
  TUNING RANGE	88-108MHz
  SENSITIVITY (20dB quieting)	1.4µV, IHF: 1.8µv
  THD	< 0.5%(STEREO), < 0.3%(MONO)
  S/N RATIO	> 65dB
  SELECTIVITY	> 50dB
  CAPTURE RATIO (IHF)	1.5dB
  IMAGE FREQUENCY REJECTION	> 90dB
  IF REJECTION	> 100dB
  SPURIOUS RESPONSE REJECTION	> 100dB
  STEREO SEPARATION	> 38dB at 400Hz
  SPURIOUS RADIATION	< 34dB
  ANTENNA INPUT IMPEDANCE	300Ω balanced, 75Ω unbalanced
  AM SECTION
  TUNING RANGE	535 to 1,605kHz
  SENSITIVITY	150µV at 1,000kHz (bar antenna)
  SENSITIVITY (IHF)	30µV at 1,000kHz
  IMAGE FREQUENCY REJECTION	> 80dB at 1,000kHz
  SELECTIVITY	> 20dB at 1,000kHz
  OUTPUT	0 to 2V
  TAPE REC	0.4V

  Semiconductors: Transistors 37, FETs 3, ICs 3, Zener Diodes 2, Diodes 23
  Power Requirements
  100; 110; 117; 127; 220; 230; 240; 250V AC 50/60Hz with voltage selector
  Power Consumption: 20VA

• Net weight (2.2 lb = 1 kg)
• 22 lb 0 oz (22 lb) / 9.988 kg

• Source of data
• - - Data from my own collection

• Mentioned in
• -- Original prospect or advert (1971 Sansui Stereo Components catalogue)

• Literature/Schematics (1)
• - - Manufacturers Literature (Operating Instructions and Service Manual Sansui TU-999)

• Author
• Model page created by Jos Lauth. See "Data change" for further contributors.

• Other Models

• Here you find 417 models, 403 with images and 130 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sansui Electric Co., Ltd.; Tokyo