• Country
• Japan

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

• Year
• 1975–1980

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 117862

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

• Number of Transistors
• Semiconductors present.

• 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) / 110; 120; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: AM/FM Stereo Tuner TU-9900 - Sansui Electric Co., Ltd.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 460 x 160 x 310 mm / 18.1 x 6.3 x 12.2 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case.

  Line-Ausgangspegel regelbar. Schaltbare Antennendämpfung, Stummabstimmung, Bandbreite und Störunterdrückung. Prüfsignalgenerator (-10 dB) für Tonaufzeichnungspegel. Ausgänge für FM-Dolby-Decoder und FM-Quadrofonie. Unterstützt die Antennen-Ausrichtung mit eingebautem Zeigermesswerk oder optional mit XY-Oszilloskop.

  Specification
  FM SECTION
  TUNING RANGE	88-108MHz
  SENSITIVITY	IHF 1.5µV, DIN 0.9µV
  QUIETING SLOPE  STEREO: WIDE                 NARROW	39dB (10µV), 53dB (50µV) 40dB (10µV), 54dB (50µV)
  MONO: WIDE              NARROW	61dB (10µV), 73dB (50µV) 61dB (10µV), 73dB (50µV)
  THD
  STEREO: WIDE	< 0.08% (1kHz), < 0.15% (10kHz)
  NARROW	< 0.8% (1kHz), < 1.2% (10kHz)
  MONO:   WIDE                 NARROW	< 0.06% (1kHz) < 0.5% (1kHz)
  S/N RATIO	> 76dB (stereo), > 80dB (mono)
  SELECTIVITY
  WIDE  NARROW	> 55dB (400kHz), > 5dB (200kHz) > 90dB (400kHz), > 20dB (200kHz)
  CAPTURE RATIO  WIDE  NARROW	< 1.0dB < 3.0dB
  AM SUPPRESSION	> 58dB
  IMAGE REJECTION	> 100dB (98MHz)
  IF REJECTION	> 110dB (98MHz)
  SPURIOUS REJECTION	> 110dB (98MHz)
  SPURIOUS RADIATION	< 34dB
  STEREO SEPARATION  WIDE  NARROW	> 50dB (1kHz) > 30dB (1kHz)
  FREQUENCY RESPONSE	30-15,000Hz +0.5dB,-0.8dB
  ANTENNA INPUT IMPEDANCE	75Ω unbalanced, 300Ω balanced
  AM SECTION
  TUNING RANGE	535 to 1,605kHz
  SENSITIVITY (Bar antenna)	45dB/m (1,000 kHz)
  SELECTIVITY	> 70dB (1,000kHz)
  IMAGE REJECTION	> 100dB/m (1,000kHz)
  IF REJECTION	> 100dB/m (1,000kHz)
  OUTPUT LEVEL
  OUTPUT	0 to 1V
  DOLBY FM	0.4V

  Versions/Power Requirements
  General / 100, 120, 220, 240V AC 50/60Hz
  USA & Canada / 120V AC 60Hz

  Power Consumption: 20 Watts (rated)

• Net weight (2.2 lb = 1 kg)
• 9.6 kg / 21 lb 2.3 oz (21.145 lb)

• Price in first year of sale
• 570.00 $

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

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• Funkschau (21/1978, S. 1005)

• Literature/Schematics (2)
• - - Manufacturers Literature (Service manual Sansui TU-9900)

• Literature/Schematics (3)
• -- Original prospect or advert (1975-76 Sansui Hi-Fi Buyer's Guide and 1978-79 Sansui Hifi catalogue)

• Author
• Model page created by Dirk Meyer. See "Data change" for further contributors.

• Other Models

• Here you find 423 models, 409 with images and 132 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sansui Electric Co., Ltd.; Tokyo