Solid State Stereophonic Tuner TU-777

Sansui Electric Co., Ltd.; Tokyo

Data
Forum
Pictures
Collections

  • Year
  • 1968
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 162867

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

 Technical Specifications

  • Number of Transistors
  • 29
  • 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) / 100-117; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Solid State Stereophonic Tuner TU-777 - Sansui Electric Co., Ltd.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 13.5625 x 6.125 x 13.125 inch / 344 x 156 x 333 mm
  • Notes

  • A hi-fi AM/FM stereo tuner with a circular analogue dial housed in a metal case, a wooden outer case optional. FET front-end. With a Signal strength meter, rotary flywheel tuning control, an FM Stereo indicator, on/off switches for Power, Muting and MPX Noise Canceller, and a 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 Line output sockets, an AM Local/Distant switch, adjusters for Separation and output Level and an unswitched AC outlet.

    Specification  
    FM SECTION  
    FREQUENCY RANGE 88-108MHz
    SENSITIVITY (S/N 20dB, quieting)  
     Antenna input 300Ω balanced
     Antenna input 75Ω unbalanced    		 1.4µV ±3dB, 1.8µV ±3dB (IHF)
    0.7µV ±3dB, 1.0µV ±3dB (IHF)
    IMAGE REJECTION > 80dB (IHF)
    SELECTIVITY > 50dB (IHF)
    S/N RATIO > 65dB (60dB input, 100% mod.)
    HARMONIC DISTORTION < 0.8% (60dB input, 100% mod.)
    SPURIOUS RESPONSE REJECTION > 90dB
    IF REJECTION > 95dB
    SPURIOUS RADIATION < 34dB
    CAPTURE RATIO < 2.5dB (IHF)
    FM STEREO SEPARATION 35dB (60dB input, 100% mod.)
    AM SECTION  
    FREQUENCY RANGE 535-1,605KHz
    SENSITIVITY 15µV ±3dB (at 1,000KHz, S/N 20dB)
    SELECTIVITY > 20dB (at 1,000KHz, 60dB input)
    IMAGE FREQUENCY REJECTION > 50dB (at 1,000KHz)
    IF REJECTION > 100dB (at 1,000KHz)
    AUDIO OUTPUT 2V (from 0 to 2V variable)
    LOAD IMPEDANCE > 100kΩ

    Semiconductors: 28 transistors, 1 FET, 24 diodes, 1 Zener diode
    Power Requirements: 100-117V, 220-240V AC 50/60Hz
    Power Consumption: 10 VA

  • Net weight (2.2 lb = 1 kg)
  • 17.1 lb (17 lb 1.6 oz) / 7.763 kg
  • Price in first year of sale
  • 949.00 DM
  • Mentioned in
  • COMPO HiFi Preisliste November 1969
  • Literature/Schematics (1)
  • -- Original prospect or advert (1969 Sansui Stereo catalogue)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Operating Instructions and Service Manual Sansui TU-777)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum