AM/FM Stereo Tuner TU-7700

Sansui Electric Co., Ltd.; Tokyo

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  • Year
  • 1975/1976
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 146593

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 127; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner TU-7700 - Sansui Electric Co., Ltd.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 434 x 130 x 243 mm / 17.1 x 5.1 x 9.6 inch
  • Notes

  • A hi-fi 2 band AM/FM Stereo Tuner with an analogue dial housed in a metal case with die-cast aluminum side panels. With Signal strength and Tuning meters, FM Stereo Indicator, rotary Tuning and Output Level controls, rotary Selector switch (AM, FM Mono, FM Auto), switches for Power, FM Muting, MPX Noise Canceller, FM Antenna Attenuator and Meter Selector (Signal/Multipath). On the rear panel, an AM bar antenna, terminals for FM and AM antennae, RCA phono sockets for variable Line Output and Tape recorder, terminals for FM Multipath Output and Discriminator output. Except for Europe, an AC outlet is fitted.

    Specification

    		  
    FM SECTION  
    TUNING RANGE 88 to 108MHz
    SENSITIVITY (IHF) 1.8µV
    QUIETING SLOPE
     
     
         		 40dB 1.8µV,
    50dB 3µV,
    60dB 10µV,
    70dB 50µV
    THD MONO: < 0.2%, STEREO: < 0.3%
    S/N RATIO > 75dB
    SELECTIVITY > 80dB
    CAPTURE RATIO < 1.5dB
    IMAGE FREQUENCY REJ. > 75dB at 98MHz
    IF REJECTION > 90dB at 98MHz
    SPURIOUS RESPONSE REJ. > 80dB at 98MHz
    SPURIOUS RADIATION < 34dB
    STEREO SEPARATION > 40dB at 1,000Hz
    > 30dB at 10,000Hz
    FREQUENCY RESPONSE 20 - 15,000Hz
    ANTENNA INPUT IMPEDANCE 300Ω balanced, 75Ω unbalanced
    FM ANTENNA ATT. -20dB
    AM SECTION  
    TUNING RANGE 535 - 1,605kHz
    SENSITIVITY (Bar Antenna) 50dB/m at 1,000kHz
    SELECTIVITY (±10kHz) > 30dB at 1,000kHz
    IMAGE FREQUENCY REJ. > 80dB/m at 1,000kHz
    IF REJECTION > 80dB/m at 1,000kHz
    OUTPUT  
    OUTPUT LEVEL (Variable) 0 to 0.775V at FM 100% mod.
    REC OUTPUT 0.4V

    Semiconductors

    14 Transistors, 1 FET, 14 Diodes, 1 Zener Diode, 6 ICs, 2 LEDs

    Versions/Power Requirements

    100, 117, 220, 240V AC 50/60Hz, Power Consumption 9 Watts (Rated)

  • Net weight (2.2 lb = 1 kg)
  • 6.9 kg / 15 lb 3.2 oz (15.198 lb)
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • - - Manufacturers Literature (1975/76 Sansui Hi-Fi Buyer's Guide)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating instructions Sansui TU-7700)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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