AM/FM Stereo Tuner TU-505

Sansui Electric Co., Ltd.; Tokyo

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  • Year
  • 1974 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 201663

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

 Technical Specifications

  • Number of Transistors
  • 28
  • 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
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner TU-505 - Sansui Electric Co., Ltd.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 407 x 115 x 278 mm / 16 x 4.5 x 10.9 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case with wooden side panels. With rotary Tuning control, Signal strength meter, FM Stereo indicator, on/off switches for Power, Noise Suppression and FM Muting and a rotary Selector switch (AM, FM Auto, FM Mono). On the back, an adjustable ferrite rod AM antenna, terminals for AM and FM antennae and Ground, RCA Phono sockets for Tape Rec output and Line output, an FM Local/Distant switch and an unswitched AC outlet.

    Specification  
    FM SECTION  
    TUNING RANGE 88-108MHz
    SENSITIVITY (IHF) 2.5µv
    TOTAL HARMONIC DISTORTION MONO < 0.6%, STEREO < 0.8%
    SIGNAL TO NOISE RATIO > 65dB
    SELECTIVITY > 50dB
    CAPTURE RATIO (IHF) < 2.5dB
    IMAGE FREQUENCY REJECTION > 50dB at 98MHz
    IF REJECTION > 60dB
    SPURIOUS RESPONSE REJECTION > 60dB
    STEREO SEPARATION > 35dB at 400Hz
    SPURIOUS RADIATION < 34dB
    FREQUENCY RESPONSE 30-15,000Hz +1dB,-2.5dB
    ANTENNA INPUT IMPEDANCE 300Ω balanced, 75Ω unbalanced
    ANTENNA ATT. 20dB
    AM SECTION  
    TUNING RANGE 535-1,605kHz
    SENSITIVITY (Bar Antenna) 50dB/m
    SELECTIVITY > 25dB
    IMAGE FREQUENCY REJECTION > 80dB/m at 1,000KHz
    IF REJECTION > 80dB/m
    OUTPUT 1V
    TAPE REC OUTPUT 0.4V

    Semiconductors: Transistors 27; FET 1; Diodes 19; IC 1
    Power Requirements: 100, 117, 220, 240V 50/60Hz with voltage selector
    Power Consumption: 16VA (Max.) , 14 Watts (Rated)

  • Net weight (2.2 lb = 1 kg)
  • 5.5 kg / 12 lb 1.8 oz (12.115 lb)
  • Price in first year of sale
  • 848.00 DM
  • Source of data
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operating Instructions and Service Manual Sansui TU-505)

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