AM/FM Stereo Tuner RT-624

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1976 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 307917

 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 or 117 or 220 or 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-624 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 140 x 330 mm / 16.9 x 5.5 x 13 inch
  • Notes

  • A stereo hi-fi tuner covering MW and FM. Signal Strength and Tuning meters, FM Stereo indicator, rotary controls for Line Output Level and Tuning, rotary switch for Function (AM, FM, FM Stereo), switches for Hi-Blend and Muting, push button for Power, an adjustable AM ferrite bar aerial on the back, terminals for AM and FM antennae, RCA phono sockets for Fixed and Variable Line Output and FM Detector Output and an unswitched AC outlet.

    Specification  
    FM Section  
    Sensitivity IHF 1.8µV
           50dB Quieting 3.3µV
    Signal-to-Noise Ratio > 70dB
    Harmonic Distortion Mono   < 0.3%
    Stereo < 0.5%
    Selectivity Alternate Channel >75dB
    Capture Ratio 1.0dB
    Stereo Separation at 1 kHz 40dB
    Spurious Response Rejection >90dB
    IF Rejection >90dB
    Image Rejection >80dB
    AM Suppression 54dB
    Output Level Fixed    775mV
    Variable 0 - 1.5V
    Dial Calibration Tolerance ±200 kHz
    Antenna 300Ω balanced, 75Ω unbalanced
    AM Section  
    AM Sensitivity IHF 180µV/m
    Image Rejection >50dB
    IF Rejection >40dB
    Signal-to-Noise Ratio 50dB
    Selectivity  40dB
    Antenna ferrite loopstick

    Versions/Power Requirements
    120 V AC 60Hz
    220 V AC 50Hz
    240 V AC 50Hz
    100/117/220/240 V AC 50-60Hz Switchable (Not available in UK, Canada or Scandinavia)

    Similar to the Rotel RT-624L model which additionally has LW.

  • Net weight (2.2 lb = 1 kg)
  • 8 kg / 17 lb 9.9 oz (17.621 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical Manual for the RT-624 & RT-824)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Owner's Manual for the RT-624)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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