Quartz PLL Synthesizer AM/FM Stereo Tuner RT-700

Rotel, The, Co., Ltd.; Tokyo

  • Year
  • 1981
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 308319

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120 or 220 or 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Quartz PLL Synthesizer AM/FM Stereo Tuner RT-700 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 91 x 293 mm / 16.9 x 3.6 x 11.5 inch
  • Notes
  • A quartz PLL synthesizer AM/FM stereo hi-fi tuner with a digital frequency display covering MW and FM. Press buttons for Standby, FM Mode/Muting (Stereo, Mono), AM, FM, FM Tuning (Auto/Manual), Tuning Down, Tuning Up, six preset buttons each of which can retrieve one stored FM and one stored MW radio station, Memory button, FM Stereo indicator and three Signal Strength LED indicators, an adjustable AM ferrite bar antenna on the back, connections for AM and FM antennae and RCA phono sockets for Line Output.

    Specification  
    FM Tuner Section  
    Usable Sensitivity (mono) 11.2dBf/2.0µV
    50dB Quieting Sensitivity Mono   15.2dBf/3.0µV
    Stereo  37.2dBf/40µV
    Signal-to-Noise Ratio  (at 65dBf) Mono    75dB
    Stereo  73dB
    Distortion (at 65dBf)  
     100Hz
     1 kHz
     6kHz 
    0.08% (mono), 0.1% (stereo)
    0.08% (mono), 0.2% (stereo)
    0.2%  (mono), 0.3% (stereo)
    Frequency Response 30-15,000Hz ,+0dB, -2dB
    Capture Ratio 1.0dB
    Alternate Channel Selectivity (±400kHz) 60dB
    Spurious Response Rejection 90dB
    Image Response Ratio 70dB
    IF Response Ratio 110dB
    AM Suppression Ratio 58dB
    Muting Threshold 15µV
    Stereo Separation 100Hz/1kHz/10kHz,
    45dB/48dB/40dB)
    Antenna 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Sensitivity 300µV/m
    Selectivity  40dB
    Signal-to-Noise Ratio 50dB
    Image Response Ratio 40dB
    IF Response Ratio 30dB
    Antenna Built-in ferrite loopstick antenna

    Versions/Power Requirements
    240 V AC 50Hz
    120/220/240 V AC 50/60Hz Switchable (not available in UK, Canada and Scandinavia)

    Power consumption :  9 watts

    Similar to the Rotel RT-700L MW/LW/FM model which additionally has LW and the Rotel RT-560 which has five presets and no auto-tuning.

  • Net weight (2.2 lb = 1 kg)
  • 3.9 kg / 8 lb 9.4 oz (8.59 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical Manual for the RT-700/L and RT-560/L tuners dated 81 05)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Owner's Manual for the RT-700 and RT-700L)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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