LW/MW/FM Stereo Tuner RT-830L

Roland Electronics Co. Ltd., Rotel; Tokyo

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  • Year
  • 1985
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 288611

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: LW/MW/FM Stereo Tuner RT-830L - Roland Electronics Co. Ltd.,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 66 x 285 mm / 16.9 x 2.6 x 11.2 inch
  • Notes

  • CopyAn AM/FM stereo hi-fi tuner covering LW, MW and FM with an analogue dial with an LED dial pointer. With a rotary Tuning control, a 5 LED signal strength indicator, FM stereo indicator, switches for Power, Band (LW/MW, FM), Mode (Stereo/Mono Mute Off) and AM Filter (On/Off), an adjustable AM loop antenna on the back, connections for AM and FM antennae and RCA phono Line Output sockets.

    Specification  
    FM Tuner Section  
    Usable Sensitivity (mono) 10.8dBf/1.9µV
    50dB Quieting Sensitivity Mono   16dBf/3.5µV
    Stereo  39.4dBf/50µV
    Signal-to-Noise Ratio  (at 65dBf) Mono   80dB
    Stereo  73dB
    Harmonic Distortion (at 65dBf) 1 kHz 0.08% (mono), 0.3% (stereo)
    Frequency Response 35 - 15,000Hz ,+1.5dB, -1.5dB
    Capture Ratio 1.5dB
    Alternate Channel Selectivity (±400kHz) 60dB
    Spurious Response Rejection 85dB
    Image Response Ratio 55dB
    IF Response Ratio 90dB
    AM Suppression Ratio 55dB
    Stereo Separation 100Hz/1kHz/10kHz,
    36dB/40dB/32dB)
    Antenna 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Sensitivity MW: 350µV/m, LW: 750µV/m
    Selectivity  35dB
    Signal-to-Noise Ratio 60dB
    Image Response Ratio 40dB
    IF Response Ratio 40dB
    Antenna Loop antenna

    Versions/Power Requirements,
    220 V AC 50Hz
    240 V AC 50Hz

    Similar to the Rotel RT-830 model which does not have LW.

  • Net weight (2.2 lb = 1 kg)
  • 3.1 kg / 6 lb 13.3 oz (6.828 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Owner's Manual for the RT-830 and RT-830L)
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Technical Manual for the RT-830 and RT-830L)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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