AM/FM Stereo Tuner RT-1025

Rotel, The, Co., Ltd.; Tokyo

Data
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  • Year
  • 1977
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 121651

 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) / 120 or 220 or 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-1025 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Rack
  • Dimensions (WHD)
  • 482 x 180 x 370 mm / 19 x 7.1 x 14.6 inch
  • Notes

  • AM/FM stereo tuner covering MW and FM. Illuminated frequency scale, three meters for FM Tuning, Signal Strength and Multipath. Rotary controls for Tuning and Output Level (for matching output level with amplifier's input level). Switches for High Blend, Multipath, FM De-emphasis and FM muting. Rotary Function switch (AM, FM Auto, FM Stereo only, FM Mono). FM Stereo indicator. Headphone socket with separate amplifier and volume control. Adjustable AM bar antenna on the back, RCA phono sockets for Fixed and Variable Line Output and for FM Detector Output, connections for AM and FM antennae and Ground, and an AC outlet.

    Specification  
    FM Tuner Section  
    Usable Sensitivity  
     Mono
     Stereo    		 8.8dBf (1.5µV/300Ω)
    11.5dBf (2.1µV/300Ω)
    50dB Quieting Sensitivity  
     Mono
     Stereo    		 11.5dBf (2.1µV/300Ω)
    36.0dBf (35µV/300Ω)
    Signal-to-Noise Ratio (at 65dBf)  
     Mono
     Stereo    		 80dB
    75dB
    Distortion (at 65dBf)  
     100Hz and 1kHz
     6kHz    		 0.1% (mono), 0.2% (stereo)
    0.2% (mono), 0.3% (stereo)
    Frequency Response 30Hz - 15,000Hz +0.3dB,-1 dB
    Capture Ratio 1.0dB
    Alternate Channel Selectivity 80dB
    Spurious Response Ratio 110dB
    Image Response Ratio 110dB
    IF Response Ratio 110dB
    AM Suppression Ratio 60dB
    Muting Threshold 10µV, 30µV (fixed)
    Stereo Separation 35dB (30Hz - 15kHz)
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Sensitivity 250µV/m (IHF, ferrite antenna),
    12.5µV (IHF, ext. antenna)
    Selectivity 40dB
    Signal-to-Noise Ratio 55dB
    Image Response Ratio 80dB
    IF Response Ratio 80dB
    Antenna Built-in ferrite Ioopstick antenna

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

    AM/FM-Stereo-Tuner. Beleuchtete Frequenzskala, Anzeigeinstrumente für Signal-Mitte, Feldstärke und Mehrwegempfang. Stereofilter. Regelbare Ausgangsspannung, 2stufige FM-Mutingschaltung. Eingebauter Kopfhörerverstärker mit getrennt regelbarer Abhörlautstärke, unabhängig vom Ausgangssignal.

  • Net weight (2.2 lb = 1 kg)
  • 10 kg / 22 lb 0.4 oz (22.026 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RT-1025)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for the RT-1025)
  • Author
  • Model page created by Peter Böhm. See "Data change" for further contributors.

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The model AM/FM Stereo Tuner is part of the collections of the following members.

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