AM/FM Stereo Tuner RT-300

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1979
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 285186

 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
  • Wooden case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-300 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 410 x 131 x 300 mm / 16.1 x 5.2 x 11.8 inch
  • Notes

  • A stereo hi-fi tuner covering MW and FM housed in a wooden case with a silver or black front with an analogue dial. NFB/ Phase Lock Loop Multiplex. Signal Strength meter, rotary Function switch (AM, FM, FM Auto), FM Stereo indicator, adjustable AM 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
     Stereo    		 10.9dBf (1.9µV/300Ω)
    20dBf (5.5µV/300Ω)
    50dB Quieting Sensitivity  
     Mono
     Stereo    		 17.8dBf (4.3µV/300Ω)
    39dBf (48µV/300Ω)
    Signal-to-Noise Ratio (at 65dBf)  
     Mono
     Stereo    		 75dB
    65dB
    Distortion (at 65dBf)  
     100Hz and 1kHz
     6kHz    		 0.2% (mono), 0.3% (stereo)
    0.3% (mono), 0.4% (stereo)
    Frequency Response 30 - 14,000Hz +0.2dB, 2.5dB
    Alternate Channel Selectivity 48dB
    Spurious Response Ratio 72dB
    Image Response Ratio 50dB
    IF Response Ratio 75dB
    AM Suppression Ratio 55dB
    Stereo Separation 30dB (30 - 15,000Hz)
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Sensitivity 240µV/m (IHF, ferrite antenna)
    13µV (IHF, ext. antenna)
    Selectivity 23dB
    Signal-to-Noise Ratio 50dB
    Image response Ratio 45dB
    IF Response Ratio 40dB
    Antenna Built-in ferrite loopstic 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 the UK, Canada or Scandinavia)

    Power Consumption :              16 watts

    Also see the similar Rotel RT-300 (RT-300L) LW/MW/FM Stereo Tuner which additionally has LW.

    ROTEL AM/FM Stereo Tuner RT300  - NFB Phase Lock Loop Multiplex - commutatore AM/FM/FM Auto - Led ricezione stereo - power consumption 16 watt -

  • Net weight (2.2 lb = 1 kg)
  • 3.6 kg / 7 lb 14.9 oz (7.93 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RT-300 Stereo Tuner dated 7903)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Technical Manual for the RT-300 Tuner and RA-300 Amplifier dated Jul 30 1979)
  • Author
  • Model page created by Edoardo Sigismondo. See "Data change" for further contributors.

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