AM/FM Stereo Tuner RT-726

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 288558

 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; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: AM/FM Stereo Tuner RT-726 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 144 x 286 mm / 16.9 x 5.7 x 11.3 inch
  • Notes

  • A stereo hi-fi tuner covering MW and FM with NFB Phase Lock Loop Multiplex. With FM Tuning and Signal Strength Tuning meters, rotary line Output Level control, rotary Function switch (AM, FM, FM Auto), push button switches for Hi-Blend and Muting, 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 for FM Output for a four channel detector (whenever available).

    Specificaton  
    FM Tuner Section  
    Usable Sensitivity  
     Mono
     Stereo    		 9.8dBf (1.7µV/300Ω)
    17.2dBf (4.0µV/300Ω)
    50dB Quieting Sensitivity  
     Mono
     Stereo    		 14.5dBf (2.9µV/300Ω)
    36.1dBf (35µV/300Ω)
    Signal-to-Noise Ratio (at 65dBf)  
     Mono
     Stereo    		 76dB
    68dB
    Distortion (at 65 dBf)  
     100Hz
     1kHz
     6kHz    		 0.15%(mono), 0.3%(Stereo)
    0.2%(mono), 0.3%(Stereo)
    0.2%(mono), 0.35%(Stereo)
    Frequency Response 30Hz - 15,000Hz +0.2dB,-1dB
    Capture Ratio 1.0dB
    Alternate Channel Selectivity 65dB
    Spurious Response Ratio 78dB
    Image Response Ratio 60dB
    IF Response Ratio 80dB
    AM Suppression Ratio 55dB
    Muting Threshold 12dBf
    Stereo Separation 44dB (30Hz - 15kHz)
    Antenna Input 300Ω balanced, 75Ω unbalanced
    AM Tuner Section  
    Sensitivity 200µV/m (IHF, Ferrite antenna)
    11µV (IHF, ext. antenna)
    Selectivity 40dB
    Signal-to-Noise Ratio 55dB
    Image Response Ratio  45dB
    IF Response Ratio 50dB
    Antenna Built-in ferrite loopstick antenna

    Versions/Power Requirements
    120 V AC 60Hz
    220 V AC 50Hz
    240 V AC 50Hz
    120/220/240 V AC 50/60Hz Switchable

  • Net weight (2.2 lb = 1 kg)
  • 6 kg / 13 lb 3.5 oz (13.216 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical manual RT-426 RT-726)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Owner's manual RT-726 dated Nov 1978)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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