AM-FM Synthesized Stereo Tuner 700T

Kenwood, Trio-Kenwood Inc.; Komagane

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  • Year
  • 1974–1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 289346
    • alternative name: Trio Corp.
    • Brand: Jennen

Click on the schematic thumbnail to request the schematic as a free document.

 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) / 110-120; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM-FM Synthesized Stereo Tuner 700T - Kenwood, Trio-Kenwood Inc.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 440 x 140 x 300 mm / 17.3 x 5.5 x 11.8 inch
  • Notes

  • A hi-fi AM/FM stereo synthesized tuner with an analogue dial housed in a metal case. With Signal/Multipath meter, rotary Tuning and Output Level controls, indicators for FM Stereo and FM station tuning, rotary switches for 2 stage Muting and Selector (AM, FM Auto, FM Stereo Only, FM Mono), push buttons for Power, MPX Noise Filter, PNBS (Pulse Noise Blanker  System), Multipath and Dimmer and a jack for Headphones. On the back, an adjustable ferrite rod AM antenna, a 75 ohm coaxial connector for FM antenna, terminals for AM and FM antennae, RCA phono sockets for line Output, Tape Recorder Output, FM Multipath Output, 4 channel Detector Output and a rotary Headphones Level control.

    Specification  
    FM SECTION  
    Usable Sensitivity 1.8µV
    40dB Quieting Sensitivity 1.8µV
    50dB Quieting Sensitivity 4µV
    Ultimate S/N Ratio 73dB at 200µV input
    Ultimate THD at 80µV Input 0.15% at 1kHz
    Image Rejection 100dB
    Frequency Response 20Hz-15kHz +0dB,-1.5dB
    Capture Ratio 1.3dB
    AM Suppression 65dB
    Selectivity (IHF ALT channel) 100dB
    SCA Rejection 65dB
    Antennae 300Ω balanced,75Ω unbalanced
    FM STEREO  
    50dB Quieting Sensitivity 45µV
    Stereo Separation
     
         		 40dB at 100Hz
    45dB at 1kHz
    35dB at 10kHz
    Sub-Carrier Rejection  65dB
    Ultimate THD at 800µV Input 0.25% at 1kHz
    AM SECTION  
    Usable Sensitivity (IHF) 13µV
    S/N Ratio 50dB at 1mV input
    Image Rejection 70dB
    Selectivity (IHF) 40dB
    IF Rejection 70dB
    Output Voltage  
    FM (at 400Hz 100% modulation)        
    AM (at 400Hz 30% modulation)      		 1.5V, 100Ω
    0.15V, 100Ω
    Multipath Output V and H 0.13V, H 130kΩ, V 30kΩ
    4 Channel Detect Out 0.15V, 10kΩ

    Power Requirement: 110-120V/220-240V AC 50/60Hz with voltage selector
    Power Consumption: 85 Watts

    Very similar to the Japanese market Trio Supreme 700T AM-FM Synthesized Stereo Tuner which is housed in a wooden case.

  • Net weight (2.2 lb = 1 kg)
  • 13.4 kg / 29 lb 8.2 oz (29.515 lb)
  • Mentioned in
  • -- Original prospect or advert (1974 Kenwood HiFi and 1977-78 Kenwood Hi-Fi Stereo catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Instruction Manual Kenwood model 700T)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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