Solid State AM-FM Stereo Tuner KT-3500

Kenwood, Trio-Kenwood Inc.; Komagane

  • Year
  • 1969
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 188422
    • alternative name: Trio Corp.
    • Brand: Jennen

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

 Technical Specifications

  • Number of Transistors
  • 22
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • 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: Solid State AM-FM Stereo Tuner KT-3500 - Kenwood, Trio-Kenwood Inc.;
  • Shape
  • Rack
  • Dimensions (WHD)
  • 13 x 4.125 x 12.5 inch / 330 x 105 x 318 mm
  • Notes
  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a black metal case. With Signal and Tuning meters, FM Stereo indicator, rotary Tuning control, on/off switches for Power, MPX Noise Filter and Muting, and a rotary Selector switch (AM, FM Auto, FM Mono). On the back, an adjustable ferrite rod AM antenna, terminals for AM and FM antennae, RCA phono sockets for Line output and Mono output.        

    Specification  
    FM SECTION  
    USABLE SENSITIVITY IHF 1.9µV
    FREQUENCY RESPONSE 20Hz to 15,000Hz +0dB,-2dB
    HARMONIC DISTORTION
    (at 400Hz, 100% Mod.)
    Mono: < 0.6%
    Stereo: < 0.9%
    S/N RATIO (at 100% Mod.) > 60dB
    CAPTURE RATIO (IHF) 2.5dB
    IMAGE FREQUENCY REJECTION
    (at 100MHz)
    > 70dB
    IF REJECTION > 80dB
    SELECTIVITY (Alt. channel IHF) > 45dB
    STEREO SEPARATION > 35dB at 1,000Hz
    OUTPUT VOLTAGE
    (at 400Hz, 100% Mod.)
    1.0 Volt ±1dB
    SPURIOUS RADIATION < 34dB (50µV)
    ANTENNA IMPEDANCE 300Ω balanced, 75Ω unbalanced
    OUTPUT IMPEDANCE 200Ω
    STEREO NOISE FILTER Yes (High Frequency Blend Circuit)
    INTERSTATION MUTING Yes
    AM SECTION  
    USABLE SENSITIVITY (IHF)  15µV at 1,000kHz
    SELECTIVITY > 25dB
    IMAGE FREQUENCY REJECTION > 90dB at 1,000kHz
     OUTPUT VOLTAGE
    (at 400Hz, 30% Mod.)
    0.4 Volt ±1dB

    Power Requirements: 110-120V/220-240V AC 50/60Hz with voltage selector
    Power Consumption: 15 watts

  • Net weight (2.2 lb = 1 kg)
  • 10.8 lb (10 lb 12.8 oz) / 4.903 kg
  • Source of data
  • -- Schematic
  • Author
  • Model page created by Olaf Reitinger. See "Data change" for further contributors.

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