AM-FM Stereo Tuner KT-3300

Kenwood, Trio-Kenwood Inc.; Komagane

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  • Year
  • 1976–1979
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 299215
    • alternative name: Trio Corp.
    • Brand: Jennen

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

 Technical Specifications

  • Number of Transistors
  • 7
  • 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; 110-120; 220-240; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: AM-FM Stereo Tuner KT-3300 - Kenwood, Trio-Kenwood Inc.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 380 x 140 x 255 mm / 15 x 5.5 x 10 inch
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case, With a Tuning meter, FM stereo indicator, rotary Tuning control and switches for FM Mode (Auto,Mono) and band Selector (AM, FM). On the back, an adjustable ferrite rod AM antenna, terminals for AM and FM antennae and RCA phono sockets for Line output.

    Specification  
    FM TUNER SECTION  
    Frequency Range 88MHz-108MHz
    Antenna Impedance 300Ω balanced, 75Ω unbalanced
    Usable Sensitivity 1.9µV
    50dB Quieting
    56dB Quieting
    65dB Quieting    		 5µV
    10µV
    50µV
    Harmonic Distortion
    (at 400 Hz 100% Mod)    		 0.2% (MONO), 0.4% (STEREO)
    S/N Ratio
    (at 1mV Input 100% Mod)    		 70dB (MONO), 65dB (STEREO)
    Capture Ratio 1.0dB
    Selectivity (IHF Alt Channel) 60dB
    Image Rejection 60dB
    IF Rejection 90dB
    AM Suppression 50dB
    Spurious Signal Rejection 75dB
    Stereo Separation  
     400Hz
     50Hz-10kHz    		 30dB
    30dB
    Sub Carrier Suppression 40dB
    Frequency Response 30Hz-15,000Hz +0.2dB,-2.0dB
    AM TUNER SECTION  
    Frequency Range 525kHz-1605kHz
    Usable Sensitivity (IHF) 20µV
    Harmonic Distortion 0.9%
    Image Rejection 45dB
    S/N Ratio
    (at 1mV Input 30% Mod)    		 50dB
    Selectivity (IHF Alt Channel) 35dB
    OUTPUT Voltage/Impedance  
     FM (at 400Hz 100% Mod)
     AM (at 400Hz 30% Mod)    		 0.7V / 5.6kΩ
    0.15V / 5.6kΩ

    Versions/Power requirements
    K - USA / 120V AC 50/60Hz
    T - UK  / 240V AC 50/60Hz
    W - Europe / 120/220V AC 50/60Hz with voltage selector
    X - Australia / 110-120/220-240V AC 50/60Hz with voltage selector
    M - Others / 110-120/220-240V AC 50/60Hz with voltage selector

    Power Consumption: 10 Watts

    Later model revisions use ICs KB4402 and KB4409. Additionally, K type has a Muting board with 3 transistors and 1 diode.

  • Net weight (2.2 lb = 1 kg)
  • 5.3 kg / 11 lb 10.8 oz (11.674 lb)
  • Source of data
  • -- Original-techn. papers.
  • Mentioned in
  • -- Original prospect or advert (1976-77 and 1978-79 Kenwood Hi-Fi Stereo catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Schematic with Specification Kenwood KT-3300)

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