• Country
• Japan

• Manufacturer / Brand
• Kenwood, Trio-Kenwood Inc.; Komagane

• Year
• 1975–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 260242

• • alternative name: Trio Corp.
  • Brand: Jennen

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

• 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) / 120; 110-120; 220-240; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: AM-FM Stereo Tuner KT-7300 - Kenwood, Trio-Kenwood Inc.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 430 x 149 x 376 mm / 16.9 x 5.9 x 14.8 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case. Optional rack handles. With Signal and Tuning meters, FM Stereo indicator, on/off switches for MPX Filter and Muting, rotary Tuning and Output Level controls, 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, FM Multipath and FM Detector output, and a de-emphasis switch.

  Specification
  FM TUNER SECTION
  Frequency Range	88MHz-108MHz
  Antenna Impedance	300Ω balanced, 75Ω unbalanced
  Usable Sensitivity (IHF)	1.8µV
  50dB Quieting	3.8µV (MONO), 45µV (STEREO)
  Harmonic Distortion (at 400Hz 100% Mod)	0.1% (MONO), 0.2% (STEREO)
  S/N Ratio  (at 1mV Input 100% Mod)	75dB (MONO), 68dB (STEREO)
  Capture Ratio	1.0dB
  Selectivity (IHF ALT Channel)	≥ 80dB
  Image Rejection	≥ 85dB
  IF Rejection	≥ 90dB
  AM Suppression	≥ 60dB
  Spurious Signal Rejection	≥ 90dB
  Stereo Separation	400Hz 45dB, 50Hz-10kHz 35dB
  Sub Carrier Suppression	≥ 65dB
  Frequency Response	50Hz-10kHz +0.2dB,-0.3dB 30Hz-15kHz +0.2dB,-1.5dB
  AM TUNER SECTION
  Frequency Range	525kHz-1605kHz
  Usable Sensitivity (IHF)	18µV
  Harmonic Distortion	0.5%
  Image Rejection	≥ 60dB
  S/N Ratio (at 1mV Input 30% Mod)	50dB
  Selectivity (IHF ALT Channel)	35dB
  OUTPUT VOLTAGE/IMPEDANCE
  FM (at 400Hz 100% Mod)	0-1.2V/2.5kΩ
  AM (at 400Hz 30% Mod)	0-0.3V/2.5kΩ
  Multipath Output	0.2V/1kΩ
  FM DET Out	250mV/1.5kΩ

  Versions/Power requirements
  USA, Canada / 120V AC 50/60Hz
  General / 110-120/220-240 AC 50/60Hz with voltage selector
  Scandinavia / 220V AC 50/60Hz
  UK / 240V AC 50/60Hz
  Europe / 120/220V AC 50/60Hz with voltage selector

  Power Consumption:   20 Watts

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Mentioned in
• -- Original prospect or advert (1976 and 1977-78 Kenwood Hi-Fi Stereo catalogues)

• Literature/Schematics (1)
• - - Manufacturers Literature (Service manual Kenwood KT-7300 dated 1975)

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 881 models, 814 with images and 249 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane