• Country
• Japan

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

• Year
• 1974 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 124890

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

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

• Number of Transistors
• 53

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 ; 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: KSQ-400 4-channel decoder amp - Kenwood, Trio-Kenwood Inc.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 340 x 110 x 290 mm / 13.4 x 4.3 x 11.4 inch

• Notes
• 4 channel decoder amplifier (SQ). Preamp for the front channels (to feed a power amp) and power amp for the additional rear speakers to get 4 channel sound.

• Net weight (2.2 lb = 1 kg)
• 4.9 kg / 10 lb 12.7 oz (10.793 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Klaus Bayer. See "Data change" for further contributors.

• Other Models

• Here you find 881 models, 814 with images and 250 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane