• Country
• Norway

• Manufacturer / Brand
• Kongsbergs Våpenfabrik; Kongsberg

• Year
• 1968 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 283362

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / DC: 48 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Main amplifier FH-61C - Kongsbergs Våpenfabrik;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 40 x 190 x 130 mm / 1.6 x 7.5 x 5.1 inch

• Notes

• Microphone amplifier and tone controls for broadcast mixing console. Fader buffer amp included: this module contains all active electronics needed for a mixing console. 

  Single supply (+48VDC, battery or external power supply). Transformer balanced input (MIC or line), unbalanced output, unbalanced insert send/return. Level diagram is quite different compared to modern analog desks, because of different clipping levels in various stages inside the unit.

• Literature/Schematics (1)
• - - Manufacturers Literature (data sheet (1969, 4 pages))

• Author
• Model page created by Matti Adolfsen. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 2 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kongsbergs Våpenfabrik; Kongsberg