• Country
• Denmark

• Manufacturer / Brand
• Brüel & Kjær; Nærum

• Year
• 1960 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 283664

• Number of Transistors
• 13

• Semiconductors
• BC177 LM301 LM301 SN72770

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Charge Amplifier 2651 - Brüel & Kjær; Nærum

• Shape
• Rack

• Notes

• Charge amplifier for acceleration measurement.

  Transistors are:  13 x BC177B

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Price in first year of sale
• 35,000.00 DKK

• Author
• Model page created by Erik Christensen. See "Data change" for further contributors.

• Other Models

• Here you find 63 models, 61 with images and 15 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brüel & Kjær; Nærum