• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1979

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 121407

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Head Amplifier HA-55 - Sony Corporation; Tokyo

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 135 x 90 x 345 mm / 5.3 x 3.5 x 13.6 inch

• Notes
• Moving coil system input, standard amplifier level output, 6 - 500.000 Hz.

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Mentioned in
• Sony IFA Katalog 1979

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3914 models, 3774 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo