• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1979

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 121383

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Power Booster GB-40 - Sony Corporation; Tokyo

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 140 x 35 x 80 mm / 5.5 x 1.4 x 3.1 inch

• Notes
• 2× 20 W P_out, 2× 5 LED level meter, mic mixing.

• 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 3942 models, 3802 with images and 953 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo