• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1995 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 175473

• 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).

• Power out
• 32 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Main Amplifier GM-40 - Pioneer Corporation; Tokyo

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 123 x 50 x 150 mm / 4.8 x 2 x 5.9 inch

• Notes
• Stereo Main Amplifier GM-40, Input Level 70 mV, Autput 2 x 16 Watt, Load Imp. 4 to 8 Ohms.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

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

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 1147 models, 1131 with images and 201 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Corporation; Tokyo