• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1977–1980

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 192255

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 30 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Class-A Power Amplifier M22 - Pioneer Corporation; Tokyo

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 429 x 153 x 370 mm / 16.9 x 6 x 14.6 inch

• Notes
• Class-A Endstufe in offener Bauweise.

• Net weight (2.2 lb = 1 kg)
• 22 kg / 48 lb 7.3 oz (48.458 lb)

• Mentioned in
• Funkschau (2/1977, S. 84)

• Author
• Model page created by Peter Böhm. 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