• Country
• Japan

• Manufacturer / Brand
• Nippon Columbia Co.; Tokyo

• Year
• 1968 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 160956

• • Brand: Columbia

• Number of Tubes
• 11

• Valves / Tubes

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC)

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

• Power out
• 20 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Columbia MA-20 - Nippon Columbia Co.; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 453 x 145 x 337 mm / 17.8 x 5.7 x 13.3 inch

• Notes
• AM/FM Stereo Receiver with 10 Watts per channel RMS. (Music 2 x 15 Watts).
  11 Tubes, 7 Transistors, 12 Diodes.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Price in first year of sale
• 32,800.00 JPY

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 18 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nippon Columbia Co.; Tokyo