• Country
• Japan

• Manufacturer / Brand
• Nippon Columbia Co.; Tokyo

• Year
• 1971 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 160701

• • Brand: Columbia

• Number of Transistors
• 25

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 36 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Columbia PMA-300 - Nippon Columbia Co.; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 370 x 141 x 310 mm / 14.6 x 5.6 x 12.2 inch

• Notes
• Integrated Stereo Amplifier with 18 Watts per channel into 8 ohms.
  Low Filter -7dB (50Hz); High Filter-6dB (7kHz).
  25 Transistors, 14 Diodes, 1 IC.

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Price in first year of sale
• 39,800.00 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