• Country
• Japan

• Manufacturer / Brand
• Roland Electronics Co. Ltd., Rotel; Tokyo

• Year
• 1998

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 258969

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 230 Volt

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

• Power out
• 50 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Integrated Amplifier RA-921 - Roland Electronics Co. Ltd.,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 92 x 304 mm / 17.3 x 3.6 x 12 inch

• Notes

• 25 W / 8 Ohm / Channel.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Price in first year of sale
• 100.00 GBP

• Mentioned in
• -- Original-techn. papers.

• Other Models

• Here you find 340 models, 329 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roland Electronics Co. Ltd., Rotel; Tokyo