• Country
• Spain

• Manufacturer / Brand
• Optimus; Gerona

• Year
• 1980 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 151774

• • alternative name: Pla Hermanos y Cía

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220; 24 Volt

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

• Power out
• 50 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: ARB50 - Optimus; Gerona

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 360 x 100 x 285 mm / 14.2 x 3.9 x 11.2 inch

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 195 models, 129 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Optimus; Gerona