• Country
• Spain

• Manufacturer / Brand
• Optimus; Gerona

• Year
• 1952

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 118014

• • alternative name: Pla Hermanos y Cía

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 7

• Valves / Tubes
• 6J7 or 6C6 6J7 or 6C6 EL3 6L6G 6L6G 83 80

• Main principle
• Audio-Amplification; 4 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125 Volt

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

• Power out
• 40 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 198 - Optimus; Gerona

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 470 x 220 x 330 mm / 18.5 x 8.7 x 13 inch

• Notes
• 40 W clase AB2

• Net weight (2.2 lb = 1 kg)
• 25 kg / 55 lb 1.1 oz (55.066 lb)

• Source of data
• -- Original prospect or advert

• Mentioned in
• Anuncio Radiovision 10/1952

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Juan Ignacio Balada † 2009. See "Data change" for further contributors.

• Other Models

• Here you find 196 models, 130 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Optimus; Gerona