• Country
• Spain

• Manufacturer / Brand
• Optimus; Gerona

• Year
• 1943

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 147246

• • 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

• Wave bands
• - without

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

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

• Power out
• 40 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 607 - Optimus; Gerona

• Shape
• Chassis only or for «building in»

• Notes

• Óptimus, Plá Hermanos y Cía; amplificador 198-M

  Puede usar uno o dos altavoces electrodinámicos tipo 488-CA, o bien 4 o 5 altavoces sobre línea de 500 Ω

  40 W clase AB2.

• Literature/Schematics (1)
• -- Original-techn. papers. (Memento Radio 1945)

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

• Other Models

• Here you find 208 models, 145 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Optimus; Gerona