• Country
• Spain

• Manufacturer / Brand
• Optimus; Gerona

• Year
• 1955 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 151064

• • alternative name: Pla Hermanos y Cía

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: HF-3-E - Optimus; Gerona

• Notes
• 2 x Tweeters gemelos. 2 x Twin tweeters.

• Price in first year of sale
• 1,082.00 ESP

• Source of data
• - - Manufacturers Literature

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

• Other Models

• Here you find 197 models, 131 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Optimus; Gerona