• Country
• Spain

• Manufacturer / Brand
• Roselson, Acústica Electrónica, S.L.; Barcelona

• Year
• 1965 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 310558

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 4 inch = 10.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Altavoz para agudos AF 4 TWT - Roselson, Acústica Electrónica

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 102 x 102 x 56 mm / 4 x 4 x 2.2 inch

• Notes

• Altavoz diámico de 15 Ω, 4" Ø y 4 W (6 W pico)

• Net weight (2.2 lb = 1 kg)
• 0.270 kg / 0 lb 9.5 oz (0.595 lb)

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

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

• Other Models

• Here you find 41 models, 31 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roselson, Acústica Electrónica, S.L.; Barcelona