• Country
• Great Britain (UK)

• Manufacturer / Brand
• Epoch Radio Mfg. Co. Ltd. & Radio Development Co.; London

• Year
• 1930 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 260637

• Wave bands
• - without

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 inch = 50.8 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Loudspeaker unknown - inconnu - Epoch Radio Mfg. Co. Ltd. &

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 520 x 590 x 310 mm / 20.5 x 23.2 x 12.2 inch

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

• Author
• Model page created by Etienne Flemal. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Epoch Radio Mfg. Co. Ltd. & Radio Development Co.; London