• Country
• Great Britain (UK)

• Manufacturer / Brand
• Selmer UK; London

• Year
• 1961 ?

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 304510

• Number of Tubes
• 0

• Valves / Tubes
• ECC83 ECC83 ECF82

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220-245 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Echo Chamber 200 - Selmer UK; London

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 12 x 8 x 4 inch / 305 x 203 x 102 mm

• Notes

• Tape Echo Chamber 

• Net weight (2.2 lb = 1 kg)
• 10.5 lb (10 lb 8 oz) / 4.767 kg

• Author
• Model page created by Bartosz Szwed. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 5 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Selmer UK; London