• Country
• Great Britain (UK)

• Manufacturer / Brand
• Metropolitan-Vickers (Metro-Vick, Cosmos); GB

• Year
• 1924

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 76350

• • Brand: Cosmos-valves

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Audio-Amplification

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Cosmos Amplifying Unit A5 - Metropolitan-Vickers Metro-

• Shape
• Chassis only or for «building in»

• Notes
• BBC/PMG stamp, GPO No.5147. Double filament rheostats for bright or dull emitters. Together with VR3 in Radiophone.

• Source of data
• Radio! Radio!

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 39 models, 37 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metropolitan-Vickers (Metro-Vick, Cosmos); GB