• Country
• Great Britain (UK)

• Manufacturer / Brand
• Collins & John Ltd., Birmingham (see also Collins W.H.)

• Year
• 1925 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 266371

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Amplex Roll Top - Collins & John Ltd.,

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• "Roll top in real oak or mahogany"

  1926 price: 6.15 GBP

• Mentioned in
• Wireless World (The), London (WW, 79) (1926 February Guide.)

• Author
• Model page created by Roy Johnson. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Collins & John Ltd., Birmingham (see also Collins W.H.)