• Country
• Great Britain (UK)

• Manufacturer / Brand
• Mic Wireless Co, Wellingborough

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 203034

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Zampa Mark III Portable - Mic Wireless Co,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 18 x 18 x 7 inch / 457 x 457 x 178 mm

• Notes
• Tuned HF transformer, Grid leak detector plus two transformer-coupled LF valves. 250-560 metres. Built-in cone loudspeaker and aerial.

• Net weight (2.2 lb = 1 kg)
• 25 lb 0 oz (25 lb) / 11.350 kg

• Price in first year of sale
• 22.00 GBP

• Source of data
• Wireless World (The), London (WW, 79)

• Author
• Model page created by John Koster. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mic Wireless Co, Wellingborough