• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radio Supply Co.; Birmingham

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 205339

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

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

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

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• from Radiomuseum.org
• Model: Superfone Maxum V - Radio Supply Co.; Birmingham

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

• Dimensions (WHD)
• 17 x 18 x 7 inch / 432 x 457 x 178 mm

• Notes
• HF valve with tuned anode, HF valve with aperiodic interstage coupling, grid-leak detector, transformer-coupled LF valve, resistance-capacity-coupled LF valve. Wave range 200-500 and 1000-2000 metres. Enclosed frame aerial. Buit-in cone loudspeaker.

• Net weight (2.2 lb = 1 kg)
• 26 lb (26 lb 0 oz) / 11.804 kg

• Price in first year of sale
• 25.00 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 9 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Supply Co.; Birmingham