• Country
• Great Britain (UK)

• Manufacturer / Brand
• Perdio Electronics Ltd. / Products Ltd.; London, Stanmore

• Year
• 1960 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 246088

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

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

• from Radiomuseum.org
• Model: Challenge C306 - Perdio Electronics Ltd. /

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

• Dimensions (WHD)
• 260 x 170 x 90 mm / 10.2 x 6.7 x 3.5 inch

• Net weight (2.2 lb = 1 kg)
• 1.270 kg / 2 lb 12.8 oz (2.797 lb)

• Author
• Model page created by Clive Forder. See "Data change" for further contributors.

• Other Models

• Here you find 62 models, 53 with images and 39 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Perdio Electronics Ltd. / Products Ltd.; London, Stanmore