• Country
• Great Britain (UK)

• Manufacturer / Brand
• Lissen Ltd.; London and Richmond, Surrey

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 223415

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• K50M K30K K30K K70D

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 2 & 9 & 60 &120 Volt

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

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

• from Radiomuseum.org
• Model: Picnic Portable 8168 - Lissen Ltd.; London and

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

• Notes
• The Ever Ready branded version is almost identical, the 5010.
  -9V and 60 from a multitap 120V dry battery. The Lead Acid 2V may be a Gel type.
  A variable capacitor and resistor are ganged for volume/reaction.
  An optional external aerial and earth is coupled to the dual loop LW /MW by a 3rd loop.

• Literature/Schematics (1)
• Wireless Retailer & Broadcaster August 1936

• Author
• Model page created by Michael Watterson. See "Data change" for further contributors.

• Other Models

• Here you find 159 models, 124 with images and 58 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lissen Ltd.; London and Richmond, Surrey