• Country
• Great Britain (UK)

• Manufacturer / Brand
• Vidor Ltd.; Erith (Kent)

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 100658

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 DL94

• Main principle
• Superheterodyne (common); ZF/IF 475 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 200-250 / 7,5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Lido CN411 - Vidor Ltd.; Erith Kent

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

• Dimensions (WHD)
• 365 x 110 x 290 mm / 14.4 x 4.3 x 11.4 inch

• Notes

• Alternative tubesets: 1R5, 1T4, 1S5, 3V4 resp. X17, W17, ZD17, N19.

  Two alternate sets of batteries:

  HT lightweight: L5512 (Ever Ready B126) 3 pins or Heavy Duty L5039 (Ever Ready Portable 61) though the "heavy duty" type is a different connection (two wander plugs). The Service sheet shows the 3 pin connector  "docked"

  LT lightwieght:  L5048 (Ever Ready AD38) or Heavy Duty L5058 (Ever Ready AD42)

  While the main part of the case sides are steel with a "Rexine" style plasic coated cloth, the lid is of course plywood/hardboard (with same covering) to allow the loop aerial to function.

  The Export version replaces Longwave with Shortwave as was common on UK export models of many Brands.

  To open lid: Press down on the two metal plates on the edge beside leather handle.

  To replace batteries etc: Open the base.

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (1060)

• Literature/Schematics (2)
• Radio And Television Servicing books (R&TVS) (Vol I of first issue.)

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 146 models, 79 with images and 75 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vidor Ltd.; Erith (Kent)