CN381B

• Country
• Great Britain (UK)

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

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 135947

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• DK91 DF91 DAF91 DL94

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ DL94 (1950)]

• 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
• Dry Batteries / 1.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

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

• from Radiomuseum.org
• Model: CN381B - Vidor Ltd.; Erith Kent

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

• Dimensions (WHD)
• 11.5 x 4 x 8 inch / 292 x 102 x 203 mm

• Notes

• Colours: Dark Red or Dark Green or Dark Brown/Cream Lizard.
  Earlier models had an IF of 456 Khz. Same as model 381A except medium wave aerial trimmer is omitted also CN381 used DL92 (1948)

• Net weight (2.2 lb = 1 kg)
• 2.4 kg / 5 lb 4.6 oz (5.286 lb)

• Mentioned in
• Radio And Television Servicing books (R&TVS) (Attaché Radios, by Mark Johnson)

• Literature/Schematics (1)
• Paul Stennings CD vol 4.

• Author
• Model page created by Keith Staines. 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)