• Country
• Great Britain (UK)

• Manufacturer / Brand
• Cossor, A.C.; London

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 146598

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

• Number of Tubes
• 4

• Valves / Tubes
• DK96 DF96 DAF96 DL96

• Main principle
• Superheterodyne (common); ZF/IF 470 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 5 inch = 12.7 cm

• Power out
• 0.2 W (unknown quality)

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

• from Radiomuseum.org
• Model: 551 - Cossor, A.C.; London

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

• Dimensions (WHD)
• 10 x 6.5 x 5.25 inch / 254 x 165 x 133 mm

• Notes
• Same chassis as model 552 (Attache case).

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

• Price in first year of sale
• 10.00 GBP

• Source of data
• -- Schematic

• Circuit diagram reference
• Radio and TV Servicing books (R&TVS) book

• Literature/Schematics (1)
• BRTR Service Sheet R117.

• Author
• Model page created by Keith Staines. See "Data change" for further contributors.

• Other Models

• Here you find 326 models, 248 with images and 191 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Cossor, A.C.; London