• Country
• Great Britain (UK)

• Manufacturer / Brand
• Columbia Graphophone Co.; London

• Year
• 1935 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 329587

• Number of Tubes
• 5

• Valves / Tubes
• MX40 VMS4 MHD4 MPT4 MU12

• Main principle
• Superheterodyne (common); ZF/IF 125 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 9 inch = 22.9 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Superhet Table Grand 357 - Columbia Graphophone Co.;

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 370 x 445 x 270 mm / 14.6 x 17.5 x 10.6 inch

• Notes

• Similar to the Marconiphone 264, 297, and 287, also similar to the HMV 441, 444 and 541.

• Net weight (2.2 lb = 1 kg)
• 17 kg / 37 lb 7.1 oz (37.445 lb)

• Mentioned in
• -- Original prospect or advert (Graces Guide)

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (577 dated July 4 1942)

• Author
• Model page created by Lee Swan. See "Data change" for further contributors.

• Other Models

• Here you find 51 models, 28 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Columbia Graphophone Co.; London