• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Cromwell, Gulbransen (NZ), Pacemaker, (Brands) Clarke, H. W.; Wellington

• Year
• 1940 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 343391

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A7 6D6 6B7 42 6G5 80

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Cromwell 520 [Console] - Cromwell, Gulbransen NZ,

• Shape
• Console with any shape - in general

• Notes

• 6-Valve (including magic eye) dual wave console model receiver.

  See also Cromwell Model 520 Table radio.

  Manufactured by Collier & Beale Ltd for H. W. Clarke Ltd. 

• Author
• Model page created by Brian Stevens. See "Data change" for further contributors.

• Other Models

• Here you find 117 models, 113 with images and 104 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Cromwell, Gulbransen (NZ), Pacemaker, (Brands) Clarke, H. W.; Wellington