• Country
• New Zealand-Aotearoa

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 335207

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

• Number of Tubes
• 7

• Valves / Tubes
• 6D6 6C6 6D6 37 37 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• 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: Gulbransen 07A [Tombstone] - Cromwell, Gulbransen NZ,

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

• Dimensions (WHD)
• 375 x 470 x 315 mm / 14.8 x 18.5 x 12.4 inch

• Notes

• 7-valve, AC-powered superhet with RF stage.

  An export version of the US Wells-Gardner & Co.; Chicago, Model 07A, modified to work on 230 VAC.

  See also Gulbransen 07A Console.

   

   

• Price in first year of sale
• 22.50 NZ Pound

• Mentioned in
• More Golden Age of Radio (Page 179)

• Literature/Schematics (1)
• -- Original prospect or advert (Poverty Bay Herald, Volume 8 Nov 1933, Page 6.)

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

• Other Models

• Here you find 123 models, 120 with images and 110 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