• 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
• 355742

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; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 50Hz, 230 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Gulbransen 07A [Console] - Cromwell, Gulbransen NZ,

• Shape
• Console with any shape - in general

• Notes

• Gulbransen 07A Console

  7-valve, AC-powered superhet with RF stage console receiver.

  Believed to be a version of the Gulbransen 07A chassis as the only known difference to the Tombstone Gulbransen 07A is an extra control knob on the pictured set. £27/10/-

  Manufactured by Wells-Gardner & Co.; Chicago. USA.

   

• Price in first year of sale
• 27.50 NZ £

• Mentioned in
• -- Original prospect or advert (Poverty Bay Herald 3 November 1933 Page 8)

• Literature/Schematics (1)
• Rider's Perpetual, Volume 4 = ca. 1934 and before (Page 4-9)

• 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