• Country
• New Zealand-Aotearoa

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

• Year
• 1937 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 332006

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

• Number of Tubes
• 6

• Valves / Tubes
• 6S7G 6A8G 6S7G 6Q6G 41 80

• Number of Transistors

• Semiconductors
• Vibrator

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 230 and 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Cromwell 6CV Mantel - Cromwell, Gulbransen NZ,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 550 x 295 x 225 mm / 21.7 x 11.6 x 8.9 inch

• Notes

• 6-Valve plus vibrator, superhet with RF stage, dual wave mantel model receiver.

  Powered by AC mains or 6v battery. 

  See also Cromwell Model 6CV Portable dual use radio using the same chassis.

• Mentioned in
• -- Collector info (Sammler)

• Literature/Schematics (1)
• -- Original prospect or advert (Nelson Evening Mail 11 November 1937 Page 10)

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

• Other Models

• Here you find 110 models, 105 with images and 96 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