• Country
• New Zealand-Aotearoa

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

• Year
• 1951 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 345174

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

• Number of Tubes
• 7

• Valves / Tubes
• 6BA6 ECH21 6BA6 6AT6 or 6AV6 EM34 6AQ5 6X4

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Gulbransen 7251E - Cromwell, Gulbransen NZ,

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

• Dimensions (WHD)
• 582 x 322 x 270 mm / 22.9 x 12.7 x 10.6 inch

• Notes

• 7-Valve (including magic eye) superhet with RF stage dual wave table receiver with 8" PM speaker.

  See also model Cromwell 7251E.

• 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