• 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
• 366491

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 or ECH42 6BA6 6AT6 or 6AV6 6AQ5 6X4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Pacemaker 5151 - Cromwell, Gulbransen NZ,

• Shape
• Tablemodel, with any shape - general.

• Notes

• Pacemaker 5151

  5-valve broadcast (MW) superhet receiver with 4" x 6" PM elliptical speaker, housed in a bakelite cabinet. Tuning frequency: 535 - 1530 kHz.

  ECH21 valve used up to S/N13259 and then replaced by ECH42.

  Manufactured by Collier & Beale Ltd.

• Mentioned in
• The Golden Age of Radio in the Home 1986 (Page 47)

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

• Other Models

• Here you find 145 models, 142 with images and 132 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