• Country
• New Zealand-Aotearoa

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

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 345964

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

• Number of Tubes
• 5

• Valves / Tubes
• 6K8 or 6SA7 6U7G 6Q7G 6V6GT 6X5GT

• 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) / 230 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Pacemaker 516A - Cromwell, Gulbransen NZ,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 375 x 240 x 210 mm / 14.8 x 9.4 x 8.3 inch

• Notes

• 5 valve superhet broadcast (MW) mantel receiver.

  Uses 6SA7 converter from Serial No. 57301, see schematic amendment.

  See also Pacemaker 516, 515D & 515.2 models sharing the same/similar circuit.

• Mentioned in
• More Golden Age of Radio (Page 106)

• 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