• Country
• New Zealand-Aotearoa

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

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 132553

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

• Number of Tubes
• 0

• Valves / Tubes
• or or or or

• Number of Transistors
• 7

• Semiconductors
• 2N247 2N544 2N247 2N544 2N219 2N412 2N410 OC71 OC71 OC72 OC72 OA85

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Transistorised-58 Trans-Portable 58 - Cromwell, Gulbransen NZ,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 11 x 8.25 x 4 inch / 279 x 210 x 102 mm

• Notes

• Collier & Beale, C & B Pacemaker Trans-Portable Transistorised 58 Radio.
  OA85 diode, distributed by H.W.Clarke (N.Z.) LTD.

  One of the world's first commercial transistor radios with a tuned RF stage.

  • Rola Type F 5" x 3½" elliptical speaker.
  • Eveready 509 or 744 6-volt battery.
  • Frequency Range: 530-1600 kHz

  Once you see and hear this new Pacemaker you'll want to own it. It outperforms the best valve sets... costs about 4d. for 40 hours playing!  At home, out driving, in bach or boat, you got broadcast performance second to none in a 7½ lb. carry-anywhere radio. Pacemaker's Transistorised 'circuit secret' makes possible such fabulous performance. Come along and see the handsome polished wood Pacemaker with its sparkling gold trim... hear the clear, rich tone you never thought possible in a set of this size. Don't wait...see us now! Only £37-10-0

  See also the earlier model Pacemaker Transistor 8 and the later model Pacemaker Transportable. 

  Part of the Transportable Series from Collier & Beale Ltd. 

  • Transistor 8 Transportable 1957
  • Transistorised-58 Trans-Portable 1958 (This model)
  • Transportable 1960 
  • Sportable 1960
  • Transportable TP63 1963
  • Transportable TP64 1964

• Price in first year of sale
• 37.50 NZ £

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Silicon Chip April 2014, page 82

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 114 models, 110 with images and 101 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