• Year
  • 1960–1963
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 79491

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Dry Batteries / 2 x 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 8 inch = 20.3 cm
  • Power out
  • 1 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Herald RP10 - Hacker Radio Ltd., Maidenhead
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 12 x 8.5 x 4.5 inch / 305 x 216 x 114 mm
  • Notes
  • The Herald seven-transistor portable receiver. Interesting features of this are a specially-loaded large (8" x 5") loudspeaker, a one-watt push-pull output, and three-position tone control.
    Sockets are provided for an external aerial for use in a car and for connecting a microphone for using the receiver as a Baby Alarm. 

    Up to s/n 20000 Ediswan transistors fitted.
    April 1962 s/n 20001 onwards chassis revised, Transistors: 3 x AF117, OC71, OC81D 2 x OC81. 

  • Net weight (2.2 lb = 1 kg)
  • 2 kg / 4 lb 6.5 oz (4.405 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.

 Collections | Museums | Literature

Collections

The model Herald is part of the collections of the following members.

 Forum

Forum contributions about this model: Hacker Radio Ltd.,: Herald RP10

Threads: 1 | Posts: 1

Hi can you tell me where the 6 pins from the amp board go to I'm attempting to use the amp from a RP10 to repair a RP 38a I know the position on the RP38 (their printed on the board) but on the RP10 there's only numbers 1 to 6

Eddie Stevenson, 04.Aug.20

Weitere Posts (1) zu diesem Thema.