• Country
• Great Britain (UK)

• Manufacturer / Brand
• Hacker Radio Ltd., Maidenhead

• Year
• 1964

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 84779

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

• Number of Transistors
• 7

• Semiconductors
• AF117 AF117 AF117 AC127 OC81D OC81 AC127

• 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 6 inch = 15.2 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Mini Herald RP17A - Hacker Radio Ltd., Maidenhead

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

• Dimensions (WHD)
• 230 x 160 x 90 mm / 9.1 x 6.3 x 3.5 inch

• Notes
• .

• Net weight (2.2 lb = 1 kg)
• 1.7 kg / 3 lb 11.9 oz (3.744 lb)

• Other Models

• Here you find 56 models, 56 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hacker Radio Ltd., Maidenhead