• Country
• Great Britain (UK)

• Manufacturer / Brand
• Hacker Radio Ltd., Maidenhead

• Year
• 1967–1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89935

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

• Number of Transistors
• 17

• Semiconductors
• BF195 BF195 BF194 BF194 BF194 BC108 BF194 AF117 AF117 AF117 AF117 BC108 BC108 OC71 AC128 AC128 AC176

• Main principle
• Superheterodyne (common); ZF/IF 470/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     11 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• 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
• 1.5 W (unknown quality)

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

• from Radiomuseum.org
• Model: Sovereign II RP25 - Hacker Radio Ltd., Maidenhead

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

• Dimensions (WHD)
• 12.75 x 10 x 4.75 inch / 324 x 254 x 121 mm

• Notes
• Separate AM and FM sections.

• Net weight (2.2 lb = 1 kg)
• 3 kg / 6 lb 9.7 oz (6.608 lb)

• Price in first year of sale
• 44.70 GBP

• Source of data
• - - Manufacturers Literature

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• 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