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RAD23 ; Fidelity Radio Ltd.; (ID = 1670232) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 1670233) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 1670234) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 1670235) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 2254684) Radio RAD23 ; Fidelity Radio Ltd.; (ID = 2254685) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 2401917) Radio RAD23 ; Fidelity Radio Ltd.; (ID = 1670236) Radio
RAD23 ; Fidelity Radio Ltd.; (ID = 1064214) Radio RAD23 ; Fidelity Radio Ltd.; (ID = 1064941) Radio
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RAD23 ; Fidelity Radio Ltd.; (ID = 2254684) Radio
Fidelity Radio Ltd.;: RAD23 [Radio] ID = 2254684 1400x787
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For model RAD23, Fidelity Radio Ltd.; London
Country:  Great Britain (UK)
Manufacturer / Brand:  Fidelity Radio Ltd.; London
Year: 1973 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 11: BF195 BF195 BF195 BF194 BF195 BF195 AA119 AA119 AA119 BC159 BC149 AC127 AC128
Main principle Super-Heterodyne (Super in general); ZF/IF 470 / 10700 kHz; 4 AF stage(s); none
Tuned circuits 5 AM circuit(s)     6 FM circuit(s)
Wave bands Broadcast, Long Wave and FM or UHF.
Power type and voltage Batteries / addl. power jack / 9 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
Power out 0.5 W (unknown quality)
from Model: RAD23 - Fidelity Radio Ltd.; London
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 300 x 200 x 80 mm / 11.8 x 7.9 x 3.1 inch

Rear: Earphone/tape out, DC 9V in and Socket for car aerial. Though Silicon transistor -Ve ground, the outer of the external 9V DC jack socket is +Ve 9V PP9 battery last seen in local shops 2010. Still available online 2011. Rear cover held on by side carry handle screws. All "lockfit" Silicon except Audio Out is Germanium AC129 driver and AC127 + AC128 complementary output

The unlisted transistor is used as a bias diode (D4), for the AC127 & AC128 output stage.

  • LW 1200 - 2000m
  • MW 186 - 550m
  • FM/VHF/UKW 87.5 - 108 MHz

PP9 battery pack.

Sockets for car aerial, earphone/external speaker and 9V DC in (outer positive)

Net weight (2.2 lb = 1 kg) 1.880 kg / 4 lb 2.3 oz (4.141 lb)
Collectors' prices  
Source of data Radio And Television Servicing books (R&TVS)
Circuit diagram reference Radio and TV Servicing books (R&TVS) book
Mentioned in R&TVS 1974, page 484

Model page created by Michael Watterson. See "Data change" for further contributors.

All listed radios etc. from Fidelity Radio Ltd.; London
Here you find 65 models, 48 with images and 34 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.