Radio type

Mains powered table radio

Circuit type

Superheterodyne, 452kHz IF with delayed AVC

Dimensions

mm, kg

Cabinet

Bakelite, cloth grille, printed glass dial

Loudspeaker

Type AD3690A, 160x225mm oval, moving coil, permanent magnet.  800 Ohms impedance

Main controls

Volume,  tuning,  on-off and waveband pushbuttons.

Extra controls

Bass, treble, ferrite antenna direction, 'bandspread' tuning, ‘programmed’ sound tone selection

Connections

Antenna, ground, PU, loudspeaker

Antenna

Internal plate for SW, internal movable coil on ferrite for MW, external connection

Power

AC, 220V or 250V

MW

160-570m

SW1

160-570m

SW2

45-160m

SW3

13.5-45m

Oscillator and mixer

ECH81 triode-hexode

IF amplifier, detector and AVC

EBF89 remote cutoff pentode-duodiode-triode

Audio amplifier and phase inverter

ECC83 dual triode

Audio power amplifier

2x EL86 low impedance 12W pentodes in series push-pull, OTL coupled to loudspeaker

Rectifier

EZ80 dual power diode

Tuning indicator

EM80 fluorescent tube-triode