Philips model LX437AB, 1953

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General features

Circuit type

Superheterodyne, 452kHz IF with AVC

Dimensions

500x290x225mm, 10.75kg

Cabinet

Bakelite, combined plastic grille / dial

Loudspeaker

100mm, moving coil, permanent magnet

Chassis

Aluminium sheet metal

Main controls

Volume/on-off, AC power/battery power/charging, tuning, waveband switch

Connections

Antenna, ground

Power

AC 110, 150 or 220V 17W, or batteries 2x 1.5V and 2x 67.5V


Wave bands

MW

165-560m

SW

45-120m

SW

11-45m


Circuits and Tubes

Mixer preamplifier

DF96 remote cutoff pentode

Oscillator and mixer

DK92 octode

IF amplifier

DF96 remote cutoff pentode

Audio amplifier,det and AVC

DAF96 diode-sharp cutoff pentode

Audio power amplifier

DL94 pentode

Tuning indicator

DM71 fluorescent tube

Rectifier

selenium bridge