Philips
model V4A
This V4A was the earliest version of a range of similar sets. The
radio has no conventional metal chassis. The main components are mounted
directly to the inside the Bakelite cabinet and interwired.
General features
Radio type |
Mains powered table radio |
Circuit type |
Superheterodyne, 128kHz IF with
delayed AVC |
Dimensions |
mm, 6.35kg |
Cabinet |
Bakelite, cloth grille, printed
celluloid dial |
Loudspeaker |
200mm, moving coil, permanent
magnet, type 9617 |
Main controls |
Volume/on-off, tuning, waveband
switch |
Extra controls |
none |
Connections |
Antenna, ground, gramophone |
Power |
AC, 110-245V in 6 steps, 53W |
Wave bands
LW |
725-1975m |
MW |
198-585m |
SW |
16.7-51m |
Circuits and Tubes
Oscillator and mixer |
AK2 octode |
IF amplifier |
AF3 remote cutoff pentode |
Detector and audio amplifier |
ABC1 duodiode-triode |
Audio power amplifier |
AL4 power pentode |
Rectifier |
AZ1 directly heated dual power
diode |