Philips
model 338A
General
features
|
Circuit type |
Superheterodyne, 475kHz IF with
delayed AVC |
|
Dimensions |
390x410x310mm, 12.5kg |
|
Cabinet |
Veneered wood, wood ornaments,
cloth grille, removable celluloid dial in Bakelite bezel. |
|
Loudspeaker |
200mm, moving coil, permanent
magnet |
|
Main controls |
Tone, volume, tuning and waveband/PU/on-off
switch. |
|
Connections |
Antenna, ground, PU, external high
impedance loudspeaker |
|
Power |
AC, 110-245V in 6 steps, 50W |
Wave
bands
|
MW |
190-560m |
|
SW |
13-51m |
Circuits
and Tubes
|
RF preamplifier |
EF5 remote cutoff pentode |
|
Oscillator and mixer |
EK2 octode |
|
IF amplifier |
EF5 remote cutoff pentode |
|
Audio amplifier, Det. and AVC |
EBC3 duodiode-triode |
|
Audio power amplifier |
EL3 9W pentode |
|
Rectifier |
EZ3 indirectly heated dual power
diode |