Philips model 336A and 334A
334A interior
General
features
|
Radio type |
Mains powered table radio |
|
Circuit type |
Superheterodyne, 420kHz IF with simple AVC |
|
Dimensions |
|
|
Cabinet |
Veneered wood, cloth grille, rotating celluloid dial behind Bakelite bezel, cardboard back cover. |
|
Loudspeaker |
200mm, moving coil, permanent magnet |
|
Main controls |
Volume/on-off, tuning and waveband switch |
|
Extra controls |
Tone switch |
|
Connections |
Antenna, ground, external high impedance loudspeaker |
|
Power |
AC, 110-245V in various steps, 65W |
Wave
bands
|
LW (336A only) |
760-2000m |
|
MW |
200-560m |
|
SW3 (334A only) |
95-200m |
|
SW2 |
35-95m |
|
SW1 |
13-35m |
Circuits
and Tubes
|
Oscillator |
E409 triode |
|
Mixer |
E446 tetrode |
|
IF amplifier |
AF2 remote cutoff pentode |
|
Audio amplifier, detector and AVC |
E444N 'binode' (diode-tetrode) |
|
Audio power amplifier |
E443H 8W directly heated pentode |
|
Rectifier |
506 or 1805 directly heated dual power diode |