Philips model 292V and 289BV
General
features
|
Radio type |
Accumulator battery powered table radio |
|
Circuit type |
Superheterodyne, 452kHz IF with simple AVC |
|
Dimensions |
mm, kg |
|
Cabinet |
Wood, cloth grille, printed glass dial |
|
Loudspeaker |
200mm, moving coil, permanent magnet |
|
Main controls |
Power, Volume, tone, waveband/PU switch, tuning, selectivity/sensitivity selection |
|
Extra controls |
Dial lamp switch |
|
Connections |
Antenna, ground, PU, external loudspeaker |
|
Power |
6V DC from storage battery, internal synchronous mechanical chopper and transformer. |
Wave
bands
|
LW |
700 - 2000m |
|
MW |
160 - 570m |
|
SW |
45 - 160m |
|
SW |
13.5 - 45m |
Circuits
and Tubes
|
RF preamplifier |
EF9 remote cutoff pentode |
|
Oscillator and mixer |
ECH3 triode-hexode |
|
IF amplifier |
EF9 remote cutoff pentode |
|
Detector, AVC and audio preamplifier |
EBF2 double diode / remote cutoff pentode |
|
Audio driver |
KC3 directly heated driver triode |
|
Class AB audio power amplifier |
KDD1 directly heated dual power triode |
|
Rectifier |
Synchronous mechanical chopper |