Philips
model 289A
General
features
|
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 |
None |
|
Connections |
Antenna, ground, PU, external
loudspeaker |
|
Power |
AC, 110-245V in 6 steps, 65W |
Wave
bands
|
LW |
700 - 2000m |
|
MW |
160 - 570m |
|
SW |
45 - 160m |
|
SW |
13.5 - 45m |
Circuits
and Tubes
|
RF preamplifier |
EF8 low noise remote cutoff
pentode |
|
Oscillator and mixer |
EK2 octode |
|
IF amplifier |
EF9 remote cutoff pentode |
|
Detector and AVC |
EAB1 triple diode |
|
Audio preamplifier |
EF6 sharp cutoff pentode |
|
Audio power amplifier |
EL3 9W pentode |
|
Rectifier |
AZ1 dual diode |
|
Voltage regulator |
4496X neon discharge tube |
|
Tuning indicator |
EM3 fluorescent tube-triode |