Philips
model BX485A
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General
features
|
Circuit type |
Superheterodyne, 452kHz IF with
delayed AVC |
|
Dimensions |
450x335x240mm, 12kg |
|
Cabinet |
Bakelite, cloth grille behind
plastic dial. |
|
Loudspeaker |
200mm, moving coil, permanent
magnet |
|
Main controls |
Tone, volume/on-off, tuning,
waveband switch |
|
Connections |
Antenna, ground, PU, external
loudspeaker |
|
Power |
AC, 110 to 245V in 6 steps, 50W |
Wave
bands
|
MW |
185-580m |
|
MW local |
185-580m |
|
SW |
50-150m |
|
SW |
32-50m |
|
SW |
21.5-32m |
|
SW |
17-26m |
|
SW |
11.2-17m |
Circuits
and Tubes
|
Oscillator and mixer |
ECH21 triode-heptode |
|
IF amplifier and AVC |
EAF42 diode- remote cutoff pentode
|
|
Audio amplifier and detector |
EAF42 diode- remote cutoff pentode
|
|
Audio power amplifier |
EBL21 9W pentode-duodiode |
|
Rectifier |
AZ1 dual power diode |