Philips 586A interior
Philips model 586A and Mullard MAS230
Mullard
MAS230 interior
General
features
|
Radio type |
Mains powered table radio |
|
Circuit type |
Superheterodyne, 452kHz IF with delayed AVC |
|
Dimensions |
|
|
Cabinet |
Bakelite, cloth grille, printed glass dial |
|
Loudspeaker |
200mm, moving coil, permanent magnet |
|
Main controls |
Volume/on-off, tone, tuning, waveband switch |
|
Connections |
Antenna, ground |
|
Power |
AC, 110-245V in 6 steps, W |
|
Country of origin |
Great Britain |
Wave
bands
|
MW |
192 - 560m |
|
SW1 |
44.5 - 125m |
|
SW2 |
34.55 - 50m |
|
SW3 |
23.65 - 34.55m |
|
SW4 |
16.04 - 23.65m |
|
SW5 |
11.1 - 16.04m |
Circuits
and Tubes
|
Oscillator and mixer |
ECH21 triode-heptode |
|
IF amplifier and AVC delay |
EAF42 diode-remote cutoff pentode |
|
Detector, AVC and audio preamplifier |
EAF42 diode-remote cutoff pentode |
|
Audio power amplifier |
EBL21 11W duodiode-power pentode |
|
Rectifier |
AZ31 directly heated dual power diode |