Murphy
model 152
General
features
|
Radio type |
Mains powered table radio |
|
Circuit type |
Superheterodyne, 455kHz IF with
delayed AVC |
|
Dimensions |
|
|
Cabinet |
Bakelite with slotted grille,
printed plastic dial |
|
Loudspeaker |
76 mm, moving coil, permanent
magnet |
|
Main controls |
Volume/on-off, tuning, waveband
switch |
|
Connections |
Antenna, ground |
|
Power |
AC, 110- 250V, autotransformer
(series heated tubes and one side of mains to chassis) |
Wave
bands
|
MW |
550 - 1600kHz |
|
SW1 |
2.5 - 8MHz |
|
SW2 |
8 - 22 MHz |
Circuits and Tubes
|
Oscillator and mixer |
10C1 triode - hexode |
|
IF amplifier |
10F9 remote cutoff pentode |
|
Detector and audio preamplifier |
10LD3 duodiode - triode |
|
Audio power amplifier |
10P14 power pentode |
|
Rectifier |
UY41 indirectly heated power diode
|