RCA model 143
General
features
|
Radio type |
Mains powered table radio |
|
Circuit type |
Superheterodyne, 460kHz IF with delayed AVC |
|
Dimensions |
250 x 400 x 210mm, 6.35kg |
|
Cabinet |
Wood, cloth grille, printed celluloid dial |
|
Loudspeaker |
200mm, moving coil, electromagnet |
|
Main controls |
Volume/on-off, tuning, waveband switch |
|
Connections |
Antenna, ground |
|
Power |
AC, 220- 250V |
Wave
bands
|
LW |
|
|
MW |
|
|
SW |
|
|
SW |
|
Circuits
and Tubes
|
RF preamplifier |
6D6 remote cutoff pentode |
|
Oscillator and mixer |
6A7 heptode |
|
IF amplifier |
6D6 remote cutoff pentode |
|
Detector and audio preamplifier |
75 duodiode-triode |
|
Audio driver |
76 triode |
|
Audio power amplifier |
2x 42 power pentodes, push-pull |
|
Rectifier |
5Z3 directly heated dual power diode |