Antique radios, Old Time Radios
431T
| Principle |
Super-Heterodyne (Super in general); IF-Freq. 450 kHz |
| Wave bands |
Broadcast (MW), Police, sometimes also early TV (75-200m). |
| Power type and voltage |
Alternating Current supply (AC) / 110 Volt |
| Loudspeaker/pwr.out |
Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
|
| from Radiomuseum.org |
Model: 431T |
| Material |
Wooden case |
| Shape |
Console with any shape - in general (details not known). |
| Notes |
25cycle mains; |
All listed radios etc. from United American Bosch
Here you find 380 models, 82 with images and 101 with schematics.