28-33B3
|
|
|
|
alternative name
|
American Bosch Magneto
|
Brand |
Essex |
|
Year:
1928
|
Category: Broadcast Receiver - or past WW2 Tuner |
| Valves / Tubes |
8:
|
| Main principle |
TRF (Tuned-Radio-Frequency but use of regeneration unknown)
|
| Tuned circuits |
4 AM circuit(s) |
| Wave bands |
Broadcast only (MW). |
| Details |
|
| Power type and voltage |
Alternating Current supply (AC) |
| Loudspeaker |
|
| Power out |
|
| from Radiomuseum.org |
Model: 28-33B3 - United American Bosch Magneto |
| Material |
Wooden case |
| Shape |
Console with any shape - in general |
| Notes |
One dial (primary tuning control knob) |
| Price in first year of sale |
212.00 $ |
| External source of data |
Ernst Erb |
| Source of data |
Radio Collector`s Guide 1921-1932 |
All listed radios etc. from United American Bosch (Magneto Corporation); Springfield (MA)
Here you find 412 models, 158 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
