7-70
 |
 |
 |
 |
Use red slider bar for more.
Bremer-Tully Mfg. Co: 7-70 [Radio] ID = 1201309 640x480
Select picture or schematic to display from thumbnails on the right and click for download.
|
|
||||
|
Brand
|
Counterphase | ||||
|---|---|---|---|---|---|
| Year: 1928 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 8: 26 26 26 27 27 171A 171A 80 |
| Main principle | TRF (Tuned-Radio-Frequency but use of regeneration unknown) |
|---|---|
| Details | |
| Power type and voltage | Alternating Current supply (AC) |
| Loudspeaker | |
| Power out | |
| from Radiomuseum.org | Model: 7-70 - Bremer-Tully Mfg. Co.; Chicago |
| Shape | Tablemodel, with any shape - general. |
| Notes | One dial (primary tuning control knob) |
| Price in first year of sale | 150.00 $ |
| Collectors' prices | |
| External source of data | Ernst Erb |
| Source of data | Radio Collector`s Guide 1921-1932 |
| Circuit diagram reference | Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931) |
| Mentioned in | Collector's Guide to Antique Radios 4. Edition |
All listed radios etc. from Bremer-Tully Mfg. Co.; Chicago (IL)
Here you find 46 models, 14 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
