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Brand
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Counterphase | ||||
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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) |
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Details | |
Power type and voltage | Alternating Current supply (AC) / 110 Volt |
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). Three position tone control. Phono jack. |
Price in first year of sale | 150.00 $ |
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 |
Literature/Schematics (1) | -- Schematic (La Riparazione degli Apparecchi Radio Delforno-Colciago - Lavagnolo - Italy - 1941) |
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.