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137W

137W; Braun; Frankfurt (ID = 277156) Radio
 
137W; Braun; Frankfurt (ID = 277157) Radio
 
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137W; Braun; Frankfurt (ID = 707780) Radio
Braun; Frankfurt: 137W [Radio] ID = 707780 700x520
Select picture or schematic to display from thumbnails on the right and click for download.
For model 137W, Braun; Frankfurt:
Bild zum gleich aussehenden Modell automatisch kopiert statt wie bisher verknüpft (05.Jan.2010 EE).
 
Country:  Germany
Manufacturer / Brand:  Braun; Frankfurt
Year: 1936–1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: AK2 AF7 AL4 AZ1
Main principle Superhet, single span (BC/MW and LW in 1 band); ZF/IF 1540 kHz; Reaction
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110; 125; 150; 220; 240 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out 4.5 W (unknown quality)
from Radiomuseum.org Model: 137W - Braun; Frankfurt
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 420 x 283 x 310 mm / 16.5 x 11.1 x 12.2 inch
Notes

Braun Einbereichssuper 137W.
Telefunken & Huth Bauerlaubnis.
Lautsprecher vom Ausgangstrafo primärseitig abschaltbar; Ausgang für 2. LS: 7000 Ohm; Bandbreiten- und Empindlichkeitsregler; abschaltbare Interferenzsperre.

Price in first year of sale 199.00 RM
Source of data Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Lange+Schenk+FS-Röhrenbestückung
Picture reference Das Modell ist im «Radiokatalog» (Erb) abgebildet.


All listed radios etc. from Braun; Frankfurt
Here you find 1039 models, 905 with images and 644 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.





  
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