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KV11; Telefunken (ID = 43945) Ampl/Mixer
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KV11; Telefunken (ID = 50238) Ampl/Mixer
Telefunken: KV11 [Ampl/Mixer] ID = 50238 480x640
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For model KV11, Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Country:  Germany
Manufacturer / Brand:  Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Year: 1928–1930 Category: Audio Amplifier or -mixer
Valves / Tubes 3: RV218 or RV258 RGN1503 RGN1503
Main principle Audio-Amplification
Wave bands - without
Power type and voltage Alternating Current supply (AC)
Loudspeaker - This model requires external speaker(s).
Power out 3 W (unknown quality)
from Model: KV11 - Telefunken Deutschland TFK,
Material Metal case
Dimensions (WHD) 240 x 310 x 190 mm / 9.4 x 12.2 x 7.5 inch
Notes Kraft-Endverstärker.
Price in first year of sale 268.00 RM !
Source of data Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Lange + FS-Bestückungstabellen
Picture reference Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.

All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3471 models, 3040 with images and 2008 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.