Kolster Brandes 321 1931
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The network tube radio "Kolster Brandes 321" has been produced since 1931 by the company "Kolster Brandes", Great Britain. ,86e6f450b8cc469628ba70bf2947b049 The radio receiver is built according to a regenerative scheme on four radio tubes, one of which is a rectifier. ,86e6f450b8cc469628ba70bf2947b049 The model has two controls for a rough and smooth approach to the regeneration threshold. ,86e6f450b8cc469628ba70bf2947b049 The radio receiver operates in the long and medium wave ranges with overlapping margins. ,86e6f450b8cc469628ba70bf2947b049 The radio is powered by an alternating current network with a voltage of 180, 210 and 250 volts (switchable). ,86e6f450b8cc469628ba70bf2947b049 The speaker uses a loudspeaker with a diameter of 20.3 cm. The maximum output power is 1.5 W. ,86e6f450b8cc469628ba70bf2947b049 The dimensions of the radio receiver are 368 x 394 x 203 mm. ,86e6f450b8cc469628ba70bf2947b049 Weight is about 5 kg. ,86e6f450b8cc469628ba70bf2947b049 ,null,ru,null,null,null,null
Information from collection of Valery Khartchenko