"Daugava"
(radiogramophone)
Set Of Tubes:
6A7, 6B8S, 6N9S, 6P3S, 6E5S, 5Z4S.
Schematic diagram
here.
BASIC TECHNICAL DATA.
Frequency Range.............................................................LW 150-415 KHz (2000-723 m)
MW 520-1600 KHz (577-187 m)
SWI 12,1-9,45 KHz ( 24,7-31,7 m)
SWII 7,4-3,95 KHz (40,5-75,9 m)Intermediate Frequency........................................................................................ 465 KHz
Sensitivity, less than.......................................................LW, MW 150 mkV, SW 250 mkV
Reception Selectivity (frequency deviation +/-10 KHz), not less than (LW, MW)........30 dB
Second Channel Suppression, not less than ..................LW 50 dB, MW 46 dB, SW 12 dB
Power Output (total distortion 7%)...............................................................................2 W
Audio Frequency Response............................................................................100-5000 Hz
Power Consumption............................ ..............................................receiving mode 75 W
gramophone mode 85 WDimensions................................................................................................... 535õ316õ400
Weight......................................................................................................................21 Kg