"Minsk-55"

Set Of Tubes:
6K3, 6A7, 6K3, 6B8S, 6K3, 6G2, 6N9S, 6P6S, 6P6S, 6E5S, 5Z4S.

Schematic diagram here.

BASIC TECHNICAL DATA.

Frequency Range.............................................................LW 150-410 KHz (2000-732 m)
MW 520-1600 KHz (577-187 m)
SWI 11,5-12,1 MHz (26,1-24,9 m)
SWII 9,1-9,8 MHz (33-30,6 m)

SWIII 6,31-10 MHz (47,5-30 m)
SWIV 3,95-6,26 MHz (76-48 m)

Intermediate Frequency........................................................................................ 465 KHz

Sensitivity, less than................................................................................................50 mkV

Reception Selectivity (frequency deviation +/-10 KHz), not less than..........................50 dB

Second Channel Supression, not less then ....................LW 60 dB, MW 50 dB, SW 26 dB

Power Output .............................................................................................................4 W

Audio Frequency Response.............................................................................60-6500 Hz

Power Consumption.................................................................................................120 W

Dimensions................................................................................................... 712377504

Weight......................................................................................................................45 Kg