Low frequency transistor amplifier `` ULCH-50 ''.
Amplifying and broadcasting equipmentThe low frequency transistor amplifier "ULF-50" has been produced since 1970 by the Vilnius counting machine plant. The amplifier is designed to amplify sound from various sources. There are six adjustable inputs with mixing capabilities. Providing the ability to connect two such amplifiers to increase power. The range of working amplified sound frequencies is 20 ... 20000 Hz. Maximum output power 50 W, nominal 35 W. The amplifier was sold both separately and with speakers such as "25KZ-1" or "25KZ-2".
