Radio constructor `` ULCH-20 W '' (final amplifier of low frequency).

Radio and electrical constructors, sets.Audio AmplifiersThe radio designer "ULCH-20 W" (final amplifier of low frequency) has been produced since 1982. RC is intended for assembling a monophonic PA designed to amplify signals from a tape recorder, turntable and pre-amplifier. Rated output power, at a load of 4 ohms 20 watts. Frequency range, with uneven frequency response - 0.5 dB - 20 ... 20000 Hz. Nominal input voltage 1 V. Harmonic distortion 0.7%. The relative level of interference is -70 dB.