Radio constructor `` ULCH-1 '' (Low frequency amplifier).
Radio and electrical constructors, sets.Audio AmplifiersSince 1981, the radio designer "ULCH-1" (Low Frequency Amplifier) has been producing the Moscow Plant of Measuring Equipment. The set "ULF-1" consists of assembled and tuned ULF board and accessories. It is intended for the construction of radio equipment by novice radio amateurs. Supply voltage 12 V. Load resistance 4 ... 16 Ohm. Rated output power 1 W. Harmonic distortion 3%. The range of amplified frequencies is from 80 to 12500 Hz.
