Electromegaphone `` Echo-2 ''.
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Electric megaphonesSince 1980, the Echo-2 electric megaphone has been produced by the Kharkiv Radiodetal plant. The Echo-2 electric megaphone is designed to amplify speech within a radius of up to 20 meters and can be used by tour guides, trainers, bus drivers, etc. The electric megaphone consists of a microphone, a transistor amplifier, two loudspeakers and a power supply located in a plastic case. The electric megaphone reproduces the frequency range 200 ... 5000 Hz. Rated output power 2 W, maximum 4 W. The electric megaphone is powered by 4 flat batteries of the KBSL type. Current consumption without signal 20, with a maximum signal of 500 mA. Dimensions of the electric megaphone - 215x120x58 mm, weight 1.8 kg. Efficiency is maintained at temperatures from -40 to + 50 ° C.
