Electro-acoustic unit "VEF".
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Active speaker systemsSince 1971, the VEF electro-acoustic unit has been produced by the VEF Riga plant. The electroacoustic unit consists of a bass amplifier operating on two dynamic heads such as 4GD5 and 2GDZ with voice coil impedance of 8 and 12.5 ohms. The VEF unit is designed to amplify the electrical sound signals of adapters, portable receivers, tape recorders. Rated output power 3 W, maximum 6 W. Sensitivity from the input of the radio receiver 10 mV, pickup and tape recorder 250 mV. The frequency range of the electrical path is 80 ... 12500 Hz, with an uneven frequency response - 14 dB, the range of tone control for HF and LF is 12 dB. The unit is powered from the AC mains. Power consumption 45 watts. The unit has a 9 V voltage regulator for powering portable receivers with a load current of up to 100 mA. Unit dimensions - 205x235x580 mm, weight 10 kg.
