The basic knowledge of stage audio equipment

A theatre, auditorium acoustics and sound reinforcement effect is good or bad except acoustic conditions still depends on the power amplification equipment selection, improper electrical amplification equipment selection, even if reasonable acoustic conditions, also cannot get good sound effect. The microphone, mixer, power amplifier performance indicators and select method, mainly according to the purpose and the court when matching acoustic conditions, selected according to their level of amplification. Selecting the power amplification of equipment can also be used for film sound reproduction or records, CDS, tapes, etc. In order to make up for the defect of or modified heavy burst, still need to selecting some auxiliary equipment, auxiliary equipment room equalizer, pressure limit device, time delay device, etc. In the auxiliary equipment and exciter, effect, noise, but is in the theatre of amplification