1, frequency range: that is, the working band width of the power amplifier under the specified distortion and rated output power.2, frequency response: the output gain of power amplifier increases or attenuates with the frequency of input signal, and
The school has just purchased a new set of campus broadcasting system equipment, and wants to know how to maintain the campus broadcasting system, so that it can be extended. Also, how should the campus broadcast system equipment be properly switched
The configuration of the small conference room's sound system is relatively simple. First, we need to configure the power amplifier, then select the conference microphone according to the needs, and choose the collar clip, handheld, wireless micropho
As everyone knows the bar audio frequency sound and has strong penetrating ability, if the control is not good, that the use of the best equipment, can not achieve the desired results, in fact, knowledgeable people, in the decoration under the foot w
One, the projector fault:The 1. phenomenon: the screen black screen, the indicator light is often bright, inside the fan rotating sound.Processing method: this kind of fault is usually due to the long working time of the projector and the high temper