KTV调音知识(国外英文资料).docVIP

KTV调音知识(国外英文资料) KTV tuners must learn knowledge Now more and more KTV, eases the employment pressure to many of our friends, there are a lot of people go to KTV for now, we simply look at KTV in the tuner knowledge today, hope you can help to. We start with definitions: First of all, what is the speakers power? The sound box receives the power, as the name suggests, refers to enters the sound box not to exceed this mark, the power can not damage, can withstand.. There are several ways to express the sound power of the loudspeaker box. It is easy to cause the misunderstanding of the user, thus improper use, resulting in damage to the speaker. In the Parameter annotation of the loudspeaker box, some are marked the rated power, that is long-term power, which means that the long-term use in this power state will not damage. Factory testing rated power is in the constant temperature of 20 degrees, with pink noise signal for 48 hours continuous work shall prevail. In the KTV compartment, the use of the environment is relatively bad, the music also contains a lot of big dynamic peak signal, it is recommended that the input power is less than 20% of the rated power, the use of speakers, will be much safer. Some speakers parameter is marked peak power, this value is rated power of 3-4 times, such as BMB brand CS-450MKII power mark is the peak power 450W. The speaker of the peak power of the bear is conditional, setting time is 1 seconds, repeated only if more than 10 times, may be damaged, to be especially careful use of peak power marked speakers, recommend the use of power does not exceed the peak power of 1/4. Second, what is the rated output power of the amplifier? The rated output power of a power amplifier refers to the long-term output power without distortion (generally means that output distortion is not more than 1%). In this state, the power amplifier is safe and reliable. It is a prerequisite, is one of the requirements of the voltage to the standard 220V, if th