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How to avoid burning horn
What would burn the horn? Most people will think that is too loud, the speaker can not bear to burn, in fact, not all, now on the list of several possible circumstances and reasons.
Too loudly
A. Moment too loud
Expand the machine's output power, greater than the speaker to withstand power; for example: to expand the output power of 100W, received a power of 100W speakers, if your volume size is placed in the largest position, when you start the moment The volume will blow up the speaker, so when you use to expand the machine and speakers, pay special attention to the coordination of both power, but in any case, the use of expansion machines must develop a very important habit - switch machine, The volume of the knob is in the smallest position.
B. Continuous too loud
With a high-power amplifier to promote the big horn, if you have been playing with a large volume, assuming that the middle of a large dynamic syllable, or sudden noise, it instantly issued the volume, it is possible to burn La. So used to listen to large volume of enthusiasts often burn speakers.
The use of the microphone when the high frequency is generated will burn the speaker
When we use the microphone, we often take the microphone too close to the speaker, or facing the speaker, directly open a large volume, this time will produce high-frequency feedback is sounded, this sound will burn your horn tweeter , This is because the audio signal by the crossover, the vast majority will be issued from the treble monomer, when the high-energy signal, all through the coil very fine tweeter monomer, the speaker will burn. So when you use the microphone, do not remember the volume slowly from small to big, do not open a big breath, in fact, the use of any expansion machines must be "before the shutdown, turn the volume of the knob to zero, before the boot, Remember to make sure the volume knob in the zero position and then boot, turn on the volume and then slowly turn from small to large.
The expansion of the machine to push the low efficiency of the speaker
When you promote the low efficiency of the speaker, although the volume has changed, but the sound is still no significant increase, or the expansion of the power shortage, no way to promote the speaker, if the volume loudly loud, resulting in the output are Is not the normal cutting signal, this case will burn the speaker.
The expansion machine has a DC output
If you have a DC output, it will burn the woofer, and even the tweeter will burn. The reason is that the bass (or other sound path) speaker on the tone line, no capacitor isolated DC, so as long as there is DC output it will be directly poured into the speaker, and sometimes even the crossover coil will be charred. Therefore, the purchase of expansion machines or feel that when the expansion machine strange when you pay attention to the first use of three meters, measuring the amplifier output speaker whether there is a DC output.
Pure vacuum tube machine high frequency oscillation
There are output transformer vacuum tube after the class, there will be no DC output, but the pure vacuum tube machine is more likely to have high-frequency oscillation or interference, if you have not found this situation, it is possible to burn your horn.
Casually pull / insert speaker cable
Pull out / insert the speaker cable, be sure to expand the machine when the machine, do not open the machine in the open, or instantaneous signal response may also burn speakers.
When the input source is not correct
Some of the musicians who have just entered the Hi-Fi field will bring the portable audio, CD player or computer sound card as the sound source, and the output of these sources, and no regular "Line Out", and only the headset connection (Earphone), in this case, we will headset connection, used as the output of the audio source, and from the output of the source, usually has been the sound source itself to enlarge the internal amplifier, so it is not a Clean sound source.
