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Damage speakers by gain?
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<blockquote data-quote="helotaxi" data-source="post: 2066211" data-attributes="member: 550915"><p>You get all bent when squeak says not to listen to you because you don't know what you are talking about and yet you continue to prove his point with every successive post.</p><p></p><p> This is bad advice for the OP. I'll even go so far as to explain why. He's running potentially max RMS to a set of midrange speakers (the tweets are irrelevant at this point). Power handling for speakers is based solely on thermal limits and doesn't take the mechanical limits of the driver into account. At really low volumes, you could easily run a full range signal to the speakers without risk of damage. You would get a full range output as well, however because the human ear is less sensitive to low freqs, you wouldn't hear the low frequencies produced by the mid. Now turn up the volume with the same signal. You would probably be able to quite easily blow the mids before you approach their rated power limit by feeding them a full range signal. The speaker will try to reproduce whatever signal you send it. Since a midrange has a very limited excursion capability, and lower freqs cause exponentially higher excursion it would be a very simple task to exceed the excursion capability of the mid. Even before you started to cause damage, the cone would likely start to break up and cause a lot of distortion. Since the OP wants clear sound, distortion is a no-no. Especially the easily preventable type. By adding a highpas filter in the 80hz range the likelyhood of cone breakup will be reduced (or at least the volume level required to get it will be much higher) and the mechanical power handling of the driver will be greatly increased so there is less worry about blowing speakers.</p><p>Quick lesson for this forum, there are a few of us on here that will shoot down bad advice in a big hurry. Some of us also have a tendency to make the purveyor of such bad advice look and feel like a complete idiot. The purpose of this is two-fold. 1) All who read the thread will quickly realize that the poster doesn't know what he is talking about and ignore his advice (the primary goal by the way) and 2) Hopefully the poster will get the hint that unless they are totally correct in their advice, they will be called on their BS by someone that does have the correct info and unless they want to continue to be made the fool, they will abstain from polluting the forum with their crap.</p></blockquote><p></p>
[QUOTE="helotaxi, post: 2066211, member: 550915"] You get all bent when squeak says not to listen to you because you don't know what you are talking about and yet you continue to prove his point with every successive post. This is bad advice for the OP. I'll even go so far as to explain why. He's running potentially max RMS to a set of midrange speakers (the tweets are irrelevant at this point). Power handling for speakers is based solely on thermal limits and doesn't take the mechanical limits of the driver into account. At really low volumes, you could easily run a full range signal to the speakers without risk of damage. You would get a full range output as well, however because the human ear is less sensitive to low freqs, you wouldn't hear the low frequencies produced by the mid. Now turn up the volume with the same signal. You would probably be able to quite easily blow the mids before you approach their rated power limit by feeding them a full range signal. The speaker will try to reproduce whatever signal you send it. Since a midrange has a very limited excursion capability, and lower freqs cause exponentially higher excursion it would be a very simple task to exceed the excursion capability of the mid. Even before you started to cause damage, the cone would likely start to break up and cause a lot of distortion. Since the OP wants clear sound, distortion is a no-no. Especially the easily preventable type. By adding a highpas filter in the 80hz range the likelyhood of cone breakup will be reduced (or at least the volume level required to get it will be much higher) and the mechanical power handling of the driver will be greatly increased so there is less worry about blowing speakers. Quick lesson for this forum, there are a few of us on here that will shoot down bad advice in a big hurry. Some of us also have a tendency to make the purveyor of such bad advice look and feel like a complete idiot. The purpose of this is two-fold. 1) All who read the thread will quickly realize that the poster doesn't know what he is talking about and ignore his advice (the primary goal by the way) and 2) Hopefully the poster will get the hint that unless they are totally correct in their advice, they will be called on their BS by someone that does have the correct info and unless they want to continue to be made the fool, they will abstain from polluting the forum with their crap. [/QUOTE]
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