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what the difference between 0db, -3db, -6db etc test tones?
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<blockquote data-quote="T3mpest" data-source="post: 6857807" data-attributes="member: 560148"><p>correct. Music jumps around alot though which leaves you with rough estimations. Speakers that are rated in pro audio are done as follows. They use pink noise as a signal, -6db's at the given RMS they wish to test the speaker at. Pink noise has energy spread thorughout the spectrum so it's similar to music in frequency content. They run that for 15 minutes, burst the speaker with a 0db tone, so 4x rms for a split second and then repeat that for a 2hr period. If the speaker passes that RMS value, the up it until it fails. Whatever value it can take for 2hrs max is the continous power handling.</p></blockquote><p></p>
[QUOTE="T3mpest, post: 6857807, member: 560148"] correct. Music jumps around alot though which leaves you with rough estimations. Speakers that are rated in pro audio are done as follows. They use pink noise as a signal, -6db's at the given RMS they wish to test the speaker at. Pink noise has energy spread thorughout the spectrum so it's similar to music in frequency content. They run that for 15 minutes, burst the speaker with a 0db tone, so 4x rms for a split second and then repeat that for a 2hr period. If the speaker passes that RMS value, the up it until it fails. Whatever value it can take for 2hrs max is the continous power handling. [/QUOTE]
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what the difference between 0db, -3db, -6db etc test tones?
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