Im getting a JBL 145.5 speaker system in my room, this consists of 4 satellite speakers, a center speaker, and a 100W powered sub. Yamaha amp says that it will push out 140W surround. According to Best Buy the max power that can be pushed into the treble speakers (since the subwoofer is powered) is 120W and the peak is 150W. Will i damage the satellite and center speakers if 140W is put into them?
Generally sounds and music have their highest power in the low frequencies. The high frequencies would have a lower power average. So if you are listening at near max power for the lows, your tweeters would be operating at less that their max allowed power. Different manufacturers specify power in different ways. If it is specified for continuous sine-wave RMS power, then definitively music power will be lower. It is very difficult to conclude how much power is too much, unless you have accurate specifications for the amp and speakers. Also it depends on the design of the speaker, some of them use a clever auto-cooling that allow them to operate at higher power.
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