Question about Yamaha SW218V Speaker
Power handling CAPACITY is not to be confused with power requirements. What they're getting at in the box "To protect your speakers" on Page 3 in the manual ...
"To protect your speakers
When choosing a power amplifier to use with your speakers,
make sure that its power output matches the speakers’ power
capacity (refer to the Specifications on page 6). Even if the
amplifier’s power output is lower than the speakers’ PGM
(program) power capacity, the speakers may be damaged
when clipping of a high input signal occurs."
...is that any amplifier driven beyond it's non-distorting power limit will damage any speaker system, not with its raw power but with the artifacts of distortion (clipping). So they recommend amps spec'd at those high ratings in an attempt to keep them from distorting due to overdrive.
In practice, if you're cranking an amp to the stops you're either overdriving it or you're performing a concert and wishing you could crank it to '11'.
Being nominally 4-ohms, a pair of these speakers would likely have to be run in series or else their effective impedance may drop dangerously low. Two amps may be better for you, one amp per subwoofer.
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Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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