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Car Audio Equipment
Subwoofers
how much watts are XXX-18 Soundstream Subwoofer really is at rms ???
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<blockquote data-quote="audioholic" data-source="post: 7265816" data-attributes="member: 549629"><p>RMS, in those terms, means an amplifier rated at that power in RMS (root mean squared) but that does not mean they will sustain that power for extended periods of time. Both the SS XXX and Kicker soloX are subs that the manufacturer built *mainly* for SPL. When they rate them at those powers, yes its for amplifiers rated in that power range in RMS, but for short burps in an SPL competition.</p><p></p><p>'Saturation' is a term referring to heat build-up in a speaker over a prolonged period of time. Daily systems playing music while you cruise through town is a vastly different situation than a 30 second burp in the SPL lanes at a competition. The sub might handle 5kw, or even 10kw, RMS, for a 30 second burp, but may/will fail miserably when trying to sustain that power level (or even less than that for a transient signal like music) over a prolonged time period. For this reason, I feel both the XXX and soloX 'rms power rating' is misleading at best, and a flat-out misrepresentation (lie) by a marketing team at worst.</p><p></p><p>And like said above, it almost takes building a vehicle around a charging system to realistically sustain 10kw for prolonged periods anyway. A daily driver car is very very hard to accomplish this with. When you get into that power range, you are talking a very heavy box (due to adequate bracing techniques) and complex/heavy install, amazingly large charging system, etc... just to do the equipment justice. This is not the situation you want to be in for a daily driver car. There's a reason serious SPL competitors trailer their vehicles to comps, because the cars are filled with concrete, batteries, and plexiglass. Anything less is really just wasting the potential of the equipment purchased. Again imo you simply bought too much amplifier for your goals.</p></blockquote><p></p>
[QUOTE="audioholic, post: 7265816, member: 549629"] RMS, in those terms, means an amplifier rated at that power in RMS (root mean squared) but that does not mean they will sustain that power for extended periods of time. Both the SS XXX and Kicker soloX are subs that the manufacturer built *mainly* for SPL. When they rate them at those powers, yes its for amplifiers rated in that power range in RMS, but for short burps in an SPL competition. 'Saturation' is a term referring to heat build-up in a speaker over a prolonged period of time. Daily systems playing music while you cruise through town is a vastly different situation than a 30 second burp in the SPL lanes at a competition. The sub might handle 5kw, or even 10kw, RMS, for a 30 second burp, but may/will fail miserably when trying to sustain that power level (or even less than that for a transient signal like music) over a prolonged time period. For this reason, I feel both the XXX and soloX 'rms power rating' is misleading at best, and a flat-out misrepresentation (lie) by a marketing team at worst. And like said above, it almost takes building a vehicle around a charging system to realistically sustain 10kw for prolonged periods anyway. A daily driver car is very very hard to accomplish this with. When you get into that power range, you are talking a very heavy box (due to adequate bracing techniques) and complex/heavy install, amazingly large charging system, etc... just to do the equipment justice. This is not the situation you want to be in for a daily driver car. There's a reason serious SPL competitors trailer their vehicles to comps, because the cars are filled with concrete, batteries, and plexiglass. Anything less is really just wasting the potential of the equipment purchased. Again imo you simply bought too much amplifier for your goals. [/QUOTE]
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how much watts are XXX-18 Soundstream Subwoofer really is at rms ???
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