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<blockquote data-quote="BnGRacing" data-source="post: 7564853" data-attributes="member: 557400">The only times a 1000w amp will sound 3dB louder than a 500w amp is on paper. In the real world, like a trunk or hatch, you won&#039;t be able to tell. The reason for this is the larger amp will heat up the voice coil in the W7 and increase its impedance...so you&#039;re not &#039;really&#039; sending 1kW to it. Furthermore, a person cannot hear a 1dB change in amplitude and only a very small % of people can hear 2dB. 3dB is the smallest perceptible change in volume.With that in mind, why spend the extra $$$ on a bigger amp when you will not hear a difference? Also, JL Audio had upped their power ratings on their subs. A W7 that used to be rated at 750w is now rated at 1000w even though not a thing changed with the design of the woofer.Your JL sub uses a very light cone and doesn&#039;t need a lot of power to make a lot of noise and it&#039;s easily one of the most well engineered woofers on the planet. Just ask the home audio guys...</blockquote>

[QUOTE="BnGRacing, post: 7564853, member: 557400"] The only times a 1000w amp will sound 3dB louder than a 500w amp is on paper. In the real world, like a trunk or hatch, you won't be able to tell. The reason for this is the larger amp will heat up the voice coil in the W7 and increase its impedance...so you're not 'really' sending 1kW to it. Furthermore, a person cannot hear a 1dB change in amplitude and only a very small % of people can hear 2dB. 3dB is the smallest perceptible change in volume. With that in mind, why spend the extra $$$ on a bigger amp when you will not hear a difference? Also, JL Audio had upped their power ratings on their subs. A W7 that used to be rated at 750w is now rated at 1000w even though not a thing changed with the design of the woofer. Your JL sub uses a very light cone and doesn't need a lot of power to make a lot of noise and it's easily one of the most well engineered woofers on the planet. Just ask the home audio guys... [/QUOTE]

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