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<blockquote data-quote="toomtoomvroom" data-source="post: 5990445" data-attributes="member: 610990">Technically you are both right. JL use to post that it was rated at 500 watt rms, but they have changed it to 750W (thermal power handling) on their website, However,&nbsp; if you look at the power chart, you can see that 500w is in the optimal zone, and 750w is in the black warranty void zone.&nbsp; I&#039;ve personally have used a Alpine MRV-1002 600w at 4ohm and a JL 500/1 on a 10W7 and it was enough power. I wouldn&#039;t recommend anything more, definitely nothing at 1000w.10W7 DRIVER SPECIFICATIONS10W7-3Free Air Resonance (Fs):&nbsp; &nbsp;&nbsp; 30.6 HzElectrical “Q” (Qes):&nbsp; &nbsp;&nbsp; 0.578Mechanical “Q” (Qms):&nbsp; &nbsp;&nbsp; 7.647Total Speaker “Q” (Qts):&nbsp; &nbsp;&nbsp; 0.537Equivalent Compliance (Vas):&nbsp; &nbsp;&nbsp; 1.28 cu. ft. / 36.1 litersOne-Way, Linear Excursion (Xmax)*:&nbsp; &nbsp;&nbsp; 0.9 in. / 23 mmReference Efficiency (no):&nbsp; &nbsp;&nbsp; 0.171%Efficiency (1W/1m)**:&nbsp; &nbsp;&nbsp; 84.3 dB SPLEffective Piston Area (Sd):&nbsp; &nbsp;&nbsp; 59.8 sq. in. / 0.0386 sq. m.DC Resistance (Re):&nbsp; &nbsp;&nbsp; 2.75 ohmNominal Impedance (Znom):&nbsp; &nbsp;&nbsp; 3 ohmThermal Power Handling (Pt):&nbsp; &nbsp;&nbsp; 750WDriver Displacement:&nbsp; &nbsp;&nbsp; 0.09 cu. ft. / 2.5 litersNet Weight:&nbsp; &nbsp;&nbsp; 30 lbs. / 13.6 kg<img src="http://i596.photobucket.com/albums/tt49/JustForCraigslist/Misc/SUB_PowerChart_MI.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="toomtoomvroom, post: 5990445, member: 610990"] Technically you are both right. JL use to post that it was rated at 500 watt rms, but they have changed it to 750W (thermal power handling) on their website, However, if you look at the power chart, you can see that 500w is in the optimal zone, and 750w is in the black warranty void zone. I've personally have used a Alpine MRV-1002 600w at 4ohm and a JL 500/1 on a 10W7 and it was enough power. I wouldn't recommend anything more, definitely nothing at 1000w. 10W7 DRIVER SPECIFICATIONS 10W7-3 Free Air Resonance (Fs): 30.6 Hz Electrical “Q” (Qes): 0.578 Mechanical “Q” (Qms): 7.647 Total Speaker “Q” (Qts): 0.537 Equivalent Compliance (Vas): 1.28 cu. ft. / 36.1 liters One-Way, Linear Excursion (Xmax)*: 0.9 in. / 23 mm Reference Efficiency (no): 0.171% Efficiency (1W/1m)**: 84.3 dB SPL Effective Piston Area (Sd): 59.8 sq. in. / 0.0386 sq. m. DC Resistance (Re): 2.75 ohm Nominal Impedance (Znom): 3 ohm Thermal Power Handling (Pt): 750W Driver Displacement: 0.09 cu. ft. / 2.5 liters Net Weight: 30 lbs. / 13.6 kg [IMG]http://i596.photobucket.com/albums/tt49/JustForCraigslist/Misc/SUB_PowerChart_MI.jpg[/IMG] [/QUOTE]

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