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Kicker C84 Comp Series 8" Subwoofer 4 Ohm
The Technical Guide says the power handling is 55 watts for the ported boxes. Why is this different from the 100 watts in sealed boxes? Will this driver work well in a 1.2 ft^3 box with a 2 inch port and a 100 watt (RMS) amp?
The power ratings they provide are taking cone excursion into consideration. The ported boxes will reach excursion limits faster, hence the lower power recommendations. This driver will work fine in that volume with 100 watts, but you will need to keep an eye on the excursion and not overdrive the cone at higher levels.
Date published: 2015-04-14
in a sealed box aplication (boombox setup) will this subwoofer work properly on 68 watts? what type of alimentation i need to drive the amplifier (2x40w+1x68w ; lepai lp-168ha) on his max output? thanks
Yes, 68 watts will provide a good amount of output for this driver. The power supply included with that amplifier is 5A which will be sufficient.
Date published: 2014-04-25
Could a 35 watt amp run this sub?
Trying to replace the sub in a Lexus es300, and the head unit only pushes 35 watts to the sub. Would this kicker sub fry the amp? Because I've heard of that happening if a sub with a RMS rating higher than that of the head unit is used.
35 watts will drive the sub just fine just not to any of its limits. I wouldn't worry about the amp but if you clip the signal (overdrive the amplifier) you can actually hurt the woofer. It's not uncommon to use a higher powered woofer in factory stereos like this simply because its impossible to fine a 35 watt 8" woofer these days.
Date published: 2013-09-09