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Subwoofers
low wattage, high output?
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<blockquote data-quote="SuperSam" data-source="post: 8488706" data-attributes="member: 656612"><p>Hi,</p><p></p><p>I recently got a different car (2007 Honda Accord Ex-L 3.0L v6), and I'm transferring my sound system into it.</p><p></p><p>I don't have a lot of amperage to play with regarding the stock alternator (130A), so I've been looking into low-watt subwoofers and the possibility of building a quality ported enclosure, which would drastically improve the sub's performance even though it's a low wattage.</p><p></p><p>The only thing is, I don't want the bass to overpower my front speakers, and I have no way of determining whether that will happen, so I was hoping you guys could help.</p><p></p><p>I have JBL p660c 6.5 Component Speakers in the front (90 watts RMS each side), stock/no rear speakers (might just disconnect them). The front speakers are powered by a HiFonics Brutus BRX160.2 amplifier.</p><p></p><p>I was looking at this sub: <a href="http://www.crutchfield.com/p_13612WXV2/JL-Audio-12WXv2.html?tp=68897" target="_blank">JL Audio 12WXv2 WXv2 Series 12" 4-ohm subwoofer at Crutchfield.com</a></p><p></p><p>To be powered by an amp like this: <a href="http://www.crutchfield.com/p_777M3501/Sound-Ordnance-M350-1.html?o=r&amp;tp=35834&amp;nvpair=FFRMS_Power%40%40Channel%7c%5brank6%5d+201+-+350&amp;nvpair=AG_General_Features%7cFFSubsonic_filter" target="_blank">Sound Ordnance M350-1 Compact mono subwoofer amplifier — 350 watts RMS x 1 at 2 ohms at Crutchfield.com</a></p><p></p><p>Ideally, I want the next level up on the sub: <a href="http://www.crutchfield.com/p_13612W0V34/JL-Audio-12W0v3-4.html?o=v&amp;tp=68897&amp;nvpair=FFPower_Handling%7c%5brank3%5d201+-+300+watts+RMS" target="_blank">JL Audio 12W0v3-4 W0v3 Series 12" 4-ohm subwoofer at Crutchfield.com</a></p><p></p><p>But I only have 52 alt. amps to play with (been told that a car uses 60% of alternator amperage) and I believe that means I only have 702 watts to use up (52 x 13.5). Front Speakers powered by amplifier that uses 320 watts, leaving about 380 watts. Recommended RMS on the amp for the better subs is about 400-450 watts, which exceeds my limit. Maybe I'm doing these calculations wrong, but any thoughts/opinions on any of this would be appreciated.</p><p></p><p>I guess, in the end, I'm wondering if the first speakers in a ported enclosure will overpower my front speakers, and if not, will it still be a good amount of bass? I've never had a sub before so I'm sure anything will please me but it's worth asking for others' opinions. Thanks!</p></blockquote><p></p>
[QUOTE="SuperSam, post: 8488706, member: 656612"] Hi, I recently got a different car (2007 Honda Accord Ex-L 3.0L v6), and I'm transferring my sound system into it. I don't have a lot of amperage to play with regarding the stock alternator (130A), so I've been looking into low-watt subwoofers and the possibility of building a quality ported enclosure, which would drastically improve the sub's performance even though it's a low wattage. The only thing is, I don't want the bass to overpower my front speakers, and I have no way of determining whether that will happen, so I was hoping you guys could help. I have JBL p660c 6.5 Component Speakers in the front (90 watts RMS each side), stock/no rear speakers (might just disconnect them). The front speakers are powered by a HiFonics Brutus BRX160.2 amplifier. I was looking at this sub: [URL="http://www.crutchfield.com/p_13612WXV2/JL-Audio-12WXv2.html?tp=68897"]JL Audio 12WXv2 WXv2 Series 12" 4-ohm subwoofer at Crutchfield.com[/URL] To be powered by an amp like this: [URL="http://www.crutchfield.com/p_777M3501/Sound-Ordnance-M350-1.html?o=r&tp=35834&nvpair=FFRMS_Power%40%40Channel%7c%5brank6%5d+201+-+350&nvpair=AG_General_Features%7cFFSubsonic_filter"]Sound Ordnance M350-1 Compact mono subwoofer amplifier — 350 watts RMS x 1 at 2 ohms at Crutchfield.com[/URL] Ideally, I want the next level up on the sub: [URL="http://www.crutchfield.com/p_13612W0V34/JL-Audio-12W0v3-4.html?o=v&tp=68897&nvpair=FFPower_Handling%7c%5brank3%5d201+-+300+watts+RMS"]JL Audio 12W0v3-4 W0v3 Series 12" 4-ohm subwoofer at Crutchfield.com[/URL] But I only have 52 alt. amps to play with (been told that a car uses 60% of alternator amperage) and I believe that means I only have 702 watts to use up (52 x 13.5). Front Speakers powered by amplifier that uses 320 watts, leaving about 380 watts. Recommended RMS on the amp for the better subs is about 400-450 watts, which exceeds my limit. Maybe I'm doing these calculations wrong, but any thoughts/opinions on any of this would be appreciated. I guess, in the end, I'm wondering if the first speakers in a ported enclosure will overpower my front speakers, and if not, will it still be a good amount of bass? I've never had a sub before so I'm sure anything will please me but it's worth asking for others' opinions. Thanks! [/QUOTE]
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