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Old 11-09-2013, 09:09 AM
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Default Sub amp advice

Hey all,
I've got questions and need some help. I'm a newbie, and don't have much experience. Here's what I'm running now in my 05' Dodge ram 4X4 quad cab:

KENWOOD KDC-X996 HU
Tru SSLD6 Line driver
Rainbow Vanadium CS230 5 1/4" components front door, not running anything in the rear doors
Boston G310-44 sub in custom .75 CF enclosure
Tru S45 in 3 channel mode, rated at 90W X 2 to the rainbows, and 250W to the sub.

Here's my problem, my components are so loud and crisp with my S45 and SSLD6 that my sub can't keep up, I mainly listen to Hip Hop, but still feel the need to crank some AC/DC. I'm looking for recommendations on a new mono block sub amp.

I have not upgraded my electrical system, and I don't want to go that deep into my system right now. I'm always deployed and barely get to listen to my system as it is. I'm in Okinawa right now, and my truck is on Guam not getting listened to.

Anyway, I'd like to push that Boston to the limits, so I'm looking for a good monoblock sub amp that's pushing close to 1000W. The specs for the boston are 500W RMS and 1000W max. Since I've already got a Tru, I'd like to stick with something a little more high end. Any recommendations from you guys?

I have my eye on an Audison Lrx 1.1 and also a couple different ARC Audio mono's, or what do you guys think of running something in bridged mode?

I'v also looked at some DC Audio stuff, but they all seem to be a little to much power. Let me know if any of these amps are a good choice, or if I'm being an idiot. Any help is much appreciated, thanks.

USN EOD
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Old 11-09-2013, 09:21 AM
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soundqubed q1-1200d is a very good amp and not very expensive. i love mine.
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Old 11-09-2013, 09:26 AM
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I might get flamed for this but I would potentially look at a kicker 750. It does its rated power at 2ohm, has a small footprint, and is affordable.

Personally I would also look at rockford fosgate, soundqubed and memphis.
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Old 11-09-2013, 09:34 AM
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Bridge the s45 and keep the gains low. And try to find a Fosgate 1000.1bdcp. Good clean constant power.
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Old 11-09-2013, 09:37 AM
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Dc 3.5 is a great amp and will give you plenty of power to expand your system in the future even into a new car or truck. Call rusty and get it ordered !! D. Ftw... Team dirty hoe
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Old 11-09-2013, 10:29 AM
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Big Ben,
Why would I want to bridge the S45? The max rating for the Vanadium comps is 125W. If I bridged it they would be getting 250W. Is that why you say to keep the gains low? Even at 90W it's pushing those little guys pretty hard. I wouldn't have to worry about burning them up? I've read that more power is always better than less, but I didn't think it meant that double would be ok. Thanks for the advice. I learn a lot every time I post here.
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Old 11-09-2013, 10:33 AM
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Chris, A 3.5K would be awesome, but that's a little too much amp for what I've got. Probably blow my sub out of the box! That would be cool though. Thanks.
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Old 11-09-2013, 10:38 AM
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The s45 is rated 200x2 bridged. And if you run the gain low, like down to 125 watts or so, you lower your THD and get extra headroom. You're farther from clipping and less chance of damaging your nice comps. Plus they'll take 200 clean all day. But that's just what I would do. I try to shoot for 100 or more over rms to keep my gains lower. Easier on the amp and the comps.
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Old 11-09-2013, 10:44 AM
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Quote:
Originally Posted by vanek.roy View Post
Chris, A 3.5K would be awesome, but that's a little too much amp for what I've got. Probably blow my sub out of the box! That would be cool though. Thanks.
3.5k is rated at 1ohm. More like 1800 at 2ohm. Again, keep your gains low. The idea isn't to have the minimum amount of amp your speakers and subs can take, but to have the minimum amount of speakers and subs your amp can run.

Take for example, I run an Arc 4000 se sub amp. It does [email protected], [email protected], [email protected] I'd rather run a pair of s4 ohm subs rated at 750 each and have the extra to make 100% sure I'm as far away from clipping as possible. The farther from clipping, the less distortion and better control the amp has.
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Old 11-09-2013, 10:14 PM
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Chris,
Would I need to upgrade my electrical if I put in one of the 3.5k's? What about a 2k? I would be running either at 2ohms and would have to keep the gains low. I have a stock electrical system on my full size 4X4. Not sure if that matters compared to an average vehicle's electrical system. Thanks for the info.
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