Help please amp stuff?

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raptor333

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Joined: June 15, 2004

Location: Albania

Posted: July 02, 2004 at 11:30 AM / IP Logged

Hi I was wondering if any body could help me in the way of setting my amp levels. I am a true newbie and this stuff gets confusing. Waht I am workingwith is 2 sony xplod xm-2165gtx amps. I am running one sony xplod xs-l121p5 12" sub. 4 ohms on each amp.

I just need help setting the level, filter and low boost.

level:6, 5.5, 4, 2, .5, 0.3v

low boost 0-10 db

filter: 50, 60, 110, 170, 260, 300

i know this is a lot to ask but any help would be appreciated.

kfr01

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Posted: July 02, 2004 at 11:52 AM / IP Logged

Depends on your head unit for the level. What head unit do you have?

Keep the low boost at 0.

Filter should be at 60 or 110. Probably 110 as I'm guessing you don't have any dedicated midbass drivers.

New Project: 2003 Pathfinder

raptor333

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Location: Albania

Posted: July 02, 2004 at 11:58 AM / IP Logged

I have an alpine 9127? I know the 27 is correct.

kfr01

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Posted: July 02, 2004 at 12:08 PM / IP Logged

K. It will probably be between 2-4. See this page for a how-to: http://www.bcae1.com/gaincon2.htm

New Project: 2003 Pathfinder

raptor333

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Location: Albania

Posted: July 02, 2004 at 12:14 PM / IP Logged

thank you

kfr01

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Posted: July 02, 2004 at 12:20 PM / IP Logged

np .. crutchfield advisor also has a less technical amplifier setup tutorial somewhere. crutchfieldadvisor.com

New Project: 2003 Pathfinder

stevdart

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Posted: July 02, 2004 at 4:24 PM / IP Logged

raptor333 wrote:

Waht I am workingwith is 2 sony xplod xm-2165gtx amps. I am running one sony xplod xs-l121p5 12" sub. 4 ohms on each amp.

Is this a dual voice coil sub? And are you planning to wire each coil to a separate amp? Tell me I'm misunderstanding, please.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

kfr01

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Posted: July 02, 2004 at 5:48 PM / IP Logged

Ack. I didn't see that. A different amp for each voice coil isn't a good idea.

New Project: 2003 Pathfinder

raptor333

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Joined: June 15, 2004

Location: Albania

Posted: July 02, 2004 at 10:28 PM / IP Logged

what would you recommend?

kfr01

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Posted: July 02, 2004 at 10:33 PM / IP Logged

Not more than one amp per subwoofer. If the signals are at all different you'll break your sub.

New Project: 2003 Pathfinder

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