Correctly Setting Crossover & Amp Gains

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elliotwutang

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Joined: February 09, 2006

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Posted: June 12, 2006 at 9:29 PM / IP Logged

i have a 2 channel amp with two x-over dials and one gain dial and a switch for bass boost. this amp is powering two subwoofers i was curious how to correctly set these dials for the best performance

aznboi3644

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Posted: June 12, 2006 at 10:05 PM / IP Logged

read the how to set your gains sticky up top

aznboi3644

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Posted: June 12, 2006 at 10:06 PM / IP Logged

Where'd it go?

elliotwutang

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Joined: February 09, 2006

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Posted: June 13, 2006 at 8:57 AM / IP Logged

is there any general way to do it with out a dmm ?

aznboi3644

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Posted: June 13, 2006 at 9:41 AM / IP Logged

Turn HU volume up 3/4 or 2/3 and leave gains at zero.

Then turn gains slowly up until you hear distortion then back it off until distortion is gone. Basic way.

dubzino

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Joined: June 23, 2006

Location: Canada

Posted: August 25, 2006 at 11:57 AM / IP Logged

For this way of setting it without the dmm. DO you have crossovers set at this time or do you have crossover at 0 also?

kfr01

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Posted: August 25, 2006 at 12:45 PM / IP Logged

Set crossovers first. Try 80hz if you have 6.5" or larger midbass speakers, 100hz if you have smaller midbass speakers.

I like steep crossovers as a good starting point.

New Project: 2003 Pathfinder

Flakman

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Joined: April 25, 2005

Location: United States

Posted: August 25, 2006 at 5:37 PM / IP Logged

I don't like setting 2/3 or 3/4 on HU volume. You cannot generalize the HU volume setting for this. Turn down the gains, then turn up the volume on the HU until you hear distortion, then turn it back down until the distortion goes away. Then turn up the gains until you hear distortion, then back them off until it goes away.

I definitely like steep crossovers for mids. Nothing worse than having that low end creep in and ruin the sound coming from your front stage speakers.

The Flakman

I feel strange. I have deja vu and amnesia at the same time.

John | Manteca, CA

dubzino

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Joined: June 23, 2006

Location: Canada

Posted: August 26, 2006 at 10:11 AM / IP Logged

But what about for subwoofers? I was refering to subs and not speakers. Same rules apply?

Flakman

Copper - Posts: 365

Joined: April 25, 2005

Location: United States

Posted: August 26, 2006 at 5:26 PM / IP Logged

Yes. Set the highs first. You can unplug the highs if they become too loud, and then set the subs.

The Flakman

I feel strange. I have deja vu and amnesia at the same time.

John | Manteca, CA

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