amp cutting out.

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lilancer

Member - Posts: 22

Joined: June 06, 2004

Location: United States

Posted: January 12, 2008 at 2:06 PM / IP Logged

Hi i have a Performance Teknique ICBM-782 amp. I am running 2 12" Infinity refrence 1240W subs. The subs are 4ohms. I ran them normal to each channel. positive to positive neg to neg. Amp cuts out. SO i ran them in series then bridged the amp same thing. Ground is good voltage seems good. remote turn on is good. Any ideas? thank you

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aznboi3644

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Joined: May 01, 2006

Location: United States

Posted: January 12, 2008 at 6:31 PM / IP Logged

voltage "seems" good??

have you verified this with a multimeter??

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lilancer

Member - Posts: 22

Joined: June 06, 2004

Location: United States

Posted: January 12, 2008 at 10:00 PM / IP Logged

yes the lowest the voltage drops on hard bass in 12.9 volts.

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: January 12, 2008 at 10:12 PM / IP Logged

How is your gain set?

Could just be a bad amp. It is a bottom-end brand.

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lilancer

Member - Posts: 22

Joined: June 06, 2004

Location: United States

Posted: January 12, 2008 at 10:16 PM / IP Logged

gain is maybe 3/4 up. yea im thinking its the amp.

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Alpine Guy

Platinum - Posts: 2,478

Joined: October 18, 2003

Location: Canada

Posted: January 13, 2008 at 8:18 AM / IP Logged

Your gain is set very high!, that will cause it to clip and cut out. What head unit do you have and what is the rca pre out voltage?

2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.

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lilancer

Member - Posts: 22

Joined: June 06, 2004

Location: United States

Posted: January 13, 2008 at 10:33 AM / IP Logged

I have a pioneer avic d-1. ill try turning the gain down a bit. thanks

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DYohn

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Joined: April 22, 2003

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Posted: January 13, 2008 at 10:52 AM / IP Logged

No, don't just "turn it down a bit" you need to set it properly. Use the search function on this forum for "setting gain" and do it correctly.

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amp cutting out.

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