2chan amp

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firedevil

Member - Posts: 11

Joined: May 25, 2004

Posted: May 07, 2007 at 10:11 PM / IP Logged

so i was at work and discussing amp wiring with a guy i work with, and he was telling me that if i have 4ohm load and bridge the channels on my 2ch amp it effectivly 1/2's the resistance again, now this fella is MECP certified studying for his master cert, is he correct?

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austincustoms

Copper - Posts: 232

Joined: November 15, 2005

Location: United States

Posted: May 07, 2007 at 10:34 PM / IP Logged

I am only basic installer certified, but this doesn't sound right. I guess the only way to find out is to wire it up and dmm it.

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: May 07, 2007 at 10:35 PM / IP Logged

No, he's not correct. If you have a 4-ohm load you have a 4-ohm load. Now if you connect your 4-ohm load to a bridged stereo amp, you in effect place half the total impedance (a 2-ohm load) on each channel of the amplifier. The amplifier will deliver power into your 4-ohm load at its 2-ohm stereo power rating. But you have not changed your 4-ohm load. 2chan amp -- posted image.

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soultinter

Copper - Posts: 170

Joined: January 16, 2004

Location: United States

Posted: May 08, 2007 at 10:12 AM / IP Logged

MECP doesn't mean you have a clue, has been demonstrated time and again!

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Alpine Guy

Platinum - Posts: 2,478

Joined: October 18, 2003

Location: Canada

Posted: May 08, 2007 at 12:05 PM / IP Logged

soultinter wrote:

MECP doesn't mean you have a clue, has been demonstrated time and again!

Exactly. Now if the guy were a certified Technologist or Engineer then you could start listening to his "theory's"

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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2chan amp

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