Amplifer setup?

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boardinbum

Silver - Posts: 358

Joined: February 07, 2005

Location: United States

Posted: April 08, 2006 at 9:14 PM / IP Logged

Ha! I posted that, the page reloaded, and your post had disappeared. For a second, I felt like an idiot - I thought I had read your response in a different thread, and replied to it in the wrong one. Heh heh...

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boardinbum

Silver - Posts: 358

Joined: February 07, 2005

Location: United States

Posted: April 08, 2006 at 9:33 PM / IP Logged

Alright, so it looks like if your sub is a DVC 4 ohm model, you'll want to bridge the front & rear channels for the 180 x 2 @ 4 ohm, and if you've got the DVC 2 ohm model, you'll want to just hook up a single channel to each voice coil for the 125 x 4 @ 2 ohm and have two channels left over.

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bryzaa

Member - Posts: 22

Joined: March 29, 2006

Location: New Zealand

Posted: April 08, 2006 at 11:52 PM / IP Logged

so if it is 250w x2 at 4 Ohm would it be 500 x2 @ 2 Ohm

Bryzaaa

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forbidden

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: April 09, 2006 at 12:34 AM / IP Logged

* RATED OUTPUT POWER:

* * 4 Ch x 65W @4ohm

* 4 Ch x 125w @2ohm

* * 2 Ch x180W + 1 Ch x 400W @4ohm

* 2 Ch x 500W at 4ohm

First flaw, if the amps power in line 1 is rated at 4 x 65w @ 4 ohm, then how on earth on line 3 an it also be 2 x 180w and 1 x 400w @ 4ohm? Amplifer setup? - Page 2 - Last Post -- posted image.

No offence intended here but these "specs" leave alot to be desired. This is a flea market type amp that is sold to people who do not know enough about car audio. This amplifier will not be stable to 2 ohm in any bridged mode. It will be stable in 2 ohm in stereo mode only. So here is my take on the power ratings.

4 x 65w @4 ohm

4 x 125w @ 2 ohm

2 x 65w w and 1 x 250w @ 4 ohm

2 x 250w @ 4 ohm

This amplifier will not be able to make any more power than the 250w per bridged pair of channels no matter which way you look at it and hope and prey for more. It is by far from a proper match to the sub. Your sub is rated for 750w rms in total, this will be split between the two voice coils evenly. If it is a dual 4 ohm sub which I would assume it is, bridge the amp into two channels and run each voice coil off of one of the bridged channels. This should get you going alright with what you have.

Top Secret, I can tell you but then my wife will kill me.

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boardinbum

Silver - Posts: 358

Joined: February 07, 2005

Location: United States

Posted: April 09, 2006 at 3:06 AM / IP Logged

Oooo... Platinum Nominee, eh?

...BTW bryzza, not that it much difference, but in my last post, I meant to say 250 x 2 @ 4ohm - not 180 x 2 @ 4 ohm. That website was getting me all confused...

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Amplifer setup?

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