Connect Amp to Factory System?

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gvbgvb

Member - Posts: 5

Joined: September 04, 2006

Location: United States

Posted: September 06, 2006 at 9:59 PM / IP Logged

I have a 1999 Ford escort ZX2

It has a factory radio with a factory separate amp. The amp has inputs from the radio which I assume are line level. It then has 4 speaker level outputs for the LF, LF, LR & RR speakers.

I would like to keep the 4 speakers on the Factory amp and add a subwoofer and two Polkaudio dx3000 tweeters.

I have an Interfire 4700 4 channel amp. I have two crossover filters and two PAC SNI-35's (Supplies a standard line output from a speaker high level input)

How do i connect all this or do I need more?

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Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: September 07, 2006 at 10:11 AM / IP Logged

You can take the output wires from the OEM amp to hook it up to the PAC module and then wire the output from the PAC to the crossovers. Take the output signal from the crossiver and connect to the amplifier. From there the output from the amplifier goes to the subwoofer or to the speakers but you have to cut the wire from the output of the OEM amplifier if your going to use the Interfire amp to power any of the speakers.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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gvbgvb

Member - Posts: 5

Joined: September 04, 2006

Location: United States

Posted: September 07, 2006 at 2:09 PM / IP Logged

The PolkAudio dx series Component Crossover Network seems to be speaker level. (based on screw connectors instead of RCA connectors). Wouldn't the audio level be line level where you suggest putting them?

One other question. Is there any difference between Front Speaker outputs and Rear Speaker Outputs?

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wirewise

Moderator - Posts: 489

This member consistently provides reliable information

Joined: March 07, 2002

Location: California, United States

Posted: September 07, 2006 at 2:49 PM / IP Logged

gvbgvb wrote:

...One other question. Is there any difference between Front Speaker outputs and Rear Speaker Outputs?

nouseforaname wrote:

...the only difference in front and rear is sometimes depending on what you're listening to, certain stuff is sent to the front and certain stuff to the back, but usually not that noticeable.

That may be true if you had true surround sound, but in this case there is no difference in content between the front and rear outputs.

~wirewise~

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wirewise

Moderator - Posts: 489

Joined: March 07, 2002

Location: California, United States

Posted: September 07, 2006 at 3:34 PM / IP Logged

nouseforaname wrote:

yes with true surround sound, but i've heard differences in front and rear when playing some of my heavy metal rock. say for instance on a slipknot track, the guitars pause for a moment and the bass drum keeps on going, this only comes out of my rear speakers, not the fronts.

Do you also have a 1999 Ford Escort ZX2 with the factory system?

~wirewise~

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Connect Amp to Factory System?

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