4 posts on my sub, what do i do?

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shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:09 PM / IP Logged

Hi this is my first post and im an extreme novice at car audio installation. I decided to install an audio system in my car and got a good deal on everything off of ebay. I installed the amp, mids, and deck with no problem thanks to instructions included with the stuff. Today my subs arrived and they are the last thing I have to install, only thing is there are 4 posts on the back, 2 pos and 2 neg. What do I do? There were no instructions with the speakers. They are kicker comp vr's. My friend suggested that I run a wire between the two red posts and the two black posts but im not sure. My amp is a single channel amp if that makes a difference. Thanks for your help.

forbidden

Platinum - Posts: 5,352

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: July 26, 2004 at 6:18 PM / IP Logged

What you have is called a dual voice coil sub. I am going to assume that they are dual 4 ohm voice coils. What is the make and model of the amplifier that you have? What is the model# of the subwoofers?

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

shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:21 PM / IP Logged

kicker cvr10-4. It does say 4 ohm on the box. they are 10"

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Platinum - Posts: 5,352

Joined: November 01, 2003

Location: Alberta, Canada

Posted: July 26, 2004 at 6:23 PM / IP Logged

And the amp?

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

shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:25 PM / IP Logged

Sony XM-DS1600P5 1600w Mono Class-D Amplifier

here are the specs

500 watts RMS x 1 at 4 ohms

900 watts RMS x 1 at 2 ohms (wire subs in parallel for a 2-ohm load)

Class D design

variable low-pass crossover (50-300 Hz at 12 dB per octave)

speaker- and preamp-level inputs

preamp outputs

variable bass boost (0-10 dB at 40 Hz)

subsonic filter (removes inaudible extreme low frequencies for cleaner performance)

remote bass control

requires 4-gauge power and ground cables

gold-plated connectors

13-11/16"W x 2-1/4"H x 13-3/8"D

shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:33 PM / IP Logged

I found this wiring diagram on crutchfields. Is this what I need to do?

http://www.crutchfieldadvisor.com/ISEO-rgbtcspd/learningcenter/car/subwoofers_wiring.html?subs=2&impedance=DVC4x2

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Platinum - Posts: 5,352

Joined: November 01, 2003

Location: Alberta, Canada

Posted: July 26, 2004 at 6:43 PM / IP Logged

Ok Houston, we have a problem here. There is no way to properly wire the subs to the amp for maximum output of the amplifier. What you need is an amp that is designed and engineered to operate at 1 ohm mono, the one you have is only stable to 2 ohms. Here is the only safe way to wire your subs to this amp. I would recommend a different amplifier for you to use on these subs to give your your money's worth and more.

Option #2

4 posts on my sub, what do i do? -- posted image.

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

forbidden

Platinum - Posts: 5,352

Joined: November 01, 2003

Location: Alberta, Canada

Posted: July 26, 2004 at 6:45 PM / IP Logged

Can you describe the terminals on the subs a little closer, are there 4 wires coming out of the sub to 4 terminals or are there 2 wires going to 4 terminals?

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

shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:46 PM / IP Logged

Thanks, but I have one more question. My amp has two speaker hook up place. Should I just use one of those to do this? Or would it be doing the same thing to hook each speaker to its own place and then wire the remaining negative and positve posts together that are on the speaker?

shroomymcpot

Member - Posts: 10

Joined: July 26, 2004

Location: United States

Posted: July 26, 2004 at 6:48 PM / IP Logged

forbidden wrote:

Can you describe the terminals on the subs a little closer, are there 4 wires coming out of the sub to 4 terminals or are there 2 wires going to 4 terminals?

The subs have four posts that push down and you can fit wires in them, they dont already have wires included. The two red posts are across from each other on the sub with one red post having a white dot. The two black posts are in the same configuration, also with one having a white dot. The two posts with the white dots are right next to each other.

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