2 or 4 ohms?

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Germanesma

Member - Posts: 27

Joined: August 23, 2004

Location: Mexico

Posted: August 23, 2004 at 4:28 PM / IP Logged

Hello there!

I just bought a Cerwyn Vega 10" subwoofer. With 2 voice coils of 4 ohms/coils. RMS: 200W, max: 500W

I have a amplifier with this specs:

1 Ch x 120W at 4 ohm (0.1% THD)

1 Ch x 60W at 2 ohm (0.1% THD)

Sony Xplod

I am a little bit confused about how should I connect them.

What is better, with 2 ohms? or with 4 ohms?

If anyone could help me, I will appreciate.

Eggs putines!

94legend

Silver - Posts: 237

Joined: June 27, 2004

Location: United States

Posted: August 23, 2004 at 4:57 PM / IP Logged

From What you have listed, Do you have 1 subwoofer or 2?

The model of the Cerwin Vega that you are refering to is the HED - 10 correct?

From what I am aware, running the amp load impedance at 4 ohms single/dual VC's would be the correct way. I just wanted to point out, to determine the best way to run the load will depend on your sub / amp ohm load.

Run the the wire as posted on option #2
2 or 4 ohms? -- posted image.

Germanesma

Member - Posts: 27

Joined: August 23, 2004

Location: Mexico

Posted: August 23, 2004 at 5:01 PM / IP Logged

You are right. That is the amp that I bought.

Is that a good one?

I just have 1 Sub.

Eggs putines!

94legend

Silver - Posts: 237

Joined: June 27, 2004

Location: United States

Posted: August 23, 2004 at 5:09 PM / IP Logged

What Model is the sony ampilifier?

I should have asked this on the previous post, how many voice coils does your sub woofer have? 2 as DVC's or 2 as in SVC's? I'm not very familiar with Cerwin Vega's

Since you have a once subwoofer here is my suggestion :

If they are DVC's Run them as soo:

Germanesma

Member - Posts: 27

Joined: August 23, 2004

Location: Mexico

Posted: August 23, 2004 at 5:11 PM / IP Logged

It is a DVC.

And the amp model is:

Sony Xplod XM-502Z

Could you tell me why you are suggesting me that?

Eggs putines!

Germanesma

Member - Posts: 27

Joined: August 23, 2004

Location: Mexico

Posted: August 23, 2004 at 5:26 PM / IP Logged

Besides, how do I have to do, in order to have 2 ohm at the amp?

Eggs putines!

94legend

Silver - Posts: 237

Joined: June 27, 2004

Location: United States

Posted: August 23, 2004 at 5:29 PM / IP Logged

I am suggesting this from your amp/sub capabilities. Due to the fact that you are limited by the equipment you have, this is the only option that i am able to come up with for you. Are you questioning my suggestions? As if they are wrong / incorrect? Just wanted to point out to you, in this forum, if you have ever bring up sony products you will be mortifieded.

Go to this link, the thread in this forum and read upon the specs and opinions on your "system".

http://www.diyaudio.com/forums/showthread/t-32716.html

I hope this will help answer all of your further questions.

Germanesma

Member - Posts: 27

Joined: August 23, 2004

Location: Mexico

Posted: August 23, 2004 at 5:33 PM / IP Logged

Come on! I am not questioning you if you were wrong or something! I DO NOT know anything about the subject, and what I want, is understand why. Just that. Because I want to install it myself.

Eggs putines!

dragonrage

Copper - Posts: 193

Joined: March 15, 2003

Location: United States

Posted: August 23, 2004 at 5:43 PM / IP Logged

Run the coils in parallel...Connect both reds together and both blacks together as 94legend's second pic. shows.... I am going to assume you got the power ratings backwards for the amp, though. heh

2009 Pontiac G8 in planning stage

HU: ?

Speakers: ?

Amps: ?

DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: August 23, 2004 at 5:48 PM / IP Logged

That amplifier cannot run at 2-ohms mono. It is a stereo amp and requires at least a 4-ohm load when bridged. This is not a good amp/sub combination.

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