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Car Audio experts....help me hook up these speakers to create 2 ohms

C

CTrain

Diamond Member
The AMP is
80 x 4 at 4 ohms
125 x 4 at 2 ohms

All 4 speakers are rated at 4 ohms

I know if you normally hook up each of the 4 speakers to each channel +/- , you get the AMP running at 4 ohms.
I'm trying to figure out how to run the the AMP at 2 ohms. I know you need to run the speakers in parallel but its a little confusing using a 4 channel amp.

I hooked it up this way and it is alot louder but I get the feeling that I'm doing it wrong
Very bad MS draw

If you know how to run it at 2 ohms, please use the (1+) to (A+) , etc...to simplify things
 
Originally posted by: CTrain
The AMP is
80 x 4 at 4 ohms
125 x 4 at 2 ohms

All 4 speakers are rated at 4 ohms

I know if you normally hook up each of the 4 speakers to each channel +/- , you get the AMP running at 4 ohms.
I'm trying to figure out how to run the the AMP at 2 ohms. I know you need to run the speakers in parallel but its a little confusing using a 4 channel amp.

I hooked it up this way and it is alot louder but I get the feeling that I'm doing it wrong
Very bad MS draw

If you know how to run it at 2 ohms, please use the (1+) to (A+) , etc...to simplify things
Click to expand...

Beter tell us what amp you have, and if you intend on running it in bridged mode and if so, can both front and rear channels be bridged? Also, if bridged, what is the minimum load you can use? Is it a minimum of a 4 ohm load per channel?

You bought this stuff without knowing what you need to do to get things running?
 
I'll draw another picture in bridge mode but it should be a simple connection to create 2 ohms if you know these kind of stuff.
The AMP is 2 ohms stable....not in bridge mode I don't think which is what I think I'm doing.
 
The AMP is
125 x 4 at 2 ohms
Click to expand...

Smacks head.

There is no way you can do what you intend to do in the drawing. You might be able to run the amp in bridged mono. If it is capable of that, you have to look at the manual and see what the minimum load is that you can run in bridged mode as a first step.

The only solution is to buy 2 ohm speakers if they even exist. For subs, you can buy 2 ohm speakers, but mids/tweets are almost always 4 ohms.

need more data.
 
Originally posted by: CTrain
I'll draw another picture in bridge mode but it should be a simple connection to create 2 ohms if you know these kind of stuff.
The AMP is 2 ohms stable....not in bridge mode I don't think which is what I think I'm doing.
Click to expand...

What speakers are you using?

To simplify things quickly, lets look at one channel only. To get a 2 ohm load, you need to run a 2 ohm speaker or run two 4 ohm speakers in parrallel onm that one channel.



off to buy breakfast. Be back in 15.
 
This is in bridge mode.
Bridge

Well, I've been looking all over the net for an answer.
The manual only show the normal + to + for all 4 speakers.

You know it say that its able to run at 125 x 4 at 2 ohms and there must be a way to hook up 4 speakers to that AMP to create 2 ohms
 
Originally posted by: IHateMyJob2004
Originally posted by: CTrain
I'll draw another picture in bridge mode but it should be a simple connection to create 2 ohms if you know these kind of stuff.
The AMP is 2 ohms stable....not in bridge mode I don't think which is what I think I'm doing.
Click to expand...

What speakers are you using?

To simplify things quickly, lets look at one channel only. To get a 2 ohm load, you need to run a 2 ohm speaker or run two 4 ohm speakers in parrallel onm that one channel.



off to buy breakfast. Be back in 15.
Click to expand...

I think I finally get it now.
It just smack me on the head when you said to buy 2 ohms speakers.
I know about the simple 1 channel illustration.

Theres no way for me to run the 4 speakers(all 4 ohms) at 2 ohms.
Its just like trying to get am AMP(usually 4 ohms) to run at 2 ohms using only 1 speaker(4 ohms). You need 2(4 ohms) speakers to do it)
 
Originally posted by: CTrain
Originally posted by: IHateMyJob2004
Originally posted by: CTrain
I'll draw another picture in bridge mode but it should be a simple connection to create 2 ohms if you know these kind of stuff.
The AMP is 2 ohms stable....not in bridge mode I don't think which is what I think I'm doing.
Click to expand...

What speakers are you using?

To simplify things quickly, lets look at one channel only. To get a 2 ohm load, you need to run a 2 ohm speaker or run two 4 ohm speakers in parrallel onm that one channel.



off to buy breakfast. Be back in 15.
Click to expand...

I think I finally get it now.
It just smack me on the head when you said to buy 2 ohms speakers.
I know about the simple 1 channel illustration.

Theres no way for me to run the 4 speakers(all 4 ohms) at 2 ohms.
Its just like trying to get am AMP(usually 4 ohms) to run at 2 ohms using only 1 speaker(4 ohms). You need 2(4 ohms) speakers to do it)
Click to expand...


Well it's good to see you finally "got" something.

Actually there is a way, it's called an impedance matching transformer.
 
Originally posted by: jamautosound
2 Ohms x 4 Speakers, you'll have two extra channel's available.

2 Ohms x 4 Speakers Bridged, you need to make sure your amp is capable of running two ohms in bridged mode.

The other option is getting four dual-channel subs. Running each of these in parallel mode will create the 2 ohm load you're looking for.

Good luck.
Click to expand...

Thanks for the illustration.
I realize I can run the 4 speakers at 2 Ohms and leave 2 channels blank.
The question is what kind of power am I getting by doing that.
Will I be getting the 125 x 4 at 2 ohms even if I leave 2 channel blank ??

As I stated for the SPECs. Its...
80 x 4 at 4 ohms
125 x 4 at 2 ohms
200 x 2 at 4 ohms

I just wanted get full potential of the 125 x 4 at 2 ohms using 4 speakers and I've been searching...
I don't think its possible, I need to get 4 speakers at 2 ohms if I wanted to do that.
What I've been doing is the 2nd illustration you have on there. I bridged the AMP and then hook up the other 2 speakers which is creating 2 ohms bridged. I don't think my AMP can handle that although I've been running it.
 
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