sub wiring difficulty

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polt3rg31st

Member - Posts: 4

Joined: April 28, 2009

Location: Saskatchewan, Canada

Posted: April 28, 2009 at 8:29 PM / IP Logged

Ok. So since im 16 and didnt understand the importance of proper equiptment selection i went out and bought my system and ram into a problem. I dont understand how to run the subs at a proper level of watts considering the few wiring options.

Amp:

Alpine MRP-M1000

Per channel into 4 Ohms: (@ 14.4V Ƈ%THD+N, 20Hz - 200Hz) 600W x 1

Per channel into 2 Ohms: (@ 14.4V Ƈ%THD+N, 20Hz - 200Hz) 1000W x 1

Subs:

Pioneer TS-SW301

Watts MAX. Music Power	1000 Watts
Watts Nominal Power Handling	250 Watts
Frequency Response	20 Hz to 114 Hz
Sensitivity	91 dB
Ohm Rating	4

So the problem is that there are only 2 ways to wire them(paralelland series)and one of the ways gives me and 8 ohnm load and my amp cant handle that as it is only stable and 4, 2, and 1.

Polt3rg31st

i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 28, 2009 at 8:48 PM / IP Logged

How many of the woofers do you have? It says 4 ohm, is it a single or dual voice coil woofer? If you do not know the answer to that question, are there just one positive and negative terminal? Or does it have one set on one side and another set on the other side?

Your amp will safely run into an 8 ohm load, it just will not make a lot of power. If they are single voice coil woofers, and you have 2 of them, you can achieve a 2 ohm load. When I find out more about your woofers, I will post a diagram helping you connect them.

polt3rg31st

Member - Posts: 4

Joined: April 28, 2009

Location: Saskatchewan, Canada

Posted: April 29, 2009 at 7:42 AM / IP Logged

sorry they are single voice coil 4 ohm. I can achieve a 2 ohm load as well but i have already blown one of them with wiring in paralell and had to get it exchanged.

Polt3rg31st

ragsports

Copper - Posts: 192

This member has made a donation to the12volt.com. Click here for more info.

Joined: March 17, 2008

Location: Michigan, United States

Posted: April 29, 2009 at 8:15 AM / IP Logged

if you blew one of them already, that a good indication you need to turn your subs down.. sub wiring difficulty -- posted image.

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 29, 2009 at 8:40 AM / IP Logged

Option 2 (series) = 8 ohm load

Speakers wired in series

Recommended Amplifier: Stable at 4, 2, or 1 ohm mono

Wire the woofers as pictured above. Your amp will not put out near the power it puts out into a 2 ohm load, but it will be safe for your amp and your woofers.

icearrow6

Copper - Posts: 497

Joined: February 02, 2009

Location: California, United States

Posted: April 29, 2009 at 3:46 PM / IP Logged

Run them stereo at 4oms.

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 29, 2009 at 7:21 PM / IP Logged

He has a 1 channel amplifier. Stereo is not an option.

polt3rg31st

Member - Posts: 4

Joined: April 28, 2009

Location: Saskatchewan, Canada

Posted: April 29, 2009 at 7:54 PM / IP Logged

so i can run them at 8 ohm without the amp having 8 ohm compatability?

Polt3rg31st

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 29, 2009 at 8:05 PM / IP Logged

The amp is capable of any load greater than 2 ohms. Greater = number higher than 2.

polt3rg31st

Member - Posts: 4

Joined: April 28, 2009

Location: Saskatchewan, Canada

Posted: April 29, 2009 at 8:13 PM / IP Logged

thanks every1 i really appreciate the help. i wudnt have known to do so otherwise

Polt3rg31st

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