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Should I get 4 Ohms or 2 Ohms? Help please!

 

New member
Username: Harvey1881

Post Number: 1
Registered: Jan-10
Hello,

I am looking to buy an Alpine Type R 12" subwoofer, but I am not that knowledgable when it comes to car audio. So could you please help me decide whether I need the 4 ohms or 2 ohms and what the difference is? And I am also thinking of getting the Alpine MRP-M500 Amplifier, would this be enough to power the sub? Thanks a lot guys.
 

Silver Member
Username: Dangeranger

Fredericktown, Ohio United States

Post Number: 226
Registered: Mar-09
Get a D4. If you plan on adding another sub down the road you will need to get a different amp.
You're amp is stable down to 2 ohms.
 

New member
Username: Harvey1881

Post Number: 2
Registered: Jan-10
Oh I see, so I would need to get the 2 ohms sub then? And I'm not planning on adding another sub too soon as I don't have the money for it.
 

Gold Member
Username: The_image_dynamic

San Diego, California

Post Number: 5526
Registered: Dec-06
He is saying that your amp is going to be 2ohm stable so you need the D4 (dual 4 ohm) model of the Type R. Then it will be wired like this:

Upload
 

New member
Username: Harvey1881

LondonEngland

Post Number: 3
Registered: Jan-10
Ohh right I understand now. So the 4 ohms model is best suited with that amp? Is there any major difference between the two or is just a matter of how many subs you have? (Sorry for being such a noob)
 

Silver Member
Username: Dangeranger

Fredericktown, Ohio United States

Post Number: 227
Registered: Mar-09
the difference is wiring options. other than that there is none.
 

Silver Member
Username: Dangeranger

Fredericktown, Ohio United States

Post Number: 228
Registered: Mar-09
http://www.the12volt.com/caraudio/woofer_configurations.asp

this website will help too.

figure out what's the lowest impedance you're amplifier is stable at, go to that website and play around with the options until you get your desired impedance.
 

Gold Member
Username: Pitbullguy

The Chicago area

Post Number: 4101
Registered: Oct-06

quote:

Should I get 4 Ohms or 2 Ohms? Help please!




I vote flip a coin.
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