First DIY project....need help - Page 2 - AVS Forum
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post #31 of 40 Old 09-21-2013, 08:25 AM - Thread Starter
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Vertical version would be nice......so would a horn but that would require a bigger box right?

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post #32 of 40 Old 09-21-2013, 09:34 AM
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well, a horn is a whole different thing and they tend to get pretty large when shooting for something like 17hz, but can be done. much more sensitive to the driver though.

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post #33 of 40 Old 09-29-2013, 08:09 PM - Thread Starter
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post #34 of 40 Old 09-29-2013, 08:27 PM - Thread Starter
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post #35 of 40 Old 10-01-2013, 03:59 AM
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those pre built subs are the wrong thing. their tuning frequency is almost certainly up around 30-40hz, which is great for a car, but not what you want for home theater.

the marty sub that I linked you to is tuned to around 17hz. that is along the lines of what you want for home theater.

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post #36 of 40 Old 10-01-2013, 08:24 PM - Thread Starter
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Oh, okay. I like the Marty sub but I was curious about the boxes on ebay.


BTW, I think I blew it when I bought my 4 SI subs. I ordered them all with dual 4ohm voice coils. I originally planned on two subs per box and running the voice coils in series and then parallel the two woofers bringing the load to 4ohms per box.

If I ran a single sub per box what's the best way to wire them, 2 or 8ohm? Or am I better off just running two woofers per box? I hope I didn't back myself into a corner. I have two Berringer EP4000 amps available for the subs.

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post #37 of 40 Old 10-01-2013, 08:49 PM
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You could wire two sub's for 4ohms on one ep4000 bridged.

or you can wire each sub to 2ohms and run the two ep4000 in stereo. Each sub to a single channel.


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post #38 of 40 Old 10-02-2013, 04:59 AM - Thread Starter
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Interesting, I did not think the amp could handle a two ohm load....that keeps all my options open...sweet!

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post #39 of 40 Old 10-02-2013, 05:08 AM - Thread Starter
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Is there an advantage to either option? Also what is the preferred way to split the Single LF out to two amps? I see people use the mini dsp and some other equipment that I can't recall at the moment..one made by Berringer.

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post #40 of 40 Old 10-02-2013, 11:58 AM
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Quote:
Originally Posted by 316 View Post

Interesting, I did not think the amp could handle a two ohm load....that keeps all my options open...sweet!

 

I run my subs in two ohm stereo, not a problem.

 

Quote:
Originally Posted by 316 View Post

Is there an advantage to either option? Also what is the preferred way to split the Single LF out to two amps? I see people use the mini dsp and some other equipment that I can't recall at the moment..one made by Berringer.

 

I believe 4ohm bridged is the same as 2ohm stereo so I'm not sure if either has a advantage power wise. The best way to split the LFE output is to use a cheap rca splitter like this

 

http://www.parts-express.com/pe/showdetl.cfm?partnumber=240-127

 

if you want something fancy

http://www.parts-express.com/pe/showdetl.cfm?partnumber=184-224

 

or build your own!

http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-112

http://www.parts-express.com/pe/showdetl.cfm?partnumber=100-220

http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-011



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