Setting up dual subwoofers with one sub-out? - AVS Forum
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post #1 of 5 Old 07-25-2012, 08:54 PM - Thread Starter
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Hey guys,

I just purchased two 15" Audiopulse Axis subwoofers and would like to clarify some issues about the setup..

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=293-622

I also have a Yamaha P7000S and Samson S-Convert on order.

I was looking at the flat-pack subwoofer cabinets sold by the diysoundgroup to save myself some work.

http://www.diysoundgroup.com/flat-packs-1/subwoofer-flatpacks.html

Unfortunately, the 3.5 ft^3 cabinet that looks like it would fit the Audiopulse is out of stock but the 3 ft^3 cabinet might work with a small modification. I was planning on running the subs sealed as I believe they should have enough output down low as is.

Now, the P7000S can run the subs separately in stereo and I believe the S-Convert can also be used in stereo. I wanted to get something like the Reckhorn B-2 or eQ.2 for use as a high-pass filter and for some equalization. Unfortunately, the eQ.2 is backordered and it doesn't look like CSS sells the Reckhorn units any longer. I don't know if there is anywhere else to source a Reckhorn unit at this point. I'm currently trying to decide if I can run the subs without a high-pass but I don't if I'm comfortable with that even though it looks like I probably don't need it.

So, do I just need an RCA splitter in order to run dual subwoofers off of a single sub-out and does anyone know where I might be able to source a Reckhorn (B-1 or B-2)?
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post #2 of 5 Old 07-25-2012, 09:23 PM
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Might want to look into the MiniDSP EQ device.

http://www.minidsp.com/onlinestore/browse/15-minidsp-in-a-box?sef=hc

Yes, you can use a y-splitter for this. You most likely will not need to use a high pass filter on these if you are running them sealed.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #3 of 5 Old 07-26-2012, 05:30 PM - Thread Starter
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That looks like it might be a good option. Thanks for the advice. I'll probably try running them without the high pass first and buy something to EQ them with later.
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post #4 of 5 Old 07-26-2012, 05:50 PM
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Quote:
Originally Posted by Scott Simonian View Post

Might want to look into the MiniDSP EQ device.
http://www.minidsp.com/onlinestore/browse/15-minidsp-in-a-box?sef=hc
Yes, you can use a y-splitter for this. You most likely will not need to use a high pass filter on these if you are running them sealed.


+1

The splitter is probably fine. Try it first - it's the cheapest option.


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post #5 of 5 Old 07-30-2012, 04:27 AM
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If the speakers are not an equal distance to the listener, you may have problems only using a Y splitter. If you get a miniDSP for EQ, I believe you can also use that to set time delay for each sub individually. I do not have a miniDSP, so hopefully someone else can verify this.
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