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Re: M22 full range roll off with Sub
jakewash #253886 03/27/09 01:03 AM
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Hutzal Offline OP
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CV: Most of the time I am using a 2 or 3 sounds for the bass (for pop and hip hop stuff). I occasionally like to pan those different samples a bit to the left and right to open up the centre image (to make the centre image less congested to make room for the lead). Same with kick drums. So it is important to have a stereo mix of the LFE going to the sub.

Jason: I would love to use 2 subs, but for now it is out the financial equation. I was checking out the HSU subs, they have the new ULS-15 that is a sealed design, with two XLR inputs that I might purchase for around the same price as the EP400, except it comes with 1000 watts...

Last edited by Hutzal; 03/27/09 01:04 AM.

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Re: M22 full range roll off with Sub
Hutzal #253916 03/27/09 05:18 AM
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Can't you just combine the L/R signals into one going into the one input on the sub?

And by all means, get four of those USL-15s as soon as you can afford them. We want reviews.

Re: M22 full range roll off with Sub
CV #253947 03/27/09 03:40 PM
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CV, it could provide just another link in the audio chain that could cause problems. I have actually looked for a device that will combine dual TRS into one, but haven't come across anything.


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Re: M22 full range roll off with Sub
Hutzal #253950 03/27/09 03:49 PM
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If it's not combined outside of the sub, isn't it just combined within the sub? Sorry for all of the questions. I'm really curious.

Re: M22 full range roll off with Sub
CV #253972 03/27/09 07:07 PM
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I was thinking of the Hsu subs when I mentioned that. \:\)


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Re: M22 full range roll off with Sub
jakewash #253996 03/27/09 10:31 PM
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CV: I am out of answers!! I wish I knew.


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Re: M22 full range roll off with Sub
Hutzal #254177 03/29/09 12:59 AM
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My M22's and HSU STF-2 are powered by a Harmon Kardon 3490 stereo receiver. The HK has two subwoofer outputs, but they run full range (no crossover in the receiver). The sub is connected to one of the HK's subwoofer outputs (low level)and I use the sub's crossover set at 60hz...with the M22's running full range. The sub blends seamlessly with the M22's.

Re: M22 full range roll off with Sub
CV #254195 03/29/09 03:06 AM
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No Charles; splitting one line level output into two and feeding them into two sub inputs is fine, but two outputs into one input isn't. The signals on the two cables don't know that they're supposed to go only into the sub, so they also run up the other cable into the receiver, causing at least distortion.


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Re: M22 full range roll off with Sub
JohnK #254196 03/29/09 03:12 AM
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I was hoping you'd chime in. So isn't there something that does outside the sub what happens inside?

Re: M22 full range roll off with Sub
CV #254198 03/29/09 03:37 AM
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Yes, there is a circuit that can safely sum two line level inputs into one. The problem and the circuit which can overcome it are described well in this Rane note . I'd think that somewhere in the vast land of audio someone offers those ready-made, but I've never looked.


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