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#253886 - 03/26/09 09:03 PM Re: M22 full range roll off with Sub [Re: jakewash]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
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...


Edited by Hutzal (03/26/09 09:04 PM)
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#253916 - 03/27/09 01:18 AM Re: M22 full range roll off with Sub [Re: Hutzal]
CV Offline
Founder, Axiom Upgrade Club
shareholder in the making

Registered: 07/20/06
Posts: 11237
Loc: Richland, WA, USA
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.

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#253947 - 03/27/09 11:40 AM Re: M22 full range roll off with Sub [Re: CV]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
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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#253950 - 03/27/09 11:49 AM Re: M22 full range roll off with Sub [Re: Hutzal]
CV Offline
Founder, Axiom Upgrade Club
shareholder in the making

Registered: 07/20/06
Posts: 11237
Loc: Richland, WA, USA
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.

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#253972 - 03/27/09 03:07 PM Re: M22 full range roll off with Sub [Re: CV]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10399
Loc: Calgary, Alberta
I was thinking of the Hsu subs when I mentioned that. \:\)
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#253996 - 03/27/09 06:31 PM Re: M22 full range roll off with Sub [Re: jakewash]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
CV: I am out of answers!! I wish I knew.
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#254177 - 03/28/09 08:59 PM Re: M22 full range roll off with Sub [Re: Hutzal]
rob04 Offline
hobbyist

Registered: 02/07/07
Posts: 26
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.

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#254195 - 03/28/09 11:06 PM Re: M22 full range roll off with Sub [Re: CV]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10406
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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#254196 - 03/28/09 11:12 PM Re: M22 full range roll off with Sub [Re: JohnK]
CV Offline
Founder, Axiom Upgrade Club
shareholder in the making

Registered: 07/20/06
Posts: 11237
Loc: Richland, WA, USA
I was hoping you'd chime in. So isn't there something that does outside the sub what happens inside?

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#254198 - 03/28/09 11:37 PM Re: M22 full range roll off with Sub [Re: CV]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10406
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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