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jtholley03
Joined: 22 May 2006
Posts: 3
Location: VA
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 Posted: Thu Jun 01, 2006 7:56 pm Post subject: 2 subwoofer 4000 ?'s |
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Anyway to go lower than the 78 hz xover on the 4000
I am going to have subs up front and monsters in the back. How can I turn on and off the subs in the back through the C90/4000?
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bobbybraun
Joined: 28 May 2006
Posts: 30
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| Posted: Wed Jun 07, 2006 7:07 am Post subject: Re: 2 subwoofer 4000 ?'s |
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The only way to cross over lower than 78 hz would be to use an external crossover inline with the woofer and midbass outputs. You will be forced to leave the 4000x's xover on for the woofer channel since I do not believe it can be fully disabled. The midbass channel's highpass xover can be turned off so do so and cross it over externally to match your subs lowpass xover point.
It should be that simple, although I've found that even with such a high frequency as 78hz, since the xover in the 4000x is so steep all I've needed to do was a little tweaking with the peq to make levels match around that point.
As far as turning the subs on and off, all you have to do is save separate xover settings, one with the subs with the level set to +/- 0db, and the other with them muted, and the selection of each saved setting will turn that channel on/off. I actually use the separate crossover settings as subwoofer attenuation in -2 db steps in my system so I can still retain some level control over my subwoofer channel from the head unit Probably not what the xover settings were meant for exactly, but works great for me.
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Sony ES CDX-C90, XDP-4000X, XM-2000R, Phoenix Gold M44, MS2250, Infinity Beta 8-5-1 |
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