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Old 2nd March 2008, 06:31 AM   #1
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Default Running A Component Set Active Off of A Single Amp...

All,

I wanted to know if anyone can steer me in the direction of a single, 4 channel amplifier where two of the channels can be crossed over to run the midbass drivers of a component set, and the other two channels can be crossed over to run the tweeters. I know there are certain amps that support this, but I have found very few. The one that comes to mind is the Sinus Live Verstarker SLA-260.4. Is there any reason more companies don't do this? The only thing I can think of is not having separate gains for the mid and the tweet... but perhaps I'm missing something.

Thanks,

Hans
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Old 2nd March 2008, 03:15 PM   #2
jol50 is offline jol50  United States
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A lot of them can do that, what they can't do is BP the mid and take the bass out too. I think I saw one I'll look.
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Old 3rd March 2008, 05:31 AM   #3
Clipped is offline Clipped  Thailand
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if you can find an amp that has an adjustable subsonic filter that goes high enough it will work.

the only amp ive found that had a subsonic filter reaching into the 60 hz range was for subs, so thats kinda a moot point.

Resonant engineering 35.1 (aka Destijl engineering)

a preamp may work to cut the bass out.
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Old 3rd March 2008, 02:15 PM   #4
jol50 is offline jol50  United States
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You can just use a 2way crossover on that amp, along with the one in amp you could BP. I have an amp that would do that high subsonic, I think it was a hifonics. Not found the one I saw, it was on some audio site and people there loved these amps for some reason.
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Old 3rd March 2008, 08:22 PM   #5
shagone is offline shagone  United States
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i have seen some alpine V12's that i think can do that. they had a switch to multiply the crossover frequency by 10 or by 1. otherwise a good outboard electronic crosover would probably be a better choice plus nowadays some higher end headunits have complex crossovers built in.
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Old 5th March 2008, 02:29 AM   #6
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Thanks for the input guys,

After some searching, it looks like the JL Audio 450/4v2 can do everything I need. I agree that an external crossover and multiple amps would be the best way to go, however, space is at a serious premium in the car, and finding something that does the job of three pieces of hardware with one is very attractive at the moment...

Hans
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