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Old 11th December 2006, 12:59 AM   #1
StalfoS is offline StalfoS  Canada
diyAudio Member
 
Join Date: Jan 2005
Location: Vancouver, British Columbia
Default Here is my scheme...

Last year I build a lm3875 chip amp. It turn out excellent and I love it.

The only thing is that now I want to make more amps.

I am thinking of getting a lm4780 kit from audiosector, and making a 4-channel amplifier to compliment my current amp. I can use the 4 new + 2 old channels to make a 5.1 setup.

Here's my question: If I am only feeding the sub the signal from the sub channel do I still need a crossover? No, right?

Are there any other considerations I should take into account??
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Old 11th December 2006, 01:45 AM   #2
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Join Date: Oct 2004
Default Re: Here is my scheme...

Quote:
Originally posted by StalfoS
Here's my question: If I am only feeding the sub the signal from the sub channel do I still need a crossover? No, right?
right. No crossover

Quote:
Originally posted by StalfoS

Are there any other considerations I should take into account??
I can think of none
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Old 15th December 2006, 09:09 AM   #3
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Join Date: Jun 2006
i assume you will need to match the power for the 5 monitor speakers and have a bit more power for the sub.
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