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Old 10th February 2008, 11:48 PM   #1
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Default Chip Amp system - need some advice

I've been planning and dreaming about upgrading my current stereo to a totally DIY chip amp based system and DIY speakers.

Here are my thoughts:

-I'm looking to build a pair of two speakers out of Dayton RS150S-8 6" woofers and HiVi TN28 Fabric Dome Tweeters. I'll use a Dayton SD270-88 10" for the Subwoofer.

-I'm going to be building a (mostly passive) pre-amp for the amps, and need some design links/ideas.

-I'm thinking of using five amps, and feeding them with an active filter system. Can someone point me to design links on filters.

-I've got a turntable, and need to make a high performance phono stage. Again, I'm in need of designs.

-For the amps them selves, I'm a little undecided at this point. Are certain designs and those based off of a certain chip marked better or worse than the rest. Does anybody make PCB layouts? I don't really want to buy pre-fabricated boards for this project.


Thanks in advance!!!!
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Old 11th February 2008, 12:13 AM   #2
BWRX is offline BWRX  United States
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Default Re: Chip Amp system - need some advice

Quote:
Originally posted by rochmndx
-I'm thinking of using five amps, and feeding them with an active filter system. Can someone point me to design links on filters.
http://www.linkwitzlab.com/filters.htm

http://www.sound.westhost.com/project09.htm


Quote:
Originally posted by rochmndx
-I've got a turntable, and need to make a high performance phono stage. Again, I'm in need of designs.
http://www.diyaudio.com/forums/forum...?s=&forumid=11

http://cache.national.com/ds/LM/LM4562.pdf
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Old 11th February 2008, 11:50 PM   #3
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Join Date: Feb 2008
Further to BWRX's links, while you're at sound.westhost.com look over the preamplifier projects listed at http://sound.westhost.com/projects-2.htm -- you'll probably be building an op-amp power supply for the phono stage anyway, so you may want to add in some more switching and buffering and other creature comforts.
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