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Class D Switching Power Amplifiers and Power D/A conversion

Alternatives to the DTA-2
Alternatives to the DTA-2
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Old 13th June 2012, 07:17 PM   #1
Leejin is offline Leejin
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Join Date: May 2012
Default Alternatives to the DTA-2

Hello everyone,

This is around my 6th revision of my project. I want to build a killer outdoor iPhone dock with loads of power and battery life. I'm wanting to build a system with 4 Dayton Audio PA130-8 5-1/4" Full Range Drivers, with 4 Vifa BC25SC55-04 1" Square Frame Tweeter

I'm basically going for huge range, a typical awesome lake/volleyball/beach boombox. I've poured over the Boominator thread and also that white cabinet project from PartsExpress (Can't find it right now)...

The trouble is, I can't find any Dayton Audio DTA-2 Amps. I have purchased a Shure 2x100 Class T TK2050 Amp and i THINK it's pretty sweet. But I can't use that with the 8 Ohm speakers, correct? Are 8 Ohm speakers more efficient with a battery powered rig?

Ugh.. soo many questions.. I'm learning sooo much. But more and more questions and options keep popping up.

Thanks for anything you guys can do to help.
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Old 13th June 2012, 09:41 PM   #2
KyleinCowichan is offline KyleinCowichan  Canada
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Join Date: Dec 2010
Location: Cowichan Bay, BC
The listing for that product mentions 8Ohm use.

Quote:
High Output Power:
30W @ 6Ω, < 1% THD+N
40W @ 8Ω, < 3% THD+N
100W @ 4Ω, < 10.0% THD+N
It looks as though it would be fine.

Kyle
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