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Powered audio
keilmillerjr:
Hello!
What have people been doing in terms of powering a pair of regular audio speakers? I ordered a golden tee coin door, and it has volume up and down buttons inside it. It would be great if I could use that, or possibly add a rotary knob to that panel. Or possibly control volume through arcade controls and my ipac? Keep in mind that I will be using lubuntu if something needs drivers.
I've seen a Ching fu pc sound cards, as well as a few ching fu specific amp boards that might do this. I don't know. Let me know what's up. I'm looking for something better than cracking open a set of cheap PC speakers.
keilmillerjr:
Here is some of the ching fu products I found:
FEIXIANG252B TA2021B 25W+25W Computer Sound Card Amplifier-EF2
DIY Class D Stereo Amplifier Board 50W * 2 TDA7492 HIFI Audio Amp Board
I think the first item might work well... but it's a ching fu brand. That worries me a bit.
BadMouth:
Most people who don't use PC speakers use a cheap mini amp like these:
http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=lepai amplifier&_fscr=1
You can add a double potentiometer inline before the amp to control volume.
(they also sell ones pre-made)
I've been wanting to try one of these, but haven't had an opportunity:
http://www.parts-express.com/pe/showdetl.cfm?partnumber=300-385
Fursphere:
I just bought one of these for a build I'm doing -
http://www.amazon.com/Pyle-PCAU44-2x120-Stereo-Amplifier/dp/B0036VO55G/ref=sr_1_1?ie=UTF8&qid=1363008241&sr=8-1&keywords=pyle+2x120
I should have it working this coming weekend. Keep in mind for these little amps the wattage listed is a flat lie. They use some really screwy math to come up with the numbers. That 120watts per channel is probably a lot closer to 15watts per channel in real life.
Before that concerns you - most powered computer speakers at 5 to 8 watts, and are plenty loud enough.
keilmillerjr:
Cool. I'll probably go with one of those Pyle units.
Can I adjust the computer output volume with the ipac and Linux (lubuntu)? If so, I could set the amp volume appropriately and control the computer volume with the factory volume up/down buttons on my golden tee coil door.?
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