Ebay seller has solved the energy chrisis - diyAudio
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Old 7th August 2011, 04:09 PM   #1
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Default Ebay seller has solved the energy chrisis

This ebay celler has a cheap 500w amp for about $15 look at the power requirements.
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Old 7th August 2011, 04:37 PM   #2
infinia is offline infinia  United States
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indeed for the time between the fuse going open.

what? there is no fuse, longer time for a crises to occur
like four million tons of hydrogen exploding on the sun
like the whisper of the termites building castles in the dust
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Old 8th August 2011, 01:45 PM   #3
wwenze is offline wwenze  Singapore
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He's not the first nor will he be the last.

But aside from that, that looks like a cool new amp from Lepai. Not many manufacturers include clipping indicators.

Lepai Mini T Integrated Amplifer Great Sound | eBay
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Old 8th August 2011, 02:50 PM   #4
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500W from 12V and in such a small enclosure? With no ugly heatsink in sight (hidden inside I suppose). And he's driving the speakers with the thin wires that will go into those clips! Will wonders never cease?

Give him an IEEE fellowship. And a Nobel prize in physics!
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Old 18th August 2011, 08:23 AM   #5
dangus is offline dangus  Canada
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The featured amp looks like the Lepai LP-A2, which uses the TDA7057Q.
Guangdong Jieyang Bukang Household Appliances Factory
The outputs are bridged, and the Philips data sheet only talks about it doing 3W into 16 ohm loads. Lower impedance loads may not hurt it since it's supposed to be short-circuit protected.

Unless it's the AQ version... which is spec'd at up to 8W into 8 ohms. Neither version has an overload pin on the chip (unlike the TA2024). Maybe there's just a comparator to indicate overloads.
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