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Old 22nd September 2005, 08:33 PM   #1
slowfly is offline slowfly  Sweden
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Default Portable mp3 amplifier...


Im looking for a small portable amplifier for my mp3 player that will drive on some AA batteries...
I want to build one small as the amplifier that is to IPODs. I think they are called Itrips or somethink like that.
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Old 22nd September 2005, 11:01 PM   #2
mb is offline mb
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Check out the class-D forum. Some of the tripath-based kits (eg. 41Hz Amp3) will run on 12V. Your batteries will take up more space than the circuit board, and efficiency (ie. battery life) is high. Sound quality is great, IMO.
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Old 23rd September 2005, 02:04 AM   #3
Tim__x is offline Tim__x  Canada
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Headphone or speaker?
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Old 23rd September 2005, 02:59 AM   #4
Leolabs is offline Leolabs  Malaysia
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Try the Boomer series from National Semiconductor
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Old 23rd September 2005, 03:12 PM   #5
slowfly is offline slowfly  Sweden
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Its for one or two speakers...

But what kind of amplifier is it in these portable speakersystems that you can buy to mp3 players like Ipod?

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