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Class D Switching Power Amplifiers and Power D/A conversion

DIY solar powered boombox
DIY solar powered boombox
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Old 6th July 2009, 02:04 PM   #61
robster is offline robster  United States
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Default kewl

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Old 6th July 2009, 03:21 PM   #62
v-bro is offline v-bro  Netherlands
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Hah! That's quite nice!
Max. cone displacement can be several foot on any speaker!Too bad it can be done only once......
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Old 7th July 2009, 05:28 PM   #63
Heaven Net is offline Heaven Net  United States
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Default DIY solar powered boombox

For those who want to keep themselves entertained when in a park, without spending a lot on expensive batteries that arenít just difficult to carry but harm the environment as well, Instructables has a great DIY that allows you to create a boombox by spending not more than $75 on it.
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The DIY boombox is based on the use of cheap speakers, a small battery for storing solar electricity, a PMP, a small amp and above all a 1.5W solar panel. Head over to Instructables for the complete DIY instructions.
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Old 21st November 2010, 12:02 PM   #64
knickick is offline knickick  Philippines
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Hey guys, this thing is very interested. solar power generator. I think you will like it. Please leave some comment. Thanks.
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Old 22nd November 2010, 05:07 PM   #65
mfong is offline mfong  United States
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It's intriguing, but why would you run an inverter to go DC-AC-DC again if we're talking about an amplifier? Second, it's a lot of money to supply what remains a very limited amount of electricity (enough to run a laptop for 3 hours). You'd have to be completely off the grid for it to make economic sense at this point.
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Old 22nd November 2010, 07:25 PM   #66
Saturnus is offline Saturnus  Denmark
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You could also DIY something far better suited for this use for far less money.
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