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Old 7th November 2007, 08:06 AM   #1
juneray is offline juneray  Philippines
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Smile 500w power amplifier

can i have some schematics on a 500w power amplifier,those with power transistors and power supply...please, help me..thanks..
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Old 7th November 2007, 08:18 AM   #2
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Hint: Use search.

This question gets asked, what seems like, every week.

regards
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Old 7th November 2007, 08:36 AM   #3
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500W into what load?
specify your power application.
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Old 7th November 2007, 08:42 AM   #4
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Quasi http://www.adam.com.au/cgpap/QuasiWeb/index.htm

try....

here's one more.........

http://users.ece.gatech.edu/~mleach/...77articles.pdf

pls. do read

inata ra ang supply to cope with

longthrow: musta bai!
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Old 7th November 2007, 09:10 AM   #5
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http://rapidshare.com/files/21526458/500W.zip.html
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Old 7th November 2007, 09:45 AM   #6
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ok ra bay,how 'bout you?...get busy lately 'cause of diy intercom assy. for mug comm.
yet always spend time for old/new amp topologies...
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Old 7th November 2007, 01:19 PM   #7
juneray is offline juneray  Philippines
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500w into 8 ohms load...
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Old 7th November 2007, 01:46 PM   #8
AndrewT is offline AndrewT  Scotland
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500W into 8r0 will need supply rails between +-100Vdc to +-110Vdc.
That 200V to 220V inside the amp is lethal if you make a mistake.

150V to 200V Capacitance is going to cost more than the rest of the amplifier.
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Old 7th November 2007, 01:53 PM   #9
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Quote:
Originally posted by juneray
500w into 8 ohms load...
How much may it cost? Maybe you should look for some used PA amp?
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Old 7th November 2007, 06:08 PM   #10
walkura is offline walkura  Poland
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Isnt this the elektuur (dutch elektor) kilowatter from hmmmm about 15 years ago ?
When i saw the schematics Kapibara posted i think i seen this schematic .
My instinct tells me this was published early 90's (maybe late 80's)
Was a cool amp for those days (especialy combined with the elektuur preamp)
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