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Old 20th June 2012, 06:57 PM   #1
diyAudio Member
 
Join Date: Apr 2012
Arrow How can i power up my current output ?

i have 2.1 channel hand made hi-fi

it's running on my pc.

Left and right channels are 12W Rms 12W Rms.2 = 24W Rms

mono channel is = 25W Rms

how can i add some power only my mono channel 25w up to ~50W

i wanna ~50W

Waiting your suggestions
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Old 20th June 2012, 07:47 PM   #2
AndrewT is online now AndrewT  Scotland
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Location: Scottish Borders
Build a new Power Amplifier.
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regards Andrew T.
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Old 22nd June 2012, 10:37 PM   #3
dangus is offline dangus  Canada
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Join Date: May 2004
Location: Vancouver Island
Buy or scrounge an old stereo receiver or integrated amp. Those can be nearly free (I found working receivers in a recycling bin and a scrap pile).

Possibly a better option for a 2.1 system is a 4 channel car amp, powered from an ATX computer supply. Those amps nearly always have built-in active crossovers, and the ability to bridge two channels to mono for a subwoofer. Used amps can be pretty cheap, like just a few bucks at a yard sale.
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