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Old 20th August 2010, 03:25 PM   #11
diyAudio Member
Join Date: Mar 2010
I'd be hesitant to use a computer power supply generally. They won't have enough available amperage on the 12v rails.

I have a Cascade power supply I use to test car audio equipment. That would work fine for driving a high amperage 12v car amplifier.
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Old 20th August 2010, 04:11 PM   #12
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Join Date: Feb 2009
pc psu??? no no no no. if the amp delivers 300W and is class A/B, you need at least 1200W psu.
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Old 20th August 2010, 08:59 PM   #13
srinath is offline srinath  United States
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Join Date: Feb 2010
The problem is not the amp in a car, they do put out good bit of power. If you were to wire and cram a 700 watt amp in your house and drove house speakers ... well lets just say, X max on any speaker can be several feet. Sadly it an only happen 1 time.

Car amps dont have clarity but that is a full range amp. car sub amps are quite good. They are 1 trick pony's but that's fine.
Car speakers are hard as a rock. That is cos they have to resist being crammed in a ricer with 1/8 th inch suspension travel. Put a good woofer in with a 2-300 watt car sub amp and feed it the power it needs and it can easily perform like a good house sub.
I do like that plate amp but I dont want to cut the cabinet. Car amp would probably get screwed to the back of the cabinet cos its meant to fit in a flat surface, not in a cut out.

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Old 21st August 2010, 12:47 AM   #14
srinath is offline srinath  United States
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Join Date: Feb 2010
Holeee cow. OK I better re think car amps.
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