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Old 14th November 2002, 10:52 PM   #11
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D.J.-

Is this the amp we worked out in another thread that was actually only about 150W?
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Old 15th November 2002, 12:01 AM   #12
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Location: wheeling illinois
Lets see, a 150 watt amp clipping its brains out into
2 x 4 ohm speakers in parallel. i.e. 2 ohms.

Keep fire extinguisher handy...

Reading all of this persons other posts it is obvious that
he is still searching for a free lunch.

Get a carvin or mackee or other real sound reinforcement
amp. Better yet, get a digital amp and it will run cool.


Or build my uber amp which is a measley 800 watts rms
per channel into 8 ohms. Slight little detail, weighs 350 lbs
plus the water chiller.

http://gilmore.chem.northwestern.edu/heatsink.jpg

cooled by this

http://gilmore.chem.northwestern.edu/chiller.jpg

and filled with this

http://gilmore.chem.northwestern.edu/heavywater.jpg


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Old 15th November 2002, 08:39 AM   #13
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the amp is 800W RMS made in israel...
the speakers is 900W RMS ~ 4 Ohm...

I t test the temperature with thermometer... - 55 c +/-

soo... thanks all for help...
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Old 15th November 2002, 10:48 AM   #14
trwh is offline trwh  United Kingdom
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"if my amp at around 45 - 65 degrees C heatsink temperature...
it is ok?..."

This should be fine - as long as this temperature is stable, i.e. not slowly climbing.

"if the amp will shut down it is dont good !"

Yup. As you have seen I am not the only one recommending a good quality PA amp as opposed to a "DJ" amplifier

See ya,
Tim.
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Old 15th November 2002, 01:12 PM   #15
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Location: wheeling illinois
buy yourself a pair of these

http://www.tripath.com/0105_eboard.htm

bridge each for mono, add two power transformers
and a couple of power caps and get 1500 watts rms
per channel.

cheap and effective. runs stone cold.
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