Amplifier Problem !!! - Page 2

pinkmouse · 14th November 2002, 10:52 PM

D.J.-

Is this the amp we worked out in another thread that was actually only about 150W?

kevin gilmore · 15th November 2002, 12:01 AM

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

Dj BASS AMP · 15th November 2002, 08:39 AM

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...

trwh · 15th November 2002, 10:48 AM

"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.

kevin gilmore · 15th November 2002, 01:12 PM

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.

14th November 2002, 10:52 PM	#11
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	D.J.- Is this the amp we worked out in another thread that was actually only about 150W? __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

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15th November 2002, 12:01 AM	#12
kevin gilmore diyAudio Member Join Date: May 2002 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

15th November 2002, 08:39 AM	#13
Dj BASS AMP Account Disabled Join Date: Jul 2002	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...

15th November 2002, 10:48 AM	#14
trwh diyAudio Member Join Date: Apr 2002 Location: UK	"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.

15th November 2002, 01:12 PM	#15
kevin gilmore diyAudio Member Join Date: May 2002 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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