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Old 27th March 2004, 04:02 PM   #11
fcel is offline fcel  United States
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Has anybody try this "Aquarius II Liquid Cooling" on their computer or power amps?
http://www.xpcgear.com/theraqiicomw.html
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Old 27th March 2004, 04:28 PM   #12
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Quote:
Originally posted by fcel
Has anybody try this "Aquarius II Liquid Cooling" on their computer or power amps?
http://www.xpcgear.com/theraqiicomw.html

The Aquarius II is actually a very poor water-cooling system. It provides adequate cooling capacity to keep a CPU dissipating 60-80W around the same temperature as a decent copper Heatsink, 40-50&degC. It is a fairly quiet system, but unless you plan on using one for each output device, it would not handle a class-a amp. For that, you would need a much larger radiator, such as a car heater core, and multiple quiet fans running at low voltage.
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Old 27th March 2004, 06:32 PM   #13
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Default Free heat exchanger in SE England

I was given a huge heat exchanger (with dual 15" fans) that stands about 5' high, 2' wide and about 10" deep (from a Mitsubishi AC system i think).

I have not gotten around to using it yet and don't see that i will, but it's too good to waste so if anybody out there wants to cool just about anything big and powerful (would easily do a home cinema system based on aleph 2's or maybe 1.2's!!) it's up for grabs.

I'll post this on the trading post as well.
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Old 27th March 2004, 08:10 PM   #14
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Yea, But those are made for pumping several ML per minuite! We'd need a pretty darn large version of one of these to be of use in a large amp. With typical water cooling you can locate the pump and tank/heat exchanger elsewhere so its really of little comsiquence.

Mark
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Old 27th March 2004, 10:26 PM   #15
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Quote:
Originally posted by Mark A. Gulbrandsen
Yea, But those are made for pumping several ML per minuite! We'd need a pretty darn large version of one of these to be of use in a large amp. With typical water cooling you can locate the pump and tank/heat exchanger elsewhere so its really of little comsiquence.

Mark
Correct, supposidly, Cooligy's E-K pumps are the first to be able to provide such a flow. My additional postings on existing EK pump have stinky performance.

Another thing, since these pumps will be so cheap, small, reliable, & low power, I would expect to use 1 pump / transistor with it's own piping to the external large heatsink.
The easy DC votlage = speed on each pump will also allow for easy temperature regulation on each transistor in such a design.
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Old 27th March 2004, 10:53 PM   #16
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Or better yet build these puppys right intp the transistor casing or at least in the form of an insulating pad!
Mark
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Old 28th March 2004, 02:49 AM   #17
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Quote:
Originally posted by Mark A. Gulbrandsen
Or better yet build these puppys right intp the transistor casing or at least in the form of an insulating pad!
Mark
Now, that's a COOL idea!
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Old 29th March 2004, 08:24 AM   #18
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Quote:
Originally posted by Mark A. Gulbrandsen
Or better yet build these puppys right intp the transistor casing or at least in the form of an insulating pad!
Mark
You know what, maybe, not the pump, but, make the metal tab / frame of the transistor with a built in liquid channeling with water pipe inlet and outlet. This way, there will be no separated bolted on water heatsink tab thermally bonded with heat sink compound.

I bet it may be possible to do it with a TO3 transistor case & a programmable engraving machine to make some fins, and bolt on a copper faceplate with an entry & exit pipe attachment.
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