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Old 27th June 2013, 03:57 PM   #51
AVWERK is offline AVWERK  United States
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Have any of you looked at Vandersteen's new liquid cooled amp?
I seen it at CES in Vegas last January and suspect its coming out soon.
Very expensive stuff and interestingly different from the norm.

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David
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Old 27th June 2013, 04:22 PM   #52
bcmbob is offline bcmbob  United States
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I did some investigation on phase cooling this morning. It looks interesting and very effective. I do have some concerns about both the complexity of that approach as compared to the simplicity of standard air convection heat sinks. The liquid system adds more elements than I would prefer, but appears to be a more broadly acceptable application. I surely will seek better understanding of phase cooling for a future project, but for now I'll stick with what I have some actual experience with. I think even the condensation problem could be solved by careful placement of "cold Spot" along the cooling path/loop. I would encourage you to try to develop something similar to your PC system for audio. I'll have to catch up with you later.
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Old 27th June 2013, 04:48 PM   #53
bcmbob is offline bcmbob  United States
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AVWERK,

Just looked that up on Google. Looks like a similar approach. I'll just note that I'm in the $65 neighborhood for all the components in the cooling module.

Maybe the extra $29,935 - $40,000 does something miraculous to the water - maybe a tap for a glass of Domaine de la Romanee-Conti Romanee-Conti Grand Cru, Cote de Nuits, Francer
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Old 27th June 2013, 04:49 PM   #54
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Hahaha... Too true.
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Old 28th June 2013, 02:19 AM   #55
AVWERK is offline AVWERK  United States
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Yes the days of his very cheap and decent prodoucts are behind him..,,. Alas....
Now were forced to go it alone and enjoy the process even more!

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David
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Old 28th June 2013, 09:09 AM   #56
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Originally Posted by nubskillz View Post
Phase cooling would be relatively easy. The part I'd worry about is condensation. On my PC I had to use an heating element around the core of the chip as to warm it back up to avoid condensation to happen, and subsequently a short.
And how about placing the circuitry inside some kind of sealed small box full of oil? One side of that box would be a metal plate attached to the phase cooling exchange element.
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Old 28th June 2013, 01:41 PM   #57
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And how about placing the circuitry inside some kind of sealed small box full of oil? One side of that box would be a metal plate attached to the phase cooling exchange element.
What about a pair of small freezers painted black or with wood grain vinyl? They could house your speaker units and keep the voice coils cool, plus they could contain your amplifiers.
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Old 28th June 2013, 03:54 PM   #58
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Putting the entire amp inside a sealed mini fridge with a bucket of silica desiccant is the easiest way out, cheap and effective. I used to do it with 4 1u blade servers running a raid array of 15k SCSI drives. They where designed for air conditioned racks, but I couldn't afford those in my house....
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Old 11th July 2013, 07:17 AM   #59
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Putting the entire amp inside a sealed mini fridge with a bucket of silica desiccant is the easiest way out, cheap and effective. I used to do it with 4 1u blade servers running a raid array of 15k SCSI drives. They where designed for air conditioned racks, but I couldn't afford those in my house....
But the problem is that estandar home refrigerators aren't prepared for that duty cycle, they assume that constant heat load would be near to zero. In fact some freezers have a turbo mode in case you put a load of warm food on it at a time.
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Old 11th July 2013, 12:41 PM   #60
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But the problem is that estandar home refrigerators aren't prepared for that duty cycle, they assume that constant heat load would be near to zero. In fact some freezers have a turbo mode in case you put a load of warm food on it at a time.
That's good to know, I was 15 when I did it and I used an old top loaded freezer that had been previously used in a restaurant. It might have been a little beefier than a regular fridge...
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