Water pump silent but vibrates. Can this cause recorded audio noise?

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questgraves

questgraves

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Nov 24, 2012
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I have a D5 Laing style pump/res combo that is sitting on a 1/4 block of foam and bolted to my case without washers. I can feel everything vibrating. The hardline tubes from the pump are the worst and touching the edges of MB I feel a slight vibration.

I have a Core X9 Thermaltake Cube Extended ATX case, Maximus Extreme VIII Motherboard. Supposedly the best and Sennheiser Game 0 Headset with noise cancelling mic.

I use my PC for work as well as play so when I'm in WebEx meeting with colleagues I have been told I have feedback. I've been on a hunt for months looking for the cause and with the help of Audacity I was able to record myself and hear what they might be talking about...granted I have to really turn things up but it sounds like a mechanical interference. I have this feeling it could be the water pump.

Any thoughts and if so, advice on isolating this so that I can actually enjoy the quality I paid so much for?

Thanks all, you have been a great asset to the computer world and I much appreciate each and every one of you.
 
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questgraves

questgraves

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Nov 24, 2012
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It's using a molex connector direct to the PSU
 
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questgraves

questgraves

Honorable
Nov 24, 2012
17
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10,520


Thanks for the quick reply.
Unfortunately my pump -while variable speed is only by a screw in the bottom of the pump itself and doesn't have a female 3 or 4 pin fan connector nor PMW functionality as the wires are only 2, hot and ground.

The power to the pump is a single molex connector however I suppose I could get an adapter but would you mind explaining what attaching to the motherboard would accomplish?

If it is to be able to adjust pump speed, I have tried them all just by feel and and it seems to like 3 (middle setting) is the best. It sort of "smooths out" at that point whereas 1 vibrates a lot and so does 5 a lot more. It could very well be that I need to change the speed however it's a huge pain in the butt to do. The screw isn't easily accessible without draining the loop and removing the hard tubing so that I can unbolt it from the case, change and try again.

You are giving me an idea for convenience and testing sake. Would an adapter like this one https://goo.gl/Ylf4lM allow me to use software such as speedfan or AI Suite to control the pump speed from the motherboard?

If so, does a motherboard fan header have enough amps to drive a D5 pump with a multiple block moderately restricted loop? It must otherwise they wouldn't make PWM pumps I guess.

Thank you again for the assistance
 
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questgraves

questgraves

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Nov 24, 2012
17
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10,520


I checked and it looks like it needs 2 Amps, however since it only has the 2 wires and does it's speed control inside the pump housing I also read it can damage the pump to run it at a lower voltage via the main input.

While the bottom of my case has holes they are pretty small. I was able to adjust the speed when I had soft tubing and the pump situated a little differently but now the new foam and case block the screw completely. I think my next step will be to cut out a piece of the foam where the speed screw is and drill a wider hole in the case floor to be able to reach it. This way I can try the speed with audio tests.

I am tearing down the loop soon anyway as I ordered some new fittings so I can try it then. I will report back my findings in case someone has a similar issue later.

Thanks for the assistance!
 
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