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Author Topic: Re: Persistent high pitched sound  (Read 91 times)

gomango

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Re: Persistent high pitched sound
« on: July 01, 2018, 05:25:49 am »
I had the same problem, after testing the voltages at the rails with a scope and then the output of the "Golden Profit" switching power supply I came to the conclusion that the power supply is the culprit.

any filtering in the Rackbrute just lets it through.

there is an imposed 10mv 2khz signal on the output and this just gets pumped through the whole unit.
10mv seems small but I can hear it out the speaker easily.

returned the unit and just wait and see what happens.



Edouard_Arturia

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Re: Persistent high pitched sound
« Reply #1 on: July 02, 2018, 11:32:16 am »
Hi !

Can you please create a support ticket with all the useful information you can provide?
We are very interested to look into this issue.

Sorry for this inconvenience.

Best Regards.

Edouard
Edouard Arturia

gomango

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Re: Persistent high pitched sound
« Reply #2 on: July 12, 2018, 03:30:34 am »
hi.

I don't know what a "support ticket" is.

anyways like I said I returned the unit.

Long & McQuade 368 Terminal Avenue B.C. Canada

I explained the problem, refunded my payment, and he said that they would send it back.

06/30/18   serial #5501400378010843

take care


Edouard_Arturia

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Re: Persistent high pitched sound
« Reply #3 on: July 17, 2018, 09:56:34 am »
Hey

Thanks for the follow up.

We will look into it.

Best Regards.

Edouard
Edouard Arturia

 

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