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Need help to resolve some high pitch sound "zinngg" between


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#1 N3w_Typ3

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Posted 10 February 2011 - 02:21 PM

Hi Guys,

I really don't know how to resolve this matter. Recently I got myself a A2 and I am using back my old Zero DAC (the one only have optical or coaxial in).

When I start using it my speaker sometimes will produce the ZZZINNNGGG sound. It is quite irritating so I need some experts insight to help resolve this matter.

Current I'm directly using the Optical Out from my PC MOBO.

Thank you in Advance.

QUOTE


A little update.

(Original cable used 3 meter L-2T2S Canare cable)
Did a test to see if my cable was damage, tried moving the cable around while connected no distortion of noise but funny part is when every I touch my A2 volume pot, there is static sound hiss.
Question is my A2 not earth but...

(Cheapo RCA cable but right Side damage) (recommend by wwenze(vr forum) to try out)
Unable to find out much since the Right channel was dead but to my surprised the static issue I had no long appear if I am using this cheapo cable.

(Mini Jack to Mini Jack)
Tested and working fine. No static sound when touching the A2 Vol pot.

(Optical Out from Mobo)
(Optical Out from USB MD-port DG2)
Did a test to see if it was my Mobo Optical out causing problems
After testing both the same problem appears....

Current Setup
USB MD-Port DG2 --> Zero DAC --> (cable) --> A2

I am considering to try out silver cable for RCA to RCA ends... if it does not work out I might go back and change it to RCA to mini Jack.


Edited by N3w_Typ3, 10 February 2011 - 09:37 PM.

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#2 Faileas

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Posted 14 February 2011 - 09:19 AM

Off the top of my head

is it a sizzling sound, or a high pitched starting sound that goes lower? (the former might be bad connection. the latter some form of feedback)

What's the connectors on the canare cable? - i'm assuming rca - try doing a quick continuity test with a multimeter to see if anything that shouldn't have continuity does.

since both channels of the RCA cable are the same, try swapping the connectors of the cheapo RCA cable, and try touching the volume control to see if the same thing happens

try a mini jack -rca connector to narrow down which side the problem is in

#3 N3w_Typ3

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Posted 14 February 2011 - 05:50 PM

QUOTE(Faileas @ 14 Feb 2011, 09:19 AM) View Post

Off the top of my head

is it a sizzling sound, or a high pitched starting sound that goes lower? (the former might be bad connection. the latter some form of feedback)

What's the connectors on the canare cable? - i'm assuming rca - try doing a quick continuity test with a multimeter to see if anything that shouldn't have continuity does.

since both channels of the RCA cable are the same, try swapping the connectors of the cheapo RCA cable, and try touching the volume control to see if the same thing happens

try a mini jack -rca connector to narrow down which side the problem is in


Hi,

Thanks I still trying to narrow down the issues but a little busy with work so... I update here when I have the chance to try out.
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