Doepfer

Hello

it is difficult to judge for us. Maybe you should post record an example 
on soundcloud so we can tell you whether it is normal or not.

Record first the filteroutput with a simple sawtooth and then (without 
changing the level) the filter-noise without any input signal.

Florian


On 13.02.13 19:58 , isoldeandisobelle wrote:
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>
> --- In Doepfer_a100@yahoogroups.com, "isoldeandisobelle"  wrote:
>>
>> Hi,
>>
>> If I take the output (without any input)from my A-107 and feed it into my A-138B mixer, a constant noise can be heard, like the sound of a noise generator,this is louder on some filter presets than others.
>> If this signal is fed through a VCA, then the sound is, as to be expected, much louder....the sound is also there when the filter is receiving a sound source.....any suggestions, please.
>>
>>
>> Kind regards
>>
> Hi,
>
> Any help with this?
>
> I had already returned this module to my place of purchase, who passed it on to Doepfer, as it was producing the same ''noise'' sound but also was faulty in that every filter was not operating correctly, and was kindly replaced once tested.
>
> Thank you
>
>
>
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