On 13.02.13 22:17 , isoldeandisobelle wrote:

> Here is the soundcloud link - https://soundcloud.com/isolde-and-isobelle/a-107
>
> First with a sawtooth and then just the filter out as I turn through the filter presets....it is also more noticeable with something like a sine.

I don't own a A_107, but I even could imagine, that this is the normal
noise level at certain filtersettings. Especially if high pass filters
are placed as last part of the filteralgorithm. Dieter may jump in here.
Perhaps the bandpasses are generated using LP->HP instead of HP->LP.

Florian