AW: [Doepfer_a100] A-101-2 VCA low level clipping?

From yahoo
Sent Thu, Sep 8th 2016, 07:53

I'll have a look at the module when I'm back from the Modular Days in
Linz/Austria next week.

Best wishes
Dieter Doepfer


> -----Ursprüngliche Nachricht-----
> Von: xxxxxxx_xxxx@xxxxxxxxxxx.xxx [mailto:xxxxxxx_xxxx@xxxxxxxxxxx.xxx]
> Gesendet: Mittwoch, 7. September 2016 22:59
> An: xxxxxxx_xxxx@xxxxxxxxxxx.xxx
> Betreff: [Doepfer_a100] A-101-2 VCA low level clipping?
>
>
>
>
>
> Hi All,
>
>
> I have an 18U system consisting 100% of Doepfer modules. My
> system is housed across two P9 suitcases. I am a huge fan of the
> system, but I am at a point of trying to improve the sound as
> much as possible.
>
>
> I own 3 x A-101-2 low pass gates. This issue is present in all
> three modules. As the VCA begins to open, obvious clipping
> occurs. This is not to be confused with saturation that occurs
> when the input gain is set past 5-6 (a desired effect). This one
> sounds different, it is a 'thin' low level distortion, a totally
> undesired effect. While it may go unnoticed in the busier
> situations, it is very prominent in the more subtle patches. It
> kicks in suddenly.
>
>
> To illustrate, I have uploaded the following clip to Soundcloud:
> https://soundcloud.com/sfx-lab/doepfer-a-101-2-clipping-issue/s-KzdLr
>
>
> A-101-2 is set up as follows: F/A: 0, Lev.: 4, Res.: 0
>
>
> 00:00 Direct sine output from A-110-4. No distortion.
> 00:05 A-110-4 sine out > A-132-3 audio in. A-132-3 CV modulated
> by A-143-9. No distortion
> 00:20 Same patch, A-132-3 replaced with A-101-2 set to VCA mode -
> CLIPPING OCCURS!
> 00:34 A-101-2 set to Both mode - CLIPPING OCCURS!
> 00:48 A-101-2 set to Low pass mode - clipping is barely noticeable.
> 01:02 A-101-2 is replaced with a Malekko Borg 1 set to VCA mode.
> No distortion.
>
>
> I have tried adjusting the trimmers to no effect. It is my
> understanding that the VCA is clipped. Even attenuating the
> signal before going into the module or adjusting the Lev. knob
> makes no difference.
>
>
> What could be done / upgraded to get rid of this low level clipping?
>
>
> Thank you very much in advance!
>
>
> All the very best wishes,
> Vytis Puronas
>
>
>
>
>
> 



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