Doepfer

Hello,

I've noticed this too about the A-121.  There is information elsewhere about modifying an A-120 for increased input gain; would it be straightforward to modify the A-121 to get more gain as well?

Has anyone done this?

Ernst


--- In Doepfer_a100@yahoogroups.com, "Michael Wagner" <michael.wgnr@...> wrote:
>
> Ever since I own an A-121, I suspected, that its output is quite low
> in comparison to the plain oscillator output level. Yesterday I made a
> comparison between the A-121 and the A-105, that I received recently.
> I routed a sawtooth from the A-111 to both of their inputs. I tweaked
> the Input attenuator of both filters so, that the levels are just at
> the point before the input signals are distorted by the filter. The
> filters were both fully opened without any modulation or resonance. I
> normalled the A-105 output to 0db deviation from line level in my
> little mixer and then checked the output level of the A-121, which
> seemed to be around 20db lower in output. Is this the normal behaviour
> of this filter?
> 
> Thank you for any assistance in this,
> -Michael
>