Dieter -
I would think about also make the opposite of a buffered multiple - a unity summer. Dual three inputs and one output sections normalized to each other. It is often needed when transposing sequencers or other sources to destinations that don’t have multiple 1V/oct inputs. I know a mixer can be used to do this but a 1:1 summing module would do it easier with no adjustments needed. As far as I know there are very few of them on the market (intellijel and Xaos make them).
-James

> On Jun 1, 2015, at 5:34 AM, yahoo@... 1 < Doepfer_a100@yahoogroups.com > wrote:
>
>> I am no designer, but instead of designing a new panel, why not do a A-180-3 Same design as the 180-1 but active
>
> In the A-180-1 all sockets are equal because they are simply connected (a passive module). In a buffered multiple you have to
> distinguish between the input and the outputs. Consequently a different panel is required (same psition of the holes, but different
> silk screen printing to show the in/outputs). A bit like the A-138u panel but reverse, i.e. 2 x (1 input and 3 outputs) instead of 2
> x (3 inputs and 1 output).
>
> Best wishes
> Dieter Doepfer
>