> I'm building a switch for the A127 BOM so I can easily choose one of the four filter types. But before actually
> connecting I want to make sure I'm right about the pin out.
>
> Please see: http://www.pulsepsycle.nl/wp-content/uploads/BOMCapture.jpg
>
>
> Obviously maybe but I assume B is connected to E right
>
>
> Thanks for any info.
>
>
> Best regards, Karel.

Yes, B and E are connected (the common pin) and the other terminals are the filter outputs (A = notch, B = LP, D = BP, F = HP).

Best wishes
Dieter Doepfer