Hello Dieter

> The planned (probably dual) SC filter will be a suitable supplement

to the

> BBD modules as it will probably include two 30dB filters with common
> frequency control. One of the filters can be used for the audio input (if
> desired), the second for the audio output of the A-188-1.

How about a dual SC hi pass filter to eliminate unwanted low
frequencies. Just a common freq control (20 - 200 Hz) and some
really steep slopes. That would be great for protecting monitors,
cleaning up a mix or splitting up a bass sound.

By the way: really enjoying the BBD module, it's madness

Greetings,

Anton