BMC49. Attenuverting Mixer

This is a DC coupled, four channel attenuverting mixer. It is expandable to eight channels.


The board features PC mounted pots, for less wiring and also mounting holes for flexibility. There are Eurorack and MOTM power connecters. It can be built in +/-12V or +/-15V systems without any modifications.

For complete information on this module, download this PDF file.  

A PCBis $8.
Unfinished panels are for sale for $8 each.
Please read this page on unfinished panels before ordering.
If you'd like to drill your own panel, here is the drill guide that I use to make these panels. It should be printed at 300dpi.