Erwik Musikelektronik

Multimode filter

Based on the filter used in the Oberheim Matrix 12 and Xpander.

This Matrix 12 filter is a limited edition module, with only 12 filters produced by Jesper Johansson (ERWIK) in Sweden. It was produced in the end of the 90s.

Features:

2 Audio inputs. 2 VCA´s adjusting the input signals (manual or with CV). Filter "cutoff" and "Q" controllable manual or with CV. 1 VCA controlling the output signal (manual or with CV). Filtertype can be selected manual or with trigger at input "UP" & "DOWN".

Software: Switching on your system you can choose between 4 different modes.

1. No button pressed - normal function.
2. Downbutton pressed - rotating filtertable.
3. Upbutton pressed - faster triggering/switching filtermode.
4. Both buttons pressed- rotating filtertable as well as faster triggering/swithing filtermode.

The display gives an indication of 'r' or 't' as well as both.

Filters:

1 pole Low
2 pole Low
3 pole Low
4 pole Low
1 pole High
2 pole High
3 pole High
2 pole Band
4 pole Band
2 pole Notch
3 pole Phase
2 pole High + 1 pole Low
3 pole High + 1 pole Low
2 pole Notch + 1 pole Low
3 pole Phase + 1 pole Low

Very limited edition (Only 12 manufactured worldwide).