Triatt (Inverted for ~skiff use~)

3 channel attenuator and mixer

The three well-spaced knobs can act as active attenuators, attenuverters (bipolar) and inverting attenuators depending on the three position switches, and they can be more easily reached without patch cables in the way.

Each input is normaled to a DC voltage but this voltage is selectable for each channel to be 5V or 10V via jumpers. So with nothing plugged into the jacks, each knob controls a voltage amount. So if the rear jumper for channel A was set to 5V then the knob A would control the following ranges on Output A:
position 1: 0 to -5V
position 2: -5 to +5V
position 3: 0 to +5V

Skiff friendly (single pcb)
-Panel mounted pots with a lot of space so it is easy to interact
-3 modes for each channel
-5/10V normalling to inputs
-With external signals it acts as active/buffered attenuator/attenuverter/inverter

http://www.intellijel.com/eurorack-modules/triatt/