ReBach - GR21 VCF Low Pass Filter
The GR21 is developed for bass applications also applicable for FX, with extremely rough sound and deep frequency range.
It has one line input, one fixed CV input, one variable CV input and one line out. it has a Line Volume Controller which can give distortion on the pre-filter signal, a Frequency Controller for Filter Frequency, a CV input controller and resonation controller with self-oscillation setting.
Width: 8 HP
Current: + 12V: 11.1 mA, -12V 11.6mA
Ribbon wire 19cm, fixed connected to PCB
1x Audio input / 3.5mm jack / PLM 5V
2x CV input / 3.5mm jack (CVI fixed level. CVII adjustable level )
1x Audio output / 3.5mm jack
Voltage Controled Lowpass Filter
( PLM ) 18dB/oct