Caveman Modules Totem

Pole Mixing Multimode VCF

Totem is a multimode voltage controlled filter with 16 different filter modes based on the 3109 OTA chip used in classic synths like the Roland SH-101, MC-202, Jupiter-8 and others.  

Features:

Massive drive control for endless tone variety
CV control via attenuator
CV control via attenuverter 
V/OCT control with half and negative half scaling

Filter Modes:

Mode A B
1 24dB LPF 18dB LPF
2 12dB LPF 6dB LPF
3 12dB HPF + 6dB LPF A 12dB HPF
4 18dB HPF + 6dB LPF 18dB HPF
5 24dB BPF 12dB HPF + 6dB LPF B
6 12dB BPF 6dB HPF
7 12dB Notch + 6dB LPF 12dB Notch
8 18dB Allpass (phase) + 6dB LPF 18dB Allpass (phase)

https://michigansynthworks.com/products/caveman-modules-totem-multimode-vcf