Caveman Modules Totem Pole Mixing Multimode VCF
The Totem Pole VCF is a versatile multimode voltage-controlled filter built around the classic 3109 OTA chip, featured in legendary synths like the Roland SH-101, MC-202, and Jupiter-8. With 16 filter modes and expressive modulation options, it delivers rich analog tones for any modular setup.
Key Features
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16 filter modes: LPF, HPF, BPF, Notch, and Allpass combinations across two mode banks.
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Drive control: Push the filter into overdrive for dynamic tonal shaping.
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Flexible CV inputs: Includes attenuator, attenuverter, and V/OCT control with half and negative half scaling.
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Compact Euro format: 12HP width, 25mm depth, fits any Eurorack system.
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Low power draw: +12V: 20mA, -12V: 10mA.
Specifications
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Width: 12HP
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Depth: 25mm
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Current Draw: +12V: 20mA / -12V: 10mA
Filter Modes
| Mode | Bank A | Bank B |
|---|---|---|
| 1 | 24dB LPF | 18dB LPF |
| 2 | 12dB LPF | 6dB LPF |
| 3 | 12dB HPF + 6dB LPF | 12dB HPF |
| 4 | 18dB HPF + 6dB LPF | 18dB HPF |
| 5 | 24dB BPF | 12dB HPF + 6dB LPF |
| 6 | 12dB BPF | 6dB HPF |
| 7 | 12dB Notch + 6dB LPF | 12dB Notch |
| 8 | 18dB Allpass + 6dB LPF | 18dB Allpass |


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