FILTERS

M 504

Low Pass

Ladder 

Filter

M 505

Multimode

Filter

M 517

Dual 

Hi/Lo Pass

Filter

M 517 S

Single

Hi/Lo

Pass Filter

M 504

Low Pass 

Ladder Filter 

This VOLTAGE CONTROLLED LOW PASS FILTER is a traditional ladder-type filter, switchable 12/18/24 dB/oct with voltage controllable cutoff frequency and regeneration.

M 505

Voltage Controlled Multi Mode Filter

The MULTI MODE FILTER features low pass, high pass, band pass (12 dB/oct each) and notch mode (6 dB/oct), which are available simultaneously as well as combined at the mixed output, where the filter mode is voltage controlled. Cutoff frequency and resonance are voltage controllable too.

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M 517 

Coupled Dual Voltage Controlled

High Pass/Low Pass Filter

This module combines two VOLTAGE CONTROLLED FILTER circuits in one triple-width unit. The two identical filters are switchable high pass/low pass filters with independent controls for cutoff frequency and regeneration. 

The four-mode combinator allows using the filters as – two separate filters (”stereo mode“) – two filters in series (”maximum slope“) – notch/band reject mode – band pass mode. 

The balance between filter 1 and 2 and the bandwidth are voltage controllable. 

An additional jack combines both filters' audio outputs.

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M 517 S

Voltage Controlled

High Pass/Low Pass Filter

The SINGLE VOLTAGE CONTROLLED FILTER is one half of the 517 module without the combinator part, featuring a single high pass/low pass filter with voltage controllable cutoff frequency and regeneration.

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