Filter

RYK Modular - Night Rider - Quad Sequential Resonator

QUAD SEQUENTIAL RESONATOR
A sequencer and a filter-bank got together . . .
. . . and a love child was born !Introducing NIGHT RIDER, from RYK Modular
Four multi model filters…

Grp Synthesizer - Fixed Filter Bank

Twelve BP filters, one HP, one LP at spaced cutoff frequencies
Panel Width: 16 HP
+12V = 62mA
-12V = 60mA
+5V = 0mAManual

AJH - Gemini 2412 Dual SVF black

This module comprises two fully featured, and beautiful sounding 12db multimode filters, based around the classic vintage SEM filters. Each individual filter has LP, BP and HP outputs, along with…

AJH - Gemini 2412 Dual SVF silver

This module comprises two fully featured, and beautiful sounding 12db multimode filters, based around the classic vintage SEM filters. Each individual filter has LP, BP and HP outputs, along with…

IO Instruments - EUPORIE (VCF)

Four Pole LOWPASS VCF with Moog and Sallen&Key Resonance

Powerful Sound from sweet to overdriven with lot of character

Simultan 24dB, 12dB & 6 dB Filter Outs

12dB State Variable Highpass Input…

AJH-Synth Minimod Sonic XV black

The Sonic XV Eurorack module is a four pole Diode Ladder Filter, featuring the circuitry and sound of the Musonics Sonic V synthesiser, which has a quite different character from transistor ladder…

This is the first vactrol based module in the A-100 system. A vactrol is a combination of a light depending resistor (LDR) and a LED (light emitting diode) both put into a small light-proof case. For more general details about…

Doepfer A-101-1v Vactrol Multitype Filter (vintage)

This is the first vactrol based module in the A-100 system. A vactrol is a combination of a light depending resistor (LDR) and a LED (light emitting diode) both put into a small…

A-101-2 is a vactrol based combination of Low Pass filter (LP) and VCA and was inspired by the Buchla module 292. The term "Low Pass Gate" was created by Don Buchla and stands for a module that can be switched between low pass and…

A-101-2v is a vactrol based combination of Low Pass filter (LP) and VCA and was inspired by the Buchla module 292. The term "Low Pass Gate" was created by Don Buchla and stands for a module that can be switched between low pass…

Doepfer A-101-6 Six Stage Opto FET VCF

A-101-6 is a new filter module that uses so-called opto FETs to control the filter frequency. Opto FETs are very similar to Vactrols but use light depending field effect transistors (FETs)…

(In Doepfer Bag, no box)

Module A-102 is a reproduction of the legendary low pass filter design that uses diodes in the filter stage as frequency controlling elements resulting in "strange" resonance behaviour and frequency…

Module A-103 is a voltage controlled low pass filter with 18dB/octave slope. The circuit is based on a modified transistor ladder (Moog ladder) and is a reproduction of the legendary TB303 filter.

As for the rest the A-103 is…

A-104 is a fourfold formant filter as used in the Mixtur Trautonium by Oskar Sala. It is made of four parallel resonance filters, each filter can be switched to low pass or band pass or off. Frequency, resonance and level are…

Doepfer A-105-4 Quad Poly VCF

A-105-4 is Doepfers first polyphonic filter and contains four identical 24dB Lowpass filters (SSM2044 type). It has available common manual controls and CV inputs with attenuators for these…

(In Doepfer Bag, no box)

Module A-106-1 has it's origin in our experiments to built a MS20 filter clone. The module is not exactly the same as the MS20 filter but similar. The famous original MS20 included two filters: a 12 dB…

Module A-106-5 is a 12dB multimode filter that is based on the filter circuit of the Oberheim SEM module.The filter is equipped with a band pass output and a combined low/notch/high pass output. For this output a control knob…

(In Doepfer Bag, no box)

Module A-106-6 is a multimode filter that is based on the filter circuit of the Oberheim Xpander. The module features 15 different filter types (those filters of the A-107 that were available in the…

Module A-108 is a completely new voltage-controlled low pass pass filter based on the well-known transistor ladder (Moog ladder). The module has internally an 8 stage low pass filter with different slopes available: 6, 12, 18, 24,…

Module A-120 is a voltage controlled low-pass filter, which filters out the higher parts of the sound spectrum, and lets lower frequencies pass through. The Cut-Off Frequency determines the point at which filtering takes effect.…

(In Doepfer Bag, no box)

Doepfer A-120v 24dB Low Pass Vintage Edition (black)

Module A-120 is a voltage controlled low-pass filter, which filters out the higher parts of the sound spectrum, and lets lower frequencies pass…

Doepfer A-121-2 Multi mode filter

Module A-121 is a voltage-controlled multi-mode filter with a cut-off slope of -12 dB / octave. Four simultaneous outputs are available, each with different characteristics: low-pass, band-pass,…

Doepfer A-121-2V Multi mode filter (vintage black

Module A-121 is a voltage-controlled multi-mode filter with a cut-off slope of -12 dB / octave. Four simultaneous outputs are available, each with different characteristics:…

DOEPFER A-121-3 MICRO VCFModule A-121-3 is functionally nearly identical to module A-121-2. Only the distances between the controls and sockets are smaller and rubberized, small rotary knobs are used. Therefore the front panel…

Doepfer A-123-2 6/12/18/24 dB Highpass

A-123-2 is a voltage controlled highpass filter with four filter outputs (6, 12, 18 and 24dB slope). It also features voltage control of the resonance.

These controls and in/outputs are…

Doepfer A-124 SE Wasp Filter (Black & Yellow special edition)

Module A-124 is a special 12dB multimode filter using the "strange" filter circuit of the "EDP Wasp" (an analog synthesizer with black/yellow case built end of the…

Module A-124 is a special 12dB multimode filter using the "strange" filter circuit of the "EDP Wasp" (an analog synthesizer with black/yellow case built end of the seventies, manufactured by the UK company "Electronic Dream…

Module A-125 (VC Phaser) is a voltage controlled phase shifter.
Phase shifting can be controlled either manually or by voltage control.
Other parameters which can be controlled are resonance (governing the depth of the comb…

Module A-127 is a triple resonance filter unit. It contains three separate voltage controlled band pass filters. Each filter has it's own LFO (triangle waveform) with LED display and adjustable frequency and amplitude. Instead of…

Module A-128 (Fixed Filter Bank) is a filter bank, made up of 15 parallel band pass filters, all with fixed middle frequencies and bandwidth (50 Hz / 75Hz / 110Hz / 150Hz / 220Hz / 350Hz / 500Hz / 750Hz / 1.1kHz / 1.6kHz / 2.2kHz…

Module A-196 contains a so-called phase locked loop (PLL). The basic PLL system is shown in the sketch at the bottom of this page. A PLL consists of three parts: voltage-controlled oscillator (VCO), phase comparator (PC), and…

Grp Synthesizer - VCF 24dB Low Pass

Transistor Ladder Filter w 1-4 poles LP and SELECT aux out
Two audio in (one adj) and two CV In (one adj)
Cutoff, Res, w Automatic Gain Change and ext CV in
Distortion, Amt Res CV In
Panel…

INTELLIJEL DR. OCTATURE II (VCO/LFO)4-POLE LOW PASS FILTER AND OCTATURE SINE WAVE VCO/LFOJust like the original Dr. Octature the basis of the module is a 4-pole lpf inspired by the classic “cascaded ota” design, but realized…

µVCFIntroducing the µVCF state variable filter.

This is another great David Dixon filter design that has been on the workbench for a while. It is a very clean and precise filter that also doubles as an excellent sine VCO.

It…

ReBach - CATCH VCF-A

tasty filter with extreme resonance / self oscillation

∙ Eurorack Voltage Controlled 2 pole Lowpass Filter.
∙ High feedback / self oscillation level !
∙ 1 signal IN / 1 signal OUT / CV1 IN (adjustable)…

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…

Tiptop Audio Z2040 4-Pole Prophet 5 VCF

The Z2040 is a great sounding analog that gives a lush creamy character to any sound passing through its core. When paired with a snappy envelope like the z4000, the Z2040’s rubber-like…

TouellSkouarn Ar Merc’het Brao Module

The Ar Merc’het Brao module is comprised of two filters and two overdrives.

As usual at Touellskouarn it has a Breton name: Ar Merc’het Brao means "The pretty girls".

It can be used…

WMD Quad Anti Aliasing Filter (QAAF) Black

he WMD Quad Anti Aliasing Filter (QAAF) was conceptualized as the first expansion for the Phase Displacement Oscillator.

It is designed to eliminate aliasing and stair-step distortion…

DOEPFER A-106-6V XP VINTAGE EDITIONModule A-106-6V is a multimode filter that is based on the filter circuit of the Oberheim Xpander. The module features 15 different filter types with 8 filters available simultaneously.

The…

Doepfer A-121s Stereo Multimode Filter

Module A-121s is a dual multimode filter which can be used for stereo applications as well as for parallel or serial organized dual mono filters. The core is a 12dB multimode filter…

Doepfer A-121sV Stereo Multimode Filter Black

Module A-121s is a dual multimode filter which can be used for stereo applications as well as for parallel or serial organized dual mono filters. The core is a 12dB multimode filter…

Frap Tools Fumana Dual 16 Bands Spectral Editor Modul

The FUMANA is an all analog dual filter bank with various control to access dynamically these bands. Each filter bank is composed of an array of 16 independent 48dB/oct…

Doepfer A-105-2 24dB SSI Low Pass Filter

Module A-105-2 is a voltage controlled low pass filter with 24dB/octave slope. It is the successor of the A-105 which had to be discontinued because the obsolete SSM2044 filter circuit.…

Doepfer A-105-2V 24dB SSI Low Pass Filter (black)

Module A-105-2 is a voltage controlled low pass filter with 24dB/octave slope. It is the successor of the A-105 which had to be discontinued because the obsolete SSM2044 filter…

Doepfer A-121d Dual Multimode Filter

Module A-121s is a special dual multimode filter which can be used for parallel or serial organized dual mono filters. Even stereo applications are imaginable. The filter are based on two…

Doepfer A-121dV Dual Multimode Filter (black)

Module A-121s is a special dual multimode filter which can be used for parallel or serial organized dual mono filters. Even stereo applications are imaginable. The filter are based on…

Doepfer A-124-2 Wasp Filter

Module A-124-2 is the slim version of the Wasp filter module A-124.
The main difference compared to the A-124 are the small controls for Mix and Input Level because for lack of space. And the lowpass…

Doepfer A-124-2SE Wasp Filter black/yellow Slim Line

Module A-124-2 is the slim version of the Wasp filter module A-124.
The main difference compared to the A-124 are the small controls for Mix and Input Level because for lack of…