modular systems » Eurorack modules

Digital stereo effect processor with 16 custom effects, dry/wet control and adjustable clock rate reduction. Each effect has two different parameters. The module is entirely voltage controllable, even the effect program selection.
Included are various delays, from conventional ones over some with pitch shifting to granular delays but also reverbs filter /saturation and a chorus are supplied.

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This excellent analog oscillator is based around a triangle core and has been built around discrete transistors, providing for amazing sound and high stability. What makes the 3021 extra special is the use of complex wave shaper and a triple PWM circuit for a rich and living character. An finally the VCO features voltage controllable crossfading between the waveforms and linear FM.

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Behind the Philter is none else than the fantastic multi mode filter from the Phenol synthesizer, adapted for Eurorack. At first glance it looks pretty simple and tame, yet soundwise it is completely massive and big filter which grades up the sound of any "slow coach" VCO.

Details

Vintage edition with a black faceplate and custom knobs.

The A-140 is a fast ADSR type envelope generator with both positive and inverted outputs as well as a retrigger input. The coarse time range of the A-140 can be selected from three settings by a rocker switch.

Details

Vintage edition with black faceplate and custom knobs.

The A-188-1 series bases on a so-called bucket brigade device (BBD) that has been used in the pseudo-digital delays of the 1980s.
The version with 512 stages provides a delay time of 1.02 - 512 ms.

Details

Vintage edition with a black faceplate and custom knobs.

The A-188-1 series bases on a so-called bucket brigade device (BBD) that has been used in the pseudo-digital delays from the 1980s.
The version with 1024 stages provides a delay time of 2.05 - 1024 ms.

Details

Vintage edition with a black faceplate and custom knobs.

The A-188-1 series bases on a so-called bucket brigade device (BBD) that has been used in the pseudo-digital BBD-delays.
The version with 2048 stages provides a delay time range of 4,10 - 2048ms.

Details

Vintage edition with a black faceplate and custom knobs.

The A-188-1 series bases on a so-called bucket brigade device (BBD) that has been used in the pseudo-digital BBD-delays.
The version with 4096 stages provides a delay time of 8.19 - 4096 ms.

Details

Vintage edition with a black faceplate and custom knobs.

The A-188-1 series bases on a so-called bucket brigade device (BBD) that has been used in the pseudo-digital BBD-delays.
The version with 128 stages provides a delay time of 0.26 - 128ms and is great for Karpluss-Strong synthesis.

Details

Vintage edition with a black faceplate and custom knobs.

Analog sequencer for CVs and trigger/gates. Two CV rows, each with selectable voltage range, glide and sample & hold optons. Three trigger rows and a one gate row. Logic inputs for clock, reset, start and stop. It's even possible to insert external signals per step instead, overriding the CV generated by the 2nd row's potentiometer.

Details

Vintage edition with black faceplate and custom knobs.

The A-154 is an additional module for Doepfer's sequencer A-155 expanding it by a number of very interesting functions like CV selectable new modes of operation, e.g. one-shop and voltage controlled step addressing. A VC clock generator with variable pulse width is included as well. It's even possible to connect and control two A-155s either in parallel or in series for creating a 16-step sequencer.

Details

Vintage edition with black faceplate and custom knobs.

Voltage controlled sampler module which can also be used as wavetable oscillator and simple digital effect device. Due to its audio resoultion of 8bit, the A-112´s sound is comparable to early samplers that are quite rough but can be distinctive and somewhat charming. In combination with the wavetabe oscillator function the A-112 makes up an interesting additional sound source for the modular system.

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The VC Dual Delay is a two-channel echo effect based on the popular Princeton PT-2399 chip. Its most important feature is a feedback path equipped with high-pass and low-pass filters, which can be broken at two points to add external audio processors. Other important features include the voltage-controlled delay time, positive and negative feedback as well as cross-routing options. The echo channels can work in parallel or in serial. Thanks to normalizations, the module is perfectly suited for processing stereo material. In short: The VC Dual Delay is an excellent partner for creating classic as well as innovative, metallic echo and modulation effects.

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The M/S Matrix module converts stereo material with left and right channel into the M/S format. – And vice versa. This allows users to transform conventional stereo signals into M/S material, process mid and side separately via external modules and then convert them back again. All inputs are equipped with volume controls, meaning any level changes occuring during editing can be easily compensated for. Typical examples of M/S processing are the delicate attenuation of the mid signal’s high frequencies via an equalizer or filtering low frequencies out of the sideband. - Maybe plus addition of gentle modulation effects. In combination, these techniques lead to a very wide, atmospheric stereo image. Of course, the M/S Matrix can be used for tons of other applications as well. How about a bitcrusher plus a delay only on the sideband, for example? – Just let your imagination run wild!

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Spring reverb module with three springs that produce a short, dense reverb. The feedback loop can be interrupted to modify the feedback signal with other audio processors. Wet/dry control. Emphasis control for boosting the mid frequencies.

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The concept of a multimode filter with individual outputs, voltage controllable resonance and a similar name is what this module has in common with the old A-121. But the core is an different one, though, as instead the old CEM3320 circuit the filter known from the desktop synthesizer Dark Energy 2 is used.

Details

Vintage Edition with a black faceplate and custom knobs.

Logarithmic mixer for mixing up to four signals to one output. Works best with audio signals, but mixing CVs is possible, too. If there´s no jack in input 1, you can use the uppermost potentiometer as an offset control.

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This one is a function generator of a different kind, or in better words on a different stage of evolution. Basically it contains six function generators which can be tirggered individuaklly and feature individual outputs, yet are controlled together. It generates more than sawtooths and triangles, but also pulses and even sine waves thanks to waveshaping.
Once the module oscillates the function generators can produce six divided or multiplicators of the frequency which is especially interesting in audio mode, even more if the mix output is used!

What else: VCO waveshaping like on the Mangrove, VC of all parameters, 1V/oct tracking and Thru-Zero FM. Great as a modulator, awesome as an oscillator!

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Sonveskan is a three-channel mixer, which was built using discrete components like germanium transistors. Each audio path comes equipped with a dual gain stage, voltage controlled feedback, a mute switch and a direct output. By combining several channel strips, it is possible to create very wild effects. The mixer’s main channel features an equalizer with two bands and another gain stage delivering more distortion. – A great module for people who like it rough!

The model of 2017 is equipped with bigger coupling capacitors than the predecessor. – The result: More bass!

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Conduit is a delay, a filter, a 9 point harmonic oscillation module at the sime time and it contains two Vactrol-based VCAs as well. It creates three independent signal paths that can be inter-mixed how you like. Using jumper cables it is also capable of patching directly into the circuitry of Folktek's Matter module for further processing.
An interesting, multi-functional and due to the "jumpability" a highly experimental module.

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Resist is a simple 3HP expander module which can be used together with the Matter and the Conduit, even simultaneously. Unlike other expanders it's not hardwired to the modules but cqan be freely patched with the miniature jumper wires.
Resist consists of 4 buffered potentiometers which are routed to four different corresponding 3-point headers. Added control for any current or future Folktek module utilizing the header patchbay.

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An expert for creating drones – Skorn da Bask is composed of three analog saw tooth oscillators and a low pass filter. Thanks to their routing options, the VCOs can not only be used to generate audio signals, but for modulating the VCF’s cutoff frequency as well. Besides processing internally produced saw tooth waves, the filter is also usable for editing sound coming from other modules. Typical Touell Skouarn, the Skorn da Bask distorts like hell. Primary application: The creation of dirty, experimental sound structures and abstract rhythms.

The model of 2017 comes equipped with overhauled frequency potentiometers, which feature an improved adjustment range.

Details

Vintage Edition with a black faceplate and custom knobs.

Two identical VCAs whose characteristic can be selected between linear or exponential each, ie. they can process as well audio as CV signals. The VCAs don't have attenuators at the signal inputs but they can handle also very loud signals of 16Vpp amplitude (-8V to +8V) without distorting.

Details

Vintage edition with black faceplate and custom knobs.

This A-188-1 module does not contain a integrated BBD circuit i.e. you can insert your own desired type of BBD with desired specifications if you have one spare.

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