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3350 VCF uses the AS3350/CEM3350 architecture to provide two two-pole state-variable filters. Each filter offers low-pass or high-pass operation. The filters can run independently, in parallel or stereo, or in series for four-pole filtering. A shared Frequency control and a Separation control move the two cutoff frequencies together or apart.Features:• Two two-pole AS3350/CEM3350 state-variable filters• Low-pass/high-pass selection per filter• Independent, parallel/stereo or serial four-pole operation• Shared Frequency and opposing Separation controls• Resonance up to self-oscillation• A output from filter A; AB output from filter B/final stageDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The 3394 Voice is a compact and flexible analog synth voice that packs a full signal chain into one module.VCO, VCF, VCA, envelopes, and noise. Based on the classic 3394 chip, it delivers rich analog tone with selectable square, saw, and triangle waveforms, routed through a juicy 24dB low-pass filter capable of self-resonance and pitch tracking. Two built-in envelopes shape both filter and amplitude, with switchable AD/AR modes for dynamic control. When unpatched, it acts as a constant VCO output, and the mix trimmer allows tonal variation by blending in a square sub, noise, or external signal. Ideal for melodic lines or snappy percussive sounds like kicks, snares, and zaps, the 3394 Voice is both a complete voice and a set of standalone building blocks for your Eurorack system.Features:• VCO with Triangle/Square/Saw waves• Lowpass resonant 24db filter• Square sub oscillator• Analog noise source• Built in VCA and 2 envelopes• Can also be used as separate Filter/VCO/VCA/Noise sourceDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The Automator is a hands-on, 2-channel tempo-synced CV and gate recorder for Eurorack, built around a large, expressive slider and intuitive controls. It captures your movements in real time, turning gestures into looping modulation patterns with precise timing. Requiring an external clock (4ppqn), Automator continuously records while idle and begins playback the moment you hit record, looping up to 4 bars. You can change loop length and tempo post-recording, and each channel—selectable via a button—is color-coded (red for channel 1, green for channel 2). CV is recorded via the slider, while gates are captured using a dedicated button, with high resolution and flexible timing. Whether you're drawing dynamic modulations or tight rhythmic triggers, Automator gives you a powerful and performative way to animate your patches.Features:• Dual-channel CV and Gate recorder with tempo sync• Dedicated Gate button for rhythmic trigger input• Supports loop lengths from ¼ bar to 4 bars• Channel selection button with color indication (Red = Ch1, Green = Ch2)• Real-time recording resolution (CV every 2ms, gates down to 50ms)• High gate density (up to 125 triggers per bar)• Recordings timestamped for accurate playback timing• Decoupled gate and CV recording for flexible pattern creation• Clock input (4 ppqn) with tempo scaling from 30 BPM upwards• Playback length can be changed after recording without losing dataDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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DYN is a stereo transient and dynamics processor based on the DSP algorithms of Surreal Machines Crack. Attack and Sustain shape transients, with Gate, Maximizer, Limiter and output Clipper stages for further control. An assignable CV input can modulate one of seven parameters.Features• Stereo transient and dynamics processing• Attack and Sustain controls plus five faders• Gate, Maximizer, Limiter and output Clipper• Assignable 0-5 V CV control of seven parameters• 24-bit converters; 48 kHz DSP processing; approximately 1 ms latencyDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Filler adds drum fills and variations to an existing trigger pattern. Six trigger inputs and seven trigger outputs, including an additional cymbal output, combine with 333 fills across 41 banks. Six fill modes and eight drummer modes provide different ways to introduce variation.Features:• Six trigger inputs and seven trigger outputs, including cymbal• 333 fills arranged in 41 banks• Six fill modes and eight drummer modes• Clock input: one pulse per sixteenth note• 0-5 V CV input and 0-6.5 V fill-envelope output• OLED display, encoder, four buttons and two knobsDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The FMP is an 8 HP Eurorack FM synthesizer module built around the classic Yamaha YM2413 chip, known for its distinctive sound in vintage game consoles like the MSX, Atari, and Sega systems. Capable of producing everything from clean tones, deep kicks, and noisy snares to bell-like textures and even polyphonic chords, the FMP offers two modes: Tone mode provides a 2-operator FM voice with self-modulating feedback, while Drum mode exposes the chip’s built-in percussion sounds with adjustable levels and pitch. Seven parameters shape the sound and CV interpolation between two parameter sets enables evolving, expressive patterns. While inherently lo-fi, the FMP embraces this character to deliver dynamic, gritty textures, with settings that can be saved for consistent recall. Its charm lies in the unpredictability, offering a rich playground.Features:• 8 HP FM synth voice based on Yamaha YM2413 chip• Two modes: Tone (2-operator FM synth) & Drum (built-in percussion sounds)• Wide sonic range: kicks, snares, hats, bells, chords, and more• Seven tweakable FM parameters• Save and recall settings on power-up• Characterful lo-fi sound with modulator feedback• Adjustable pitch and mix levels in Drum mode• Inspired by classic game console sound chips (MSX, Sega, Atari)DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The SDSV+ is a Eurorack drum voice inspired by SyntherJack’s SDSV project and the iconic Simmons SDS5/SDSV drum machine. This enhanced version goes beyond the original by offering expanded sound-shaping capabilities and increased CV control, making it ideal for crafting everything from classic toms, snares, and kicks to hi-hat, crash, and FM-style metallic sounds. If you want to create vintage punch or experimental textures, the SDSV+ delivers dynamic percussion with modular flexibility.Features:• Envelope selection for the VCO and separate Decay pots• Option to use unfiltered noise for click (and the option to turn click off altogether)• Redesigned one of the envelopes to make it independent of input trigger length.• More CV inputs• Noise level controlDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Verb is a compact stereo reverb with eight distinct reverb topologies. Send, feedback and tone controls shape the space, while a CV input adds modulation to the Send setting. The left input is normalled to the right input for mono sources.Features:• Eight selectable reverb topologies• Stereo input and output; left input normalled to right• CV control of Send, with +/-5 V input added to the knob setting• 24-bit DSP processing at 48 kHz• Five controls, two buttons and eight indication LEDsDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.