ADDAC System

Explore 133 ADDAC System vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.

Other Models

• ADDAC System — Explore 133 ADDAC System vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.
• 101 — The ADDAC System 101 .WAV Player brings lo-fi, hands-on sample playback to Eurorack with gritty character and tactile control.
• 102 — The ADDAC System 102 VC FM Radio brings live radio and electromagnetic noise into Eurorack — fully voltage-controlled, skiff-friendly, and sonically unpredictable.
• 103 — The ADDAC System 103 T-Networks packs four analog twin-T drum voices into 8HP, delivering raw, vintage-style percussion with zero digital processing.
• 103 T-Networks — The ADDAC 103 T-Networks brings vintage twin-T drum circuits into Eurorack with four raw, tunable analog voices and destructive audio filtering.
• 104 — The ADDAC System 104 VC T-Networks brings vintage analog drum machine resonance to Eurorack with four CV-controllable T-network voices in just 8HP.
• 104 VC T-Networks — The ADDAC 104 VC T-Networks packs four analog drum voices into 8 HP, reviving vintage T-circuit percussion with voltage control and fearless patchability.
• 106 — The ADDAC System 106 is a 4-voice analog noise percussion module with T-network filtering and a gritty summed output—raw, hands-on, and full of character.
• 107 — The ADDAC 107 is a 9 HP Eurorack acid voice that turned a percussion concept into a squelchy, self-contained analog monster with built-in distortion and a smiley face.
• 111 — The ADDAC System 111 is a no-frills Eurorack .WAV player that delivers reliable, CV-controllable sample playback with zero latency.
• 111B — The ADDAC System 111B is a trigger-based expansion for the 111 sampler, enabling instant recall of 8 samples with priority-based switching.
• 112 — The ADDAC System 112 is a dual-module Eurorack granular looper with 5-minute buffer, visual feedback, and split control/I-O design.
• 112S — The ADDAC System 112S is a standalone granular looper with a 5-minute buffer, real-time visual feedback, and deep CV control—all in a portable desktop unit.
• 200B — The ADDAC System 200B is a compact, reliable buffered multiple for Eurorack—no frills, no failures, just clean signal splitting in 4HP.
• 200PI — The ADDAC200PI Pedal Integrator bridges Eurorack and pedalboard worlds with clean level matching and dual jack support.
• 203 — The ADDAC System 203 is a dual-channel CV offset and attenuverter module that brings precise voltage control to Eurorack systems with minimalist, reliable design.
• 204 — The ADDAC System 204 is a compact Eurorack module that scales, offsets, and morphs CV signals with real-time voltage control—ideal for dynamic, expressive patching.
• 206 — The ADDAC System 206 is a Eurorack switching sequencer that routes audio and CV with precision, turning static patches into evolving performances.
• 207 — The ADDAC System 207 Intuitive Quantizer brings four-channel pitch correction and real-time chord generation to Eurorack, turning chaos into harmony with surgical precision.
• 208 — The ADDAC System 208 packs a comparator and quad rectifiers into 4 HP of no-nonsense Eurorack utility — essential for signal shaping and frequency doubling.
• 215 — The ADDAC System 215 packs dual sample & hold, slew, noise, and analog math into 6HP—making randomness musical without wasting space.
• 402 — The ADDAC System 402 is a 20HP Eurorack rhythm generator using Euclidean math, Game of Life, and voltage-controlled Pong to create intelligent, evolving beats.
• 501 — The ADDAC System 501 is a compact 8HP Eurorack module offering four channels of analog random CV with voltage range, timing, and quantization control.
• 501B — The ADDAC 501B is a 4 HP Eurorack expansion that adds gate outputs to the 501 random generator—compact chaos with zero learning curve.
• 503 — The ADDAC System 503 simulates a rolling marble's physics to generate organic CV and gates—making it one of Eurorack's most unique generative modules.
• 504 — The ADDAC System 504 is a probabilistic Eurorack module that turns chance into composition, blending gated randomness with tunable CV for generative mayhem.
• 506 — The ADDAC System 506 is a 20HP Eurorack stochastic envelope generator with four channels of randomizable rise/fall timing, self-patching capability, and integrated attenuverters.
• 506B — The ADDAC 506B is a 2HP Eurorack expander that adds trigger inputs and CV outputs to the 506, unlocking real-time stochastic control and generative patching.
• 507 — The ADDAC507 uses Bézier curves to generate smooth, evolving random CV—chaos with shape, randomness you can actually control.
• 511 — The ADDAC System 511 is a 20HP Eurorack module that turns stochastic voltage into a compositional tool with 4 channels, sequencing, and deep CV control.
• 601 — The ADDAC601 VC Fixed Filterbank is an 8-band analog Eurorack module that splits audio into spectral slices, with per-band VCA control and envelope follower CV outputs.
• 701 — The ADDAC System 701 is a stable, no-frills analog VCO with CEM3340 character, octave switching, and onboard mixing—praised for its vintage warmth and tuning reliability.
• 703 — The ADDAC 703 Discrete Mixer brings Moog CP-3-style analog coloration to Eurorack, with soft clipping, an inverted output, and a cult following.
• 703 Dual VCA — The ADDAC 703 Discrete Mixer is a 4-channel Eurorack module with discrete transistor circuitry, feedback loop, and front-panel trimmers for custom saturation.
• 705 Dual Noise — The ADDAC 705 Dual Noise offers true analog white and pink noise in a compact 6HP Eurorack module—essential for percussion, modulation, and organic texture.
• 705 Stinggy Filter — The ADDAC 705 Stinggy Filter is a raw, character-driven Eurorack multimode filter inspired by the EMS Wasp, with distortion, self-oscillation, and four independent outputs.
• 710 — The ADDAC System 710 is a dual-channel isolated DI box that eliminates ground loops and noise in modular setups with transformer isolation and a 3-way ground switch.
• 711 — The ADDAC System 711 is a passive Eurorack module that converts unbalanced signals to balanced via transformers, adding weight and studio-grade clarity.
• 711 Balanced Inputs — ADDAC System 711 Balanced Inputs (2022–) uses transformer coupling to eliminate noise when integrating external audio into modular systems.
• 712 — The ADDAC 712 Vintage Pre is a dual-channel discrete Eurorack preamp that emulates 1970s console circuitry, delivering warm saturation and unique DC-shift distortion.
• 712 Vintage Pre — The ADDAC 712 Vintage Pre is a dual-channel Eurorack preamp that emulates a 1970s discrete circuit, known for its musical saturation and unique bias-shift clipping.
• 713 — The ADDAC 713 is a discrete stereo mixer with feedback, clipping, and gate generation—rarely clean, never boring.
• 714 — The ADDAC 714 Vintage Clip is a dual-channel soft clipping module with diode-based distortion and a fixed 3.3kHz low-pass filter for vintage-style warmth.
• 714 Vintage Clip — The ADDAC 714 Vintage Clip is a dual-channel soft clipping module with diode-based distortion and a fixed 3.3kHz low-pass filter for warm, vintage-style saturation.
• 800X — The ADDAC 800X is a transformer-isolated Eurorack output module that eliminates noise and ground loops with vintage-grade Hammond transformers and studio-level clarity.
• 801 — The ADDAC System 801 is a compact 4HP dual-channel mixer that values function over flair—ideal for skiff builders who need clean summing without wasted space.
• 802 — The ADDAC System 802 packs five VCAs, dual mix buses, and bifunctional knobs into 14 HP of intelligent, tactile mixing for Eurorack.
• 803 — The ADDAC 803 Quadraphonic Spatializer brings true 3D sound placement to Eurorack with analog outputs and digital precision — a rare hybrid for immersive audio.
• 804 — The ADDAC 804 Audio Integrator bridges iOS devices and Eurorack, turning app audio into modular signals with built-in envelope followers.
• 805 — The ADDAC 805.VS2 is a versatile 8HP Eurorack VC signal router enabling 4-quadrant mixing, stereo panning, and dynamic CV/audio morphing.
• 805.VS2 — The ADDAC System 805.VS2 is a Eurorack VC signal router with 24 inputs, 12 outputs, and 4-quadrant mixing — a modular utility for dynamic audio and CV routing.
• 806 — The ADDAC System 806 brings Bluetooth audio straight into Eurorack, with stereo VCAs for CV-controlled manipulation of wireless streams.
• 814 — The ADDAC System 814 is a 33HP Eurorack matrix mixer with DC coupling, scribble strips, and expandable design — powerful, flexible, and built for complex patches.
• ADDAC101 — The ADDAC101 brought accessible digital sampling to Eurorack with hands-on control, file quirks, and a cult following.
• ADDAC102 — The ADDAC102 VC FM Radio brings live broadcasts and electromagnetic noise into Eurorack, with voltage-controlled tuning and skiff-friendly design.
• ADDAC103 — ADDAC103 T-Networks: 6HP Eurorack module with 4 analog voices inspired by vintage drum machine circuits. Simple, destructive, and oddly musical.
• ADDAC103 T-Networks — Four-voice Eurorack percussion module using Twin T-Network circuits for classic analog drum tones and weird filtering.
• ADDAC104 VC T-Networks — The ADDAC104 VC T-Networks is a 4-voice Eurorack module inspired by vintage drum machine circuits, offering raw, uncalibrated analog percussion with voltage control and a summed mix output.
• ADDAC105 4 Voice Cluster — ADDAC105 4 Voice Cluster packs 4 square oscillators, FM routing, and a multimode filter into 8 HP—compact, chaotic, and full of character.
• ADDAC111 — The ADDAC111 brings precise, voltage-controlled .WAV playback to Eurorack with tactile loop controls, 1v/oct sample rate, and micro SD convenience—ideal for live sampling and modular performance.
• ADDAC111B — The ADDAC111B is a trigger-based expansion for the ADDAC111, enabling instant recall of the first 8 samples—essential for live performance.
• ADDAC112 — The ADDAC112 is a 45HP Eurorack looper and granular processor with real-time OLED visualization, CV-rich control, and a split-panel design for performance clarity.
• ADDAC112SF — The ADDAC112SF is a powered desktop frame that turns the ADDAC112 granular looper into a standalone instrument—no case required.
• ADDAC200 — The ADDAC200 is a 2HP passive multiple for Eurorack, offering two 4-fold signal splits in a compact, no-power-draw design.
• ADDAC200A — The ADDAC200A is a no-nonsense Eurorack current meter that prevents overloads with a real-time LED readout—essential infrastructure, not a sound module.
• ADDAC200B — The ADDAC200B is a 2HP Eurorack buffered multiple that solves signal distribution issues in tight modular setups without sacrificing space or reliability.
• ADDAC200BNC — The ADDAC200BNC is a passive 2HP Eurorack module that provides two locking BNC outputs for reliable signal probing and external routing.
• ADDAC200CT — The ADDAC200CT is a Eurorack cable tester that checks 3.5mm and ribbon cables for continuity and shorts—essential for system reliability.
• ADDAC200P — The ADDAC200P is a compact Eurorack power monitor with ±12V LED indicators—simple, reliable, and essential for any modular setup.
• ADDAC200PI — The ADDAC200PI bridges modular synths and guitar pedals with clean, compact signal conversion—no noise, no fuss, just function.
• ADDAC200RM — The ADDAC200RM is a precision analog power rail monitor for Eurorack, offering real-time ±12V voltage feedback in a compact 4HP module.
• ADDAC200S — The ADDAC200S solves Eurorack's 1/4-inch to 3.5mm cable chaos with a passive, 4 HP rackmount adapter—simple, reliable, and power-free.
• ADDAC201 — The ADDAC201 is a compact Eurorack CV inverter with offset and polarity indicators—essential utility for modular synthesis.
• ADDAC202 — A compact, dual-channel Eurorack amplifier with polarity monitoring—essential for precise CV and audio gain control in modular synthesis.
• ADDAC203 — The ADDAC203 is a dual-channel CV mapper for Eurorack, prized for precise voltage scaling, offset, and attenuversion in modular synthesis.
• ADDAC203 REV.02 — The ADDAC203 REV.02 is a dual-channel CV processor with gain, offset, and CV-controllable offset—compact, essential, and DIY-friendly.
• ADDAC204 — The ADDAC204 is a voltage-controlled CV mapper that transforms control voltages with precision, offering normal, inverted, and morphed outputs in a compact 6HP Eurorack module.
• ADDAC205 — The ADDAC205 packs dual oscilloscopes and arbitrary waveform generation into 10 HP—essential for debugging and control in modular synthesis.
• ADDAC206 — The ADDAC206 is a compact Eurorack switching sequencer that turns simple sequences into evolving, performable patterns with clock division, direction control, and step-skipping.
• ADDAC207 — The ADDAC207 Intuitive Quantizer brings melodic order to modular chaos with a tactile piano-grid interface and four-channel voltage-controlled quantization.
• ADDAC212 — The ADDAC212 is a 4-channel VC attenuator and offsetter designed to unify and shape multiple CV signals—ideal for syncing envelopes or modulations in complex Eurorack patches.
• ADDAC213A — The ADDAC213A solves Eurorack's cable chaos with a passive 8-channel bridge—expandable to 24 signals—so you can link cases cleanly without power or patch cables.
• ADDAC213B — The ADDAC213B is a passive Eurorack bridge module that routes 8 CV/audio signals silently and reliably—no power, no fuss, just clean signal routing.
• ADDAC213C — The ADDAC213C is a passive 1U Eurorack bridge module that routes 8 CV/audio signals via ribbon cable—ideal for untangling modular setups.
• ADDAC214 — The ADDAC214 VC Rotator is a 6HP Eurorack module that rotates 4 inputs across 4 outputs in 4 steps, with voltage control, anti-pop switching, and bidirectional clocking.
• ADDAC216 — The ADDAC216 is a dual-channel analog utility that sums, subtracts, rectifies, and offsets signals—making it a modular mathematician for audio and CV.
• ADDAC218 — The ADDAC218 is a compact 4HP Eurorack attenuverter module with normalized channels and user-labeling zones—simple, essential, and brilliantly functional.
• ADDAC220 — The ADDAC220 Dual Envelope Follower+ converts audio dynamics into smooth, filtered control voltage with stereo tracking and digital precision.
• ADDAC320 — The ADDAC320 Servo Control automates knob turning via CV, inspired by Neil Young’s Whizzer—mechanical modulation for non-CV gear.
• ADDAC403 — The ADDAC403 redefines Eurorack timing with musical time signatures, phasing engines, and deep CV control in 16HP.
• ADDAC501 — The ADDAC501 brings analog randomness with voltage, timing, and Brownian motion controls in a compact 8 HP Eurorack module.
• ADDAC501B — The ADDAC501B adds gate outputs and glide effects to the ADDAC501, turning random voltages into rhythmic, textured triggers with a twist.
• ADDAC506 — ADDAC506 is a 4-channel stochastic envelope generator with random slew, sum/average CV, and expansion support.
• ADDAC506B — The ADDAC506B is a 2HP Eurorack expander that adds trigger inputs and CV random outputs to the ADDAC506, enabling deep stochastic control.
• ADDAC511 — The ADDAC511 is a 20HP Eurorack module with 4-channel stochastic voltage generation, OLED interface, and deep probability control.
• ADDAC601 — The ADDAC601 VC Fixed Filterbank is an 8-band Eurorack module with voltage-controlled VCAs and envelope followers per band — spectral control redefined.
• ADDAC602 — The ADDAC602 is a passive Eurorack ring modulator using transformers and germanium diodes—no power, no knobs, just raw inharmonic magic in 4 HP.
• ADDAC603 — The ADDAC603 is a 22HP Eurorack triple bandpass filter with distortion, feedback, and summing—built for sonic mayhem.
• ADDAC604 — ADDAC604 Dual Filter: a compact 6 HP Eurorack module with stereo/dual mono multimode filtering, independent resonance, and normalled inputs.
• ADDAC611 — The ADDAC611 packs a 1970s vacuum tube into a Eurorack module, delivering raw, unpredictable filtering and brutal analog distortion.
• ADDAC701 — The ADDAC701.REV2 is a compact, stable analog VCO with onboard waveform mixing, ideal for Eurorack users who want rich analog tone in 8 HP.
• ADDAC702 — ADDAC702 Dual Voltage Controlled Filter: Eurorack module with MS-20-inspired dual filters, vactrol-style smoothing, and built-in distortion.
• ADDAC703 — The ADDAC703 is a discrete analog Eurorack mixer inspired by the Moog CP-3, known for its warm saturation, feedback loops, and front-panel trimmers for deep tone shaping.
• ADDAC705 — The ADDAC705 brings the raw, chaotic filter of the EDP Wasp into Eurorack, packing four filter types and built-in fuzz into just 8HP.
• ADDAC709C — The ADDAC709C brings the analog organ magic of the EHX C9 pedal into Eurorack with full CV control—imperfect, expressive, and utterly alive.
• ADDAC709M — The ADDAC709M brings the haunted tape sound of the Mellotron to Eurorack with full CV control—imperfect, emotional, and utterly unique.
• ADDAC710 — ADDAC710 Balanced Outputs – 6 HP Eurorack module with transformer-isolated XLR outputs, 40 mm depth, and ground loop protection.
• ADDAC711 — ADDAC711 is a dual-channel Eurorack DI box with transformer isolation, XLR/TRS inputs, and LIFT/FLOAT/GND switching for noise-free signal routing.
• ADDAC712 — The ADDAC712 is a dual-channel Eurorack preamp that emulates 1970s discrete circuitry, delivering warm saturation, hard clipping, and a unique bias-shift effect when pushed.
• ADDAC712 Vintage Pre — ADDAC712 Vintage Pre brings 1970s discrete preamp warmth to Eurorack, with dual channels of saturation, soft-to-hard clipping, and LED monitoring.
• ADDAC713 — The ADDAC713 is a discrete analog stereo mixer with feedback-driven clipping and fixed low-pass filtering—simple in layout, wild in character.
• ADDAC714 — The ADDAC714 is a dual-channel analog soft clipper with passive diode clipping and a fixed 3.3kHz low-pass filter for vintage-style warmth in 6HP.
• ADDAC714 Vintage Clip — The ADDAC714 Vintage Clip is a dual-channel analog soft clipper with fixed 3.3kHz filtering, delivering warm, vintage-inspired saturation in 6HP.
• ADDAC800X — The ADDAC800X is a transformer-isolated Eurorack output module with balanced XLRs, headphone amp, and ground loop protection.
• ADDAC801 — The ADDAC801 is a compact 4HP Eurorack mixer with three channels and an inverted output—simple, utilitarian, and space-efficient.
• ADDAC802 — The ADDAC802 VCA Quintet Mixing Console is a 12 HP Eurorack module with 5 independent VCAs, dual mixing paths, and smart routing—now out of production.
• ADDAC802R — ADDAC802R VCA Quintet Reversed Panel – 12 HP Eurorack module with 5 VCAs, dual mix paths, and master VCA with Pre/Post outputs.
• ADDAC803 — The ADDAC803 brings professional quadraphonic spatialization to Eurorack with VBAP precision and analog warmth—rare, focused, and deeply expressive.
• ADDAC804 — The ADDAC804 Audio Integrator bridges iOS apps and Eurorack modular systems with bidirectional audio and envelope following.
• ADDAC805 — The ADDAC805 is a compact 4HP Eurorack panner and crossfader with CV control, prized for its simplicity and analog transparency.
• ADDAC805.VS2 — The ADDAC805.VS2 is a flexible Eurorack VC signal router with three X-faders, enabling 4-quadrant mixing and stereo morphing—deeply useful, but check for response matching.
• ADDAC807 — The ADDAC807 is a dual-module Eurorack stereo mixer with 5+4 expandable channels, full CV control, sends, returns, and matrix routing—studio-grade mixing in modular format.
• ADDAC807A — The ADDAC807A brings full analog console control to Eurorack, with 5 stereo channels, CV automation, and expandable routing—rare depth in a modular mixer.
• ADDAC807B — The ADDAC807B Inputs Console is a passive Eurorack expander that houses all jacks for the ADDAC807A, enabling clean cable management and modular scalability.
• ADDAC807C — The ADDAC807C expands the ADDAC807 mixer with 4 full-featured stereo channels, completing one of Eurorack's most powerful analog console systems.
• ADDAC809 — The ADDAC809 Chain Router (2022) is a 6 HP Eurorack utility that redefines signal routing with CV-controlled chains. Specs, pricing, and why it might change how you patch.
• ADDAC810 — The ADDAC810 Phono Pre-Amp (????) brings vinyl into Eurorack with RIAA equalization, 4 HP size, and hum-canceling grounding. Specs, pricing, and use.
• ADDAC813 — The ADDAC813 Stereo Mixer+ (8 HP) offers five stereo channels, a mono send/return, and unity-gain cascade input. Specs, pricing, and user insights.
• ADDAC814 — The ADDAC814 (2025) is a 6x6 stereo matrix mixer with 36 color-coded knobs, DC coupling, and expandable design. Specs, pricing, and context for this Eurorack utility.
• ADDAC815 — The ADDAC815 Mixology (—) is a 10HP Eurorack FX router that transforms signal flow into performance. Original price: €160.
• ADDAC816 — The ADDAC816 Percussion VCA packs an AD envelope and exponential VCA into 5HP, turning any signal into a punchy, saturated drum with minimal patching.