ADDAC
Explore 155 ADDAC vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.
Models
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- ADDAC — Vintage Synthesizer — Explore 155 ADDAC vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.
- 100 Series — The ADDAC100 Series is a family of Eurorack modules from Lisbon, blending noise, radio, and digital playback into unpredictable, hands-on sound design tools.
- 101 — The ADDAC 101 .WAV Player brings lo-fi digital sampling to Eurorack with gritty charm, SD card chaos, and glitch-as-a-feature design.
- 101 .WAV Player — The ADDAC101 .WAV Player brings 22kHz sampling to Eurorack, with CV control, envelope following, and live SD swapping — a cult favorite despite strict file rules.
- 102 — The ADDAC 102 VC FM Radio brings live FM broadcasts and electromagnetic noise into Eurorack, voltage-controllable and full of unpredictable texture.
- 102 VC FM Radio — The ADDAC 102 VC FM Radio is a voltage-controlled Eurorack module that turns live FM broadcasts and static into modular sound sources.
- 103 — The ADDAC103 T-Networks is a 6HP Eurorack module using four analog Twin-T circuits for organic percussion and filtering, released in 2020.
- 104 — The ADDAC 104 VC T-Networks is a 4-voice analog percussion module using vintage T-network circuits for warm, organic drum tones and experimental filtering.
- 104 T-Networks — The ADDAC104 VC T-Networks is a 4-voice Eurorack module inspired by vintage drum machine circuits. Raw, punchy, and voltage-controlled—perfect for kicks, toms, and analog grit.
- 105 — The ADDAC 105 is a chaotic 4-voice square wave cluster module with FM, slew, and a gritty multimode filter—perfect for atonal textures and generative noise.
- 105 4 Voice Cluster — The ADDAC 105 4 Voice Cluster (2020) packs four chaotic square oscillators and a multimode filter into 8 HP. Specs, sound, and custom panel options.
- 106 — The ADDAC 106 T-Noiseworks packs four analog noise voices into 4HP, using vintage T-network filtering to create snares, hi-hats, and percussive textures with surgical precision.
- 106 T-Noiseworks — ADDAC106 T-Noiseworks (2020) – 4-voice Eurorack percussion module with t-network filters, 8 HP, noise-based drums, manual control only
- 107 — The ADDAC 107 is a 9 HP Eurorack module that delivers raw, squelchy acid tones with a DIY ethos and a filter that thrives on chaos.
- 107 ACID Source — The ADDAC107 ACID Source packs a full analog synth voice into 9 HP—fat bass, screaming filter, and raw distortion. Specs, quirks, and DIY details.
- 111 — The ADDAC 111 is a no-frills Eurorack sample player with hands-on control, SD card playback, and a reputation for reliability—if you format the card right.
- 111 Ultra .WAV Player — The ADDAC 111 Ultra .WAV Player is a Eurorack module upgrade over the 101, with better loop control, Micro SD storage, and expansion options.
- 111B — The ADDAC 111B is a triggerable file expander for the 111 .WAV Player, letting you play samples A–H via gate—simple, reliable, and essential for live performance.
- 112 — The ADDAC 112 is a 45 HP Eurorack granular looper with 5-minute buffer, OLED feedback, and deep CV control—powerful but firmware-prone.
- 112 Looper Granulator — The ADDAC 112 Looper Granulator is a 45HP Eurorack module combining a 5-minute looper with a 32-grain granular processor, featuring full CV control and an OLED display for real-time audio visualizatio…
- 200B — The ADDAC 200B is a compact, reliable buffered multiple for Eurorack, ideal for clean CV and audio distribution in complex patches.
- 200B Buffered Multiples — The ADDAC 200B Buffered Multiples is a compact 2HP Eurorack module that cleanly splits audio and CV signals across two independent buffered channels.
- 200CT — The ADDAC 200CT is a dedicated Eurorack cable tester that verifies continuity and prevents costly wiring mistakes.
- 200PI — The ADDAC 200PI is a compact 4 HP Eurorack module that seamlessly integrates two guitar pedal chains into a modular synth system with proper level matching.
- 200PI Pedal Integrator — The ADDAC 200PI Pedal Integrator — vintage synth equipment. Specifications, history, and review.
- 200RM — The ADDAC 200RM is a 2HP Eurorack voltage monitor that gives real-time analog readouts of ±12V rails—quiet, essential, and built to prevent disasters.
- 200RM Rails Monitor — The ADDAC 200RM is a precision analog voltage meter for Eurorack systems, monitoring +12V and -12V rails with 0.1% accuracy to prevent power-related failures.
- 200S — The ADDAC 200S is a passive 4HP Eurorack module that converts three 1/4-inch jacks to 1/8-inch, solving a common patching headache with zero power draw.
- 201 — The ADDAC 201 is a compact Eurorack module that inverts CV signals with precision, featuring offset controls and polarity LEDs for reliable voltage manipulation.
- 203 — The ADDAC 203 CV Mapper is a dual-channel Eurorack utility for precise voltage scaling and offset, prized for its reliability and hands-on DIY design.
- 204 — The ADDAC 204 VC CV Mapping is a compact Eurorack module that scales, offsets, and morphs control voltages with CV control—essential for complex modular patches.
- 205 — The ADDAC 205 blends dual OLED oscilloscopes with 8-bit waveform generation, turning voltage into vision and data into sound.
- 205B — A mysterious, undocumented Eurorack expansion module with a tiny OLED screen, made by ADDAC System as a digital add-on to the 205 Dual Oscilloscope.
- 206 — The ADDAC 206 is a compact Eurorack sequencer switcher that turns rigid patterns into evolving performances with clock division and per-step controls.
- 207 — The ADDAC 207 Intuitive Quantizer is a powerful but temperamental Eurorack module with four-voice microtonal quantization and deep CV control—ideal for experimental composers who don't mind debugging.
- 207 Intuitive Quantizer — The ADDAC 207 Intuitive Quantizer is a 4-voice Eurorack module that generates chords, supports microtonal scales, and doubles as a playable keyboard—but demands firmware-savvy ownership.
- 208 — The ADDAC 208 is a compact Eurorack utility module combining a voltage comparator and bipolar rectifiers for precise signal control and waveform manipulation.
- 213A — The ADDAC 213A is a passive Eurorack bridge module that sends 8 CV/audio signals between cases via ribbon cable—simple, reliable, and essential for multi-rack systems.
- 213A Eurorack Bridge — The ADDAC 213A Eurorack Bridge — vintage synth equipment. Specifications, history, and review.
- 213B — The ADDAC 213B is a passive Eurorack utility that routes 8 CV/audio signals between modules or cases—no power, no noise, just clean, silent connectivity.
- 215 — The ADDAC 215 packs dual precision S&H, noise, slew, and math outputs into 6HP—making randomness reliable in Eurorack.
- 215 Dual S&H+ — The ADDAC 215 Dual S&H+ packs dual precision sample & hold, noise, slew, and math outputs into 6HP—making it a modular powerhouse for generative patches.
- 216 — The ADDAC 216 is a dual-channel Eurorack utility that performs sum/difference math, rectification, and offset—turning signal manipulation into an expressive tool.
- 216 Dual Attenuverter and CV Processor — The ADDAC 216 Dual Attenuverter and CV Processor is a dual-channel Eurorack module for summing, subtracting, rectifying, and offsetting CV and audio signals.
- 216 Sum & Difference — The ADDAC 216 Sum & Difference is a dual-channel Eurorack logic module that mixes, subtracts, rectifies, and offsets audio and CV signals with surgical precision.
- 218 — The ADDAC 218 is a compact 4 HP Eurorack utility module with three bipolar attenuverters and smart normalization—essential for clean, flexible CV control.
- 221 — The ADDAC 221 converts 10 CV inputs to MIDI CC messages with preset storage, making it a vital bridge between modular and digital gear.
- 222 — The ADDAC 222 converts 4 CV inputs into polyphonic MIDI streams, making it a powerful, firmware-upgradable bridge between modular and digital synths.
- 300 — The ADDAC 300 is a dual power starvation module that degrades other Eurorack modules' sound by reducing their voltage—creating lo-fi, glitchy, or unstable textures on demand.
- 300 Series — The ADDAC 300 Series brings muscle tension, foot pedals, and power starvation into Eurorack—unconventional control for experimental modular synthesis.
- 300 V2 — The ADDAC 300 V2 lets you starve Eurorack modules of power for gritty, unstable, and deeply organic sonic degradation—real circuit chaos, not simulation.
- 300A — The ADDAC 300A is a dual-channel Eurorack power starvation module that lets you creatively underpower analog modules for glitchy, unstable, and musically rich artifacts.
- 301 — The ADDAC 301 Floor Control brings expression and sustain pedals into Eurorack with precision CV scaling, offset control, and real-time LED feedback in 4 HP.
- 301 Floor Control — The ADDAC 301 Floor Control brings pedal expression to Eurorack with precise CV mapping and a hidden +5V power feature—quietly essential.
- 301B — The ADDAC 301B is a passive dual expression attenuator for Eurorack, letting you control CV or audio with foot pedals—simple, reliable, and always in the background.
- 301B Dual Expression Attenuator — The ADDAC301B Dual Expression Attenuator (2014) is a passive 4 HP Eurorack module for foot-controlled CV/audio attenuation, featuring invert switches and compact design.
- 301C — The ADDAC 301C is a passive dual sustain pedal switcher for Eurorack—simple, silent, and essential for live modular performance.
- 302 — The ADDAC 302 turns a Nintendo Nunchuk into a multidimensional Eurorack controller—messy, expressive, and full of surprises.
- 302 CV Mix — The ADDAC 302 CV Mix averages control voltages with surgical precision—no knobs, no fuss, just reliable math in 4HP.
- 302 CV Mixup — The ADDAC 302 CV Mixup turns joystick and accelerometer motion into expressive control voltage—ideal for live performance and tactile patching.
- 303 — The ADDAC 303 translates muscle tension into control voltage, turning your body into a live patch cable for Eurorack systems.
- 303 Muscle Sensing — The ADDAC 303 Muscle Sensing module turns your body's electrical signals into modular control voltage—raw, physical, and deeply expressive.
- 304 — The ADDAC 304 Manual Gates module offers 8 tactile triggers with 4 doubling as momentary signal pass-throughs—simple, reliable, and essential for live modular performance.
- 305 — The ADDAC 305 Manual Latches is an 8-channel Eurorack module offering latching switches for gates and signal routing—simple, tactile, and essential.
- 306 — The ADDAC 306 VC Transitions is a 5-channel CV morphing module that lets you smoothly transition between patch states with a single slider.
- 306 Touch Controller — The ADDAC 306 Touch Controller is a 5-channel CV morphing module that lets you transition between two voltage states with a single slider—ideal for live performance and patch automation.
- 306 VC Transitions — The ADDAC 306 VC Transitions is a 5-channel CV morphing module for Eurorack, letting you smoothly transition between sonic states with one slider.
- 307 — The ADDAC 307 turns your heartbeat into a control voltage, offering a rare bio-responsive tool for Eurorack modular synthesis.
- 307 Heart Sensing — The ADDAC 307 Heart Sensing turns your pulse into CV and gate signals, blending biology with modular synthesis in a uniquely expressive way.
- 308 — The ADDAC 308 converts ambient light into expressive CV, offering dual outputs, adjustable response, and real-time environmental modulation for Eurorack.
- 308 Light to CV — The ADDAC 308 Light to CV turns ambient light into expressive control voltage, blending analog warmth with experimental interactivity in a compact 4HP Eurorack module.
- 310 — The ADDAC 310 Pressure to CV turns breath into expressive control voltage, offering dual-channel modulation with analog immediacy in a 10 HP Eurorack module.
- 310 Pressure to CV — The ADDAC 310 Pressure to CV turns breath into modular control voltage, using sealed-tube pressure sensing for sustained, expressive modulation.
- 311 — The ADDAC 311 Ultra Floor Control brings five expression pedals and five footswitches into Eurorack via a compact 8HP module—feet finally get their due in modular performance.
- 401 — The ADDAC 401 turns audio amplitude into 8 independent gates, transforming volume into rhythm—one of Eurorack's most inventive envelope followers.
- 402 — The ADDAC 402 is a 20HP Eurorack rhythm generator with six algorithmic modes, including Euclidean, Game of Life, and voltage-controlled Pong.
- 402B — The ADDAC 402B is a purpose-built MIDI expander that adds full bidirectional MIDI control to the ADDAC 402, turning it into a studio-integrated rhythm powerhouse.
- 500 Series — The ADDAC 500 Series brings generative depth to Eurorack with the 501, 503, and 504—each turning randomness into a compositional ally.
- 501 — The ADDAC 501 is a 4-channel Eurorack random voltage generator with CV control, quantization, and Brownian motion—compact, musical, and deeply flexible.
- 501 Complex Random — The ADDAC 501 Complex Random is a 4-channel Eurorack CV generator with Brownian motion, quantization, and deep voltage/timing control—musical randomness refined.
- 501B — The ADDAC 501B is a gate-expansion module for the 501 Complex Random, adding six polarity-matched gates and a characterful glide control.
- 501B Complex Random Expansion — The ADDAC 501B Complex Random Expansion adds gate outputs to the ADDAC 501 with dual signals, smooth control, and two trigger modes. Specs, integration, and current pricing.
- 501B Expansion — The ADDAC 501B Expansion adds gate outputs to the 501 Complex Random, turning chaotic CV into rhythmic triggers with a smoothable slew for organic timing.
- 502 Lissajous Curves — A rare, legacy Eurorack module from ADDAC with minimal specs but lingering user interest.
- 503 — The ADDAC 503 turns simulated marble physics into expressive CV, blending motion, chaos, and control in a 10 HP Eurorack module.
- 503 Marble Physics — The ADDAC 503 Marble Physics brings Newtonian motion to Eurorack, turning a simulated rolling marble into expressive, organic CV for modulation, panning, and rhythm.
- 504 — ADDAC 504 Probabilistic Generator – a compact Eurorack module for generative rhythms, with probability, lock mode, and multi-function knobs.
- 504 Probabilistic Generator — The ADDAC 504 Probabilistic Generator is a Eurorack module that turns weighted chance into musical narrative, with tunable pitches, cascading gates, and deep CV control.
- 506 — The ADDAC 506 is a 4-channel stochastic envelope generator that blends analog warmth with digital randomness for evolving, self-patching modulation.
- 506 Stochastic Function Generator — The ADDAC 506 Stochastic Function Generator blends analog envelopes with digital randomness, offering four channels of generative modulation in 20HP.
- 506 VC Stochastic Function Generator — ADDAC 506 VC Stochastic Function Generator: 4-channel Eurorack envelope/slew generator with stochastic control, 20HP, 340€
- 506B VC Stochastic Function Generator Expansion — A 2 hp Eurorack expander that adds four trigger inputs and four CV outputs to the ADDAC506, powered via the host module and running reprogrammed firmware.
- 507 Random Bezier Waves — The ADDAC 507 Random Bezier Waves delivers two channels of smooth, Bezier-interpolated random CV—organic, evolving modulation that feels alive.
- 508 Spectral Processor — The ADDAC 508 Spectral Processor transforms sound into evolving textures with real-time spectral morphing—digital synthesis that feels alive.
- 508 Swell Physics — The ADDAC 508 Swell Physics (2024) uses ocean wave physics to generate evolving CV from 4 virtual buoys. Specs, simulation models, and pricing.
- 511 — The ADDAC 511 is a 4-channel Eurorack stochastic voltage generator with sequencing, quantization, and deep randomization control—ideal for generative music.
- 511 VC Stochastic Voltage Generator — The ADDAC 511 VC Stochastic Voltage Generator is a 20HP Eurorack module offering four-channel generative control with deep randomness, quantization, sequencing, and logic.
- 601 — The ADDAC 601 VC Fixed Filterbank transforms noise into melody with 8 analog bands, voltage control, and per-band envelope following.
- 601 VC Fixed Filterbank — The ADDAC 601 VC Fixed Filterbank is an 8-band Eurorack module that doubles as a voltage-controlled filterbank and per-band envelope follower, ideal for spectral shaping and dynamic modulation.
- 603 — The ADDAC 603 VC Triple Bandpass Filter brings vintage Korg PS-3300-style formant magic to Eurorack with aggressive gain, full CV control, and chaotic sonic potential.
- 604 — A compact 6HP Eurorack dual analog multimode filter with stereo linking, 12dB/oct slopes, and no resonance CV—ideal for space-conscious setups.
- 604 Dual Filter — The ADDAC 604 Dual Filter (2020) packs two channels of brutal, character-rich analog filtering into 6hp. Specs, sound, and current pricing.
- 607 — The ADDAC 607 Crossover (€299) is a 6 HP Eurorack module that splits audio into three bands with switchable crossover points. Specs, layout, and patching insights.
- 611 — The ADDAC 611 is a tube-driven Eurorack filter that embraces noise, distortion, and unpredictability for raw, character-rich sound shaping.
- 611 Gotharman's VC Tube Filter — A tube-powered Eurorack filter that trades precision for raw, howling character—each unit unique, unpredictable, and built to destroy sound beautifully.
- 701 — The ADDAC 701 Rev2 is a stable, Moog-voiced analog VCO with a unique waveform mixer, built for reliability and hands-on tone shaping in Eurorack.
- 701 VCO — The ADDAC 701 VCO Rev 2 packs CEM3340-based analog oscillation, waveform mixing, and LFO mode into 8 HP—offering pro features at a surprisingly fair price.
- 701.REV2 — The ADDAC 701.REV2 is a stable, no-nonsense analog VCO with CEM3340 core and onboard waveform mixing—reliable from bass to FM.
- 702 — The ADDAC 702 is a dual analog filter module with voltage-controlled mix, distortion, and phase inversion—raw, unpredictable, and fiercely musical.
- 702 VCF — The ADDAC 702 VCF is a dual-channel Eurorack filter inspired by the MS-20, with voltage-controlled mix, distortion, and Oscar-style coupling.
- 703 — The ADDAC 703 is a discrete analog Eurorack mixer with Moog CP-3 DNA, known for its warm saturation, feedback tricks, and front-panel trimmable channels.
- 703 Discrete Mixer — The ADDAC 703 Discrete Mixer is a CP3-inspired Eurorack module with a gritty, trimmable analog character and feedback routing—more than a mixer, it's a tone shaper.
- 710 Balanced Outputs — The ADDAC 710 Balanced Outputs is a no-nonsense Eurorack module that uses transformer isolation to eliminate hum and preserve signal integrity.
- 711 — The ADDAC 711 is a dual-channel transformer-isolated DI module for Eurorack, designed to eliminate noise and ground loops when integrating external audio sources.
- 711 Balanced Inputs — The ADDAC 711 Balanced Inputs is a dual-channel transformer-isolated DI module that eliminates ground loop hum and ensures clean signal routing in Eurorack systems.
- 712 — The ADDAC 712 Vintage Pre is a dual-channel Eurorack module that emulates 1970s discrete preamp saturation with authentic analog warmth and asymmetrical clipping.
- 712 Vintage Pre — The ADDAC 712 Vintage Pre brings 1970s discrete preamp warmth to Eurorack, with dual channels of organic saturation and a quirky, musical clipping behavior.
- 712 Vintage Preamp — The ADDAC 712 Vintage Preamp is a discrete dual-channel Eurorack module that adds warm, musical saturation inspired by 1970s console preamps.
- 713 — The ADDAC 713 is a deceptively powerful Eurorack mixer that turns feedback into a musical weapon — clean on the surface, chaotic at heart.
- 713 Stereo Discrete Mixer — The ADDAC 713 Stereo Discrete Mixer delivers CP3-inspired analog grit, feedback-driven distortion, and stereo panning in 8HP of Eurorack mayhem.
- 714 — The ADDAC 714 Vintage Clip is a dual-channel soft-clipping Eurorack module with fixed 3.3kHz filtering, delivering warm, vintage-inspired distortion in just 6HP.
- 714 Vintage Clip — The ADDAC 714 Vintage Clip is a dual-channel diode clipper that adds warm, analog-style saturation to Eurorack systems with a fixed 3.3kHz low-pass filter.
- 714 Vintage Clipper — The ADDAC 714 Vintage Clipper is a 6HP Eurorack module that delivers warm, diode-based soft clipping with a fixed 3.3kHz low-pass filter for authentic vintage saturation.
- 800 Series — The ADDAC 800X uses a premium nickel-core transformer to deliver silent, noise-free modular outputs—rare in its focus and unmatched in clarity.
- 800X High-End Outputs — The ADDAC 800X High-End Outputs module uses vintage-style audio transformers to eliminate hum and deliver pristine, balanced XLR outputs for Eurorack systems.
- 802 — The ADDAC 802 is a 22HP Eurorack VCA/mixer with dual busses, AC/DC coupling, and bifunctional knobs—dense, smart, and essential.
- 802 VCA Quintet — Five-channel analog VCA and mixer in 12 HP from Lisbon-based ADDAC System — now out of production and sought after for its dual-path design.
- 802R — The ADDAC 802R flips the standard Eurorack layout for smarter cable routing, turning a 5-channel VCA mixer into a modular workflow essential.
- 803 — The ADDAC 803 Quadraphonic Spatializer brings VBAP-powered, four-channel analog panning to Eurorack, blending digital precision with warm, discrete outputs.
- 805.VS2 — The ADDAC 805.VS2 is a flexible Eurorack VC signal router with 4-quadrant mixing, stereo crossfading, and CV morphing in 8HP.
- 806 — The ADDAC 806 Bluetooth Audio module brings wireless stereo streaming into Eurorack, with dual VCAs and CV control for seamless integration.
- 807 — The ADDAC 807 is a Eurorack console-style mixer with CV-controlled faders, sends, and expands to 9 stereo channels.
- 807 VC Stereo Summing Mixer — The ADDAC 807 VC Stereo Summing Mixer is a modular component in the ADDAC800 Series, designed for expandable stereo mixing — but details remain scarce.
- 807A+ — The ADDAC 807A+ is a 6HP passive module that adds individual post-fader stereo outputs to the ADDAC807 mixing system.
- 807B — The ADDAC 807B is a 24 HP Eurorack input console that seamlessly integrates external audio with CV-controlled level automation and studio-grade signal conversion.
- 807C — The ADDAC 807C expands the 807A/B mixer with 4 CV-controlled stereo channels, turning a modular console into a 9-channel analog powerhouse.
- 812A — ADDAC 812A LED Audio Meter – dual-channel Eurorack voltage meter with trimmable 11-LED display and buffered thru outputs.
- 812A Led Audio Meter — The ADDAC 812A LED Audio Meter is a 4 HP dual-channel voltage monitor with 11 LED pairs per channel, color-coded from green to red across 0–10V.
- 812V — The ADDAC 812V is a dual LED voltage meter for Eurorack, featuring trimmable displays, buffered thru outputs, and a clean black-panel design.
- 812VU — ADDAC 812VU: Dual analog VU meter for Eurorack, 8 HP, with switchable lamp and in-house trimmed levels.
- 814 — The ADDAC 814 is a 6x6 stereo matrix mixer for Eurorack, expandable to 18x18, with DC coupling, color-coded knobs, and split control/jack modules.
- 814 6x6 Stereo Matrix Mixer — The ADDAC 814 6x6 Stereo Matrix Mixer redefines Eurorack signal routing with expandable, DC-coupled stereo matrix flexibility and split-module clarity.
- 815 — The ADDAC 815 is a compact 6HP stereo mixer with a discrete class-A signal path that adds subtle analog warmth to Eurorack systems.
- 816 — ADDAC 816 (2025) Eurorack percussion VCA with built-in AD envelope — 5HP module for turning any signal into a punchy, saturated hit.
- 900B Busboard VS.2 — The ADDAC 900B Busboard VS.2 delivers reliable Eurorack power distribution with integrated +5V conversion—essential infrastructure for skiffs and DIY frames.
- 900PDO — The ADDAC 900PDO is a power delay module for old-style ADDAC busboards, designed to smooth startup current spikes in modular synth systems.
- ADDAC101 — The ADDAC101 .Wav Player brought digital sampling to Eurorack with hands-on control and SD card playback—simple, tactile, and a bit finicky.
- ADDAC102 — The ADDAC102 VC FM Radio brings live FM broadcasts into Eurorack, voltage-controlling tuning, volume, and seek for experimental sound design.
- ADDAC200 — The ADDAC200 2HP Multiples is a compact Eurorack utility module for signal splitting, part of ADDAC System's ADDAC200 Series.
- ADDAC200B — The ADDAC200B is a 2HP buffered multiple that preserves CV/gate integrity across complex Eurorack systems—minimal, reliable, essential.
- ADDAC200PI — The ADDAC200PI Pedal Integrator fits two channels of pedal integration into 4 HP, letting modular users run guitar effects at proper levels with mixed jack compatibility.
- ADDAC216 — ADDAC216 Sum & Difference is a dual-channel Eurorack utility that adds, subtracts, rectifies, and offsets signals in 8 HP.
- ADDAC800 — The ADDAC800X (2020s?) is a transformer-isolated Eurorack output module with balanced XLRs, 8 HP size, and studio-grade noise rejection. Specs, pricing, and real-world use.
- Looper & Granular Processor — ADDAC112 VC Looper & Granular Processor (2021) — a 45HP Eurorack powerhouse for deep granular manipulation and real-time looping.
- Oscilloscope & AWG — The ADDAC205 Dual Oscilloscope & AWG packs two 8-bit scopes and an AWG into 10 HP—useful lab tool or lazy repackaging?