ALM Busy

Explore 108 ALM Busy vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.

Other Models

• ALM Busy — Vintage Synthesizer — Explore 108 ALM Busy vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.
• Akemie's Castle — A Eurorack FM synth module using vintage Yamaha chips with full knob and CV control—raw, gritty, and wildly expressive.
• Akemie's Taiko — ALM Busy Akemie's Taiko uses original Yamaha OPL3 chips for gritty, unpredictable FM drum and synth sounds in Eurorack.
• ArmSID — The ALM Busy ArmSID brings the authentic, gritty sound of the C64's SID chip into Eurorack, preserving its quirks and character in a modern, reliable package.
• Axon-1 — The ALM Busy Axon-1 ($140) adds 4 assignable CV inputs with digital attenuation for the Squid Salmple, MFX, and Pamela’s PRO Workout. Specs, compatibility, and current market prices.
• AXON-2 — The ALM Busy AXON-2 is an 8HP expander that adds hands-on CV control and performance buttons to SQUID, MFX, and Pamela's PRO Workout.
• Circuits — ALM Busy Circuits redefined Eurorack with smart, playful modules like Pamela’s Workout and the System Coupe—digital, analog, and utterly essential.
• Circuits AB2 — The ALM Busy Circuits AB2 is a compact dual comparator for Eurorack, delivering precise gate signals from analog sources—essential utility in 4HP.
• Circuits Akemie's Castle — ALM Busy Circuits Akemie's Castle (2022) uses NOS Yamaha FM chips for authentic 4-operator digital synthesis in Eurorack—dense, powerful, and sonically unique.
• Circuits Akemie's Taiko — The ALM Busy Circuits Akemie's Taiko ($350) is a 18 HP FM drum synth using original Yamaha ICs. Skiff-friendly, 1V/oct tracking, and capable of tearing holes in space time.
• Circuits ASQ-1 — The ALM Busy Circuits ASQ-1 is a tactile, screenless Eurorack sequencer that blends SH-101 simplicity with modern polyphonic sequencing and live quantization.
• Circuits Axon-1 — The ALM Busy Circuits Axon-1 is a 4HP expander that adds four assignable CV inputs to Squid Salmple, MFX, and Pamela’s Pro Workout—essential for deep modular control.
• Circuits Axon-2 — The ALM Busy Circuits Axon-2 is an 8HP expander that adds hands-on CV control and performance buttons to SQUID, MFX, and Pamela’s PRO Workout.
• Circuits AXON-II — The ALM Busy Circuits AXON-II is an 8HP expander that adds hands-on CV control and performance buttons for Pamela's Pro Workout and Squid Salmple.
• Circuits Befaco Rampage — The Befaco Rampage brings Serge-style analog slope generation to Eurorack—raw, expressive, and essential for West Coast synthesis.
• Circuits CIZZLE — ALM Busy Circuits CIZZLE brings Casio CZ-style phase distortion synthesis to Eurorack with dual oscillators, chord mode, and voltage-controlled CZ squelch.
• Circuits D.S.G — The ALM Busy Circuits D.S.G. is a passive Eurorack module that splits and distributes DIN sync signals from vintage Roland gear into modular-compatible triggers.
• Circuits Dinky's Taiko — The ALM Busy Circuits Dinky's Taiko (ALM005) is a 12 HP digital drum voice with 24 wavetables, noise, and analog EQ. Specs, pricing, and why it’s sought after.
• Circuits DSO — The ALM Busy Circuits DSO is a dual-channel digital oscilloscope for Eurorack, offering real-time waveform visualization in a compact 12HP module.
• Circuits FIZZLE GUTS — The ALM Busy Circuits FIZZLE GUTS is a rare Eurorack module using salvaged Casio FZ-1 filter chips — only 30 made, cult status, raw analog character.
• Circuits Haswell's Taiko — The ALM Busy Circuits Haswell's Taiko (discontinued) is a 12 HP digital drum module with hand-drawn waveforms, limited to 100 units. Specs, history, and collector pricing.
• Circuits Jumble Henge — The ALM Busy Circuits Jumble Henge is a fixed-architecture 8HP Eurorack mixer that filters and pans signals based on patch position—creative, immediate, and uniquely tactile.
• Circuits MATHS — ALM Busy Circuits MATHS (2010–Present): a dual-channel analog computer for modular synthesis, prized for its generative envelopes, chaotic potential, and patch-programmable flexibility.
• Circuits MCF — The ALM Busy Circuits MCF is a compact 3-pole analog state-variable filter with simultaneous LP/HP/BP outputs and self-oscillation—practical, musical, and built to last.
• Circuits MCFx2 — Dual 3-pole analog state-variable filter with self-oscillation, 1V/Oct tracking, and internal serial/parallel routing—raw, flexible, and built to last.
• Circuits MCO — The ALM Busy Circuits MCO is a 6HP Eurorack oscillator that delivers gritty, morphing digital wavetables and Alpha Juno–style PWM with sub-octave thickness.
• Circuits MCO (mk II) — The ALM Busy Circuits MCO (mk II) packs seven 90s-inspired digital synth engines into 6HP, blending nostalgia with modern reliability.
• Circuits MCO mkII — ALM Busy Circuits MCO mkII (2024–): a 6HP digital synth voice module packing seven vintage-inspired engines, from JP-8000 supersaws to SID chip emulation.
• Circuits Mega Milton — The ALM Busy Circuits Mega Milton packs a stereo line converter, mixer, slew, sample & hold, and buffered mult into 8HP of essential Eurorack utility.
• Circuits MEGA-TANG — The ALM Busy Circuits MEGA-TANG is a 4-channel linear VCA and stereo mixer built for live performance, featuring THAT 2164 VCAs, DC-coupled inputs, and expandable design.
• Circuits MFX — The ALM Busy Circuits MFX packs 16 digital effects, utilities, and vintage-inspired reverbs into a 6HP Eurorack module with continuous firmware evolution.
• Circuits MFX Pedal — The ALM Busy Circuits MFX Pedal packs 18 Eurorack-grade digital effects into a stompbox, blending vintage DSP character with modern control.
• Circuits Milton — The ALM Busy Circuits Milton is a compact 6HP Eurorack utility that combines line-level boosting, buffering, mixing, and attenuation—essential infrastructure for any modular system.
• Circuits MiXi — The ALM Busy Circuits MiXi is a fixed-architecture stereo mixer that uses resonant filters and spatial routing to transform mixing into a creative act.
• Circuits MT-EX1 — The ALM Busy Circuits MT-EX1 is a 4HP expander that adds four inputs to the MEGA-TANG mixer, including line-level, fixed, and stereo chaining options.
• Circuits MT-EX2 — The ALM Busy Circuits MT-EX2 adds a second effects send/return per channel to the MEGA-TANG, enabling layered processing in just 4HP.
• Circuits MUM M8 — The ALM Busy Circuits MUM M8 brings the Akai S950's iconic jungle-era filter into Eurorack, with voltage control, resonance, and gritty saturation.
• Circuits O/A/x2 — The ALM Busy Circuits O/A/x2 is a dual attenuverter with bipolar offset and LED monitoring in 4HP—essential for precise CV shaping in Eurorack.
• Circuits Pam's 8 — The original ALM Pam's 8 redefined Eurorack timing with deep clock division, real-time editing, and a cult-following that shaped a generation of modular synthesis.
• Circuits Pam's New Workout — ALM's Pam's New Workout redefined rhythmic modulation in Eurorack with clock-synced waveforms, Euclidean rhythms, and a clear OLED interface — a discontinued but enduring classic.
• Circuits Pamela's Disco — ALM Busy Circuits Pamela's Disco syncs Eurorack to Pioneer DJ gear via PRO DJ-LINK, translating network tempo into modular clock signals.
• Circuits Pamela's New Workout — The ALM Busy Circuits Pamela's New Workout redefined clock modules with 8 synced modulation outputs, OLED interface, and deep programmability in 8HP.
• Circuits Pamela's Pro Workout — The ALM Busy Circuits Pamela's Pro Workout redefines Eurorack modulation with 8-channel sync, full-color UI, and deep cross-modulation in 8HP.
• Circuits Pamela's Workout — The original ALM Pamela's Workout (2012–2018) redefined Eurorack timing with 8 programmable trigger outputs, voltage-controlled clocking, and rock-solid sync—making it a vintage essential.
• Circuits Pip Filter — A compact 4HP Eurorack filter with resonance, pingable envelope, and built-in VCA—musical, efficient, and essential in tight racks.
• Circuits Pip Filter & LFO — Compact 4HP Eurorack modules from ALM: the Pip Filter offers a 2-pole VCF with pingable envelope, while the Pip LFO doubles as a VCO—raw, efficient, and full of character.
• Circuits Pip LFO — The ALM Busy Circuits Pip LFO packs analog waveforms, VCO mode, and full CV control into 4HP—making it a modern Eurorack essential.
• Circuits Pip Slope — A 4HP Eurorack envelope generator with morphing shapes, looping modes, and voltage control—dense, expressive, and deceptively powerful.
• Circuits Pip Slope Mk II — The ALM Busy Circuits Pip Slope Mk II packs a dual-mode envelope generator, shape morphing, and intelligent looping into 4HP—making it one of Eurorack's most powerful compact modulators.
• Circuits Pipes — ALM Busy Circuits Pipes (2016–2020) is a 2HP digital pulse processor that transforms triggers into complex, evolving rhythms—compact, reliable, and endlessly inventive.
• Circuits PPEXP-1 — The ALM Busy Circuits PPEXP-1 adds MIDI, DIN sync, and five buffered gate outputs to Pamela’s PRO Workout—essential for syncing external gear with precision.
• Circuits PPEXP-2 — The ALM Busy Circuits PPEXP-2 expands Pamela’s PRO Workout with MIDI, DIN sync, and x24 outputs—essential for syncing modular to external gear.
• Circuits PPEXP1 — The ALM Busy Circuits PPEXP1 is a 4HP expander that adds buffered MIDI, DIN sync, and fixed clock outputs to Pamela’s PRO Workout for rock-solid external gear syncing.
• Circuits PPEXP2 — The ALM Busy Circuits PPEXP2 is a 2HP expander that adds buffered MIDI, Din Sync, and Run outputs to Pamela’s PRO Workout for rock-solid external clocking.
• Circuits PPX2 — The ALM Busy Circuits PPX2 is a compact, buffered expander that delivers rock-solid MIDI and DIN Sync from Pamela’s Pro Workout—essential for hybrid modular setups.
• Circuits Purespace — ALM Busy Circuits Purespace (2021–) is a deep, stereo digital reverb module with dual engines, full CV control, and shimmer/nonlinear modes—built for immersive sound design.
• Circuits QCD — The ALM Busy Circuits QCD is a chaotic, no-knobs analog modulator that turns clock signals into evolving, unpredictable control voltages—minimalist, mesmerizing, and always surprising.
• Circuits Quadrax — The ALM Busy Circuits Quadrax is a 32HP Eurorack module offering four deep, interactive slope generators with OLED feedback—ideal for evolving textures and rhythmic chaos.
• Circuits Quaid — The ALM Busy Circuits Quaid is a 5-stage Eurorack function generator that excels as a complex envelope, custom LFO, and glitchy sequencer with hands-on fader control.
• Circuits Quaid GigaSlope — ALM Busy Circuits Quaid GigaSlope (2023–): 52hp quad 13-stage modulator that redefines voltage control in modular synthesis.
• Circuits Quaid Megaslope — The ALM Busy Circuits Quaid Megaslope is a 19HP Eurorack module that functions as a five-stage envelope, LFO, and sequencer with real-time voltage control and tactile sliders.
• Circuits S.B.G — The ALM Busy Circuits S.B.G. is a 4HP Eurorack module that safely interfaces guitar pedals with modular systems, handling level matching, dry/wet blending, and CV regulation.
• Circuits S.B.G-PRO — The ALM Busy Circuits S.B.G-PRO is a pro-grade Eurorack interface for balanced stereo outboard gear, with CV-controlled wet/dry mix and safe expression control.
• Circuits S.B.G. Pedal Interface — The ALM Busy Circuits S.B.G. Pedal Interface ($140) bridges Eurorack and guitar pedals with level matching, CV regulation, and dry/wet crossfade in 4HP. Specs, use cases, and value.
• Circuits SB-Link — The ALM Busy Circuits SB-Link is a no-nonsense, 4HP Eurorack interface that safely bridges guitar pedals and modular synths with switchable direction and level matching.
• Circuits SBG — The ALM Busy Circuits SBG (–) is a 4 hp Eurorack module that integrates guitar pedals into modular systems with level matching, CV conditioning, and wet/dry crossfade. Specs, pricing, and quirks.
• Circuits SBG Pedal Interface — The ALM Busy Circuits S.B.G. Pedal Interface ($140) is a 4 HP Eurorack module that safely integrates guitar pedals with modular synths. Gain control, CV regulation, and wet/dry crossfade—specs, pricin…
• Circuits SBG-Pro — The ALM Busy Circuits SBG-PRO (2025) bridges Eurorack and outboard gear with balanced I/O, CV safety, and 32dB gain. Specs, history, and pricing.
• Circuits SCM — The ALM Busy Circuits SCM is a lo-fi Eurorack sampler that turns digital limitations into musical character—warm, wobbly, and full of surprise.
• Circuits SCR-H8 — The ALM Busy Circuits SCR-H8 is a voltage-controlled 8-stage shift register that turns digital logic into generative rhythms and chaotic sequencing for Eurorack.
• Circuits SEQ-3 — The ALM Busy Circuits SEQ-3 is a hands-on, performance-ready Eurorack step sequencer with per-step gate control, skip functions, and four drum triggers—built for rhythm that feels alive.
• Circuits SID GUTs — The ALM Busy Circuits SID GUTs drops a real Commodore 64 SID chip into Eurorack, delivering authentic 8-bit sound with full voltage control.
• Circuits SID GUTs Deluxe — The ALM SID GUTs Deluxe brings the authentic Commodore 64 SID chip into Eurorack with voltage-controlled chords, filter modulation, and raw 8-bit character.
• Circuits SIZR — The ALM Busy Circuits SIZR is a 2HP Eurorack module that intelligently cleans up and reshapes gate timing, turning chaotic triggers into tight, musical rhythms.
• Circuits SLOG — The ALM Busy Circuits SLOG is a chaotic 6HP analog feedback delay that turns instability into music—beloved by noise artists and experimental synth fans.
• Circuits SMT — The ALM Busy Circuits SMT — vintage synth equipment. Specifications, history, and review.
• Circuits SNF-1 — The ALM Busy Circuits SNF-1 is a raw, aggressive state-variable filter that trades precision for character — perfect for noise, industrial textures, and analog chaos.
• Circuits Sputnik — The ALM Busy Circuits Sputnik — vintage synth equipment. Specifications, history, and review.
• Circuits Squid — The ALM Busy Circuits Squid Salmple is an 8-channel Eurorack sampler that blends vintage lo-fi character with modern CV control and real-time editing.
• Circuits Squid Salmple — The ALM Busy Circuits Squid Salmple is an 8-channel Eurorack sampler that eats audio and CV, then spits out glitched, lo-fi, real-time-mangled sound with zero menu diving.
• Circuits Stem Ripper — The ALM Busy Circuits Stem Ripper is an 8-channel Eurorack recorder that captures full modular patches to SD card—no computer needed.
• Circuits System Coupe — The ALM Busy Circuits System Coupe is a complete 84HP modular groovebox blending digital sampling, analog filtering, and generative sequencing in a portable, factory-tuned system.
• Circuits Tangle Quartet — Four ultra-clean THAT 2164 VCAs in 8HP—silent, precise, and indispensable in any serious Eurorack system.
• Circuits TAZM-O — ALM Busy Circuits TAZM-O: analog through-zero FM oscillator with wave morphing, built-in VCA, and octave transpose CV in 12HP.
• Circuits Turismo — The ALM Busy Circuits Turismo is a complete 84HP Eurorack workstation blending analog warmth, digital grit, and live-ready sequencing in a travel-friendly case.
• Circuits Tyso Daiko — The ALM Busy Circuits Tyso Daiko (14hp) is a dual 12-bit digital drum voice with analog EQ and wavefolder outputs. Specs, user insights, and current pricing.
• Dinky's Taiko — The ALM Busy Dinky's Taiko is a 12-bit digital drum module with CV-controlled noise, oscillator, and analog EQ. Discontinued, now reselling for $370. Specs, history, and pricing.
• MCO — The ALM Busy MCO is a 6HP Eurorack digital oscillator that delivers aggressive, morphing wavetable tones inspired by 1990s synths.
• MCO MkII — The ALM Busy MCO MkII packs seven digital synth engines, polyphony, and vintage 90s/00s tones into 6HP—dense, powerful, and unmistakably ALM.
• Mega Milton — The ALM Busy Mega Milton (–) is an 8HP Eurorack utility module with line input, mixer, S&H, slew, and buffered mult. Specs, pricing, and patching insights.
• MFX — The ALM Busy MFX packs 40 years of digital effects history into a 6HP Eurorack module, blending vintage character with modern expandability.
• O/A/x2 — The ALM Busy O/A/x2 is a dual-channel Eurorack attenuverter with offset and LED monitoring—compact, essential, and endlessly useful for CV shaping.
• Pamela's New Workout — ALM Busy Pamela's New Workout (2015–2021) — the rhythmic brain of Eurorack, blending clock division, modulation, and Euclidean grooves in 8HP.
• Pamela's PRO Workout — The ALM Busy Pamela's PRO Workout (–) is an 8-channel advanced clock/CV source with dual-core processing, color display, and USB-C firmware. Specs, features, and pricing.
• Pip Filter — The ALM Busy Pip Filter packs a 2-pole VCF, pingable trigger, and built-in VCA into just 4HP. Specs, layout, and MSRP revealed.
• Pip LFO — The ALM Busy Circuits Pip LFO (2025) is a 4HP all-analog Eurorack module that doubles as a VCO. Compact, versatile, and made in England. Specs, pricing, and real-world insights.
• Pip Slope — A 4HP Eurorack envelope generator that delivers snappy response, shape morphing, and intelligent looping in minimal space.
• Pip Slope mk II — The ALM Busy Pip Slope mk II is a 4HP Eurorack envelope generator with morphing slopes, looping modes, and 5V/8V output switching. Specs, history, and market data.
• PPEXP1 — The ALM Busy PPEXP1 (4HP) adds MIDI, Din Sync, and fixed gate outputs to Pamela's PRO Workout. Specs, pricing, and why it's a quiet essential.
• PPEXP2 — The ALM Busy PPEXP2 (2HP) adds DIN Sync, MIDI clock, and fixed clock outputs to Pamela’s PRO Workout. Specs, pricing, and sync tips.
• Quaid Megaslope — The ALM Busy Quaid Megaslope is a 19HP Eurorack 4-channel modulator with 5-stage envelopes, ±5V output, and CZ/Juno-inspired function generation. Specs, pricing, and real-world use.
• SID GUTS — ALM Busy SID GUTS Deluxe (2014–2024) brings the real C64 SID chip into Eurorack—19HP of raw, unfiltered 8-bit soul. Specs, quirks, and collector value.
• SID Guts Deluxe — The ALM Busy SID Guts Deluxe brings the real Commodore 64 SID chip into Eurorack — raw, unstable, and utterly authentic.
• Squid — The ALM Busy Circuits Squid Salmple (2023) is an 8-channel Eurorack sampler with 11-second memory, CV sampling, and USB bank loading. Specs, pricing, and real-world use.
• Squid Salmple — The ALM Busy Squid Salmple is an 8-channel Eurorack sampler with real-time CV/audio sampling, USB storage, and 11-second sample memory. Specs, pricing, and details.
• SwinSID — The ALM Busy SwinSID brings the legendary C64 SID chip into Eurorack with modern reliability and full voltage control — chiptune authenticity without the meltdown risk.
• Tyso Daiko — The ALM Busy Tyso Daiko is a dual-voice digital drum module that morphs wavetables, argues with itself, and turns percussion into performance art.