ALM Busy Circuits
Lineup 9 / 44 in corpus
Lineup transcribed from https://busycircuits.com/collections/eurorack-modules ↗, last checked 2026-05-13.
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Beast's Chalkboard
Dual channel stepped voltage source and adder for eurorack. Primarily intended as a dual octave switcher for VCOs, with additional uses including sequence transposition, FM ratio creation, buffered CV distribution, and VCO calibration. Also functions as a 1-to-6 or dual 1-to-3 buffered mult.
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MCO (mkII)
Compact digital multi-voice synthesiser in 6HP with 8 synthesis engines (wavetable, additive, JP-style digi-synth, vocoder, virtual analog, bass/kick, SID chip emulation, vocal formant), 4-voice chords, internal envelopes and LFOs, dual audio outputs, and assignable CV inputs.
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Squid Salmple
8 channel audio & CV sampler designed for immediate real time sampling, editing and mangling within a modular context. Features Pamela's Workout style UI, CV control of all parameters, on-the-fly USB bank loading/saving, and 11 seconds of 16-bit/44.1kHz sample time per channel.
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Stereo Sum
Unity gain stereo summing mixer with four stereo input pairs summed as pairs to two independent mix outs or all as a single combined mix. DC coupled for audio or CV. Top mixer outputs normalize to bottom mixer section.
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Tangle Quartet
8 HP quad linear VCA built around THAT 2164 VCA ICs. Four independent DC-coupled linear VCAs, each with its own signal input, level/CV input, and individual output, plus a summed mix output. CV inputs are normalled to +5V so each channel doubles as a manual level control, making it usable as a clean four-channel mixer as well as a VCA bank. Marketed as a no-frills, bleed-free linear VCA; reverse-polarity protected and skiff-friendly.
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TAZM-O
Analog triangle core through-zero FM oscillator with continuous morphing waveshape, voltage-controlled FM index, built-in output VCA, voltage-controlled octave transposition, dual sub-octave pulse outputs, hard sync, and LFO mode.
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MFX
The MFX is a compact 6HP Eurorack stereo digital audio multi effects processor. It offers 17 different full featured effects programs plus a number of metering utilities.
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Pamela's PRO Workout
Compact programmable clocked modulation source providing 8 highly editable outputs producing various control voltage signals correlated and synced to a BPM based master clock. Each output can produce simple clocked triggers, complex rhythmic waveforms, quantised melodic patterns, or random chaos with direct and assignable CV control over numerous parameters.
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Pamela's NEW Workout
Compact programmable clocked modulation source providing 8 highly editable outputs producing various control voltage signals correlated and synced to a BPM based master clock.
- Akemie's Castle ↗
- ASQ-1 ↗
- AXON-2 ↗
- CIZZLE ↗
- FMco ↗
- HPO ↗
- Jumble Henge ↗
- MCFx2 ↗
- Mega Milton ↗
- Mega-Tang ↗
- MFD ↗
- mmMidi ↗
- MUM M8 ↗
- O/A/x2 ↗
- Pamela's Disco ↗
- PE-1 ↗
- Pip Filter ↗
- Pip LFO ↗
- Quaid Megaslope ↗
- S.B.G ↗
- S.B.G-PRO ↗
- Stem Ripper ↗
- Tyso Daiko ↗
- Akemie's Taiko ↗
- Boss Bow Two ↗
- Pip Slope ↗
- Quaid Gigaslope ↗
- AXON-1 ↗
- mmT ↗
- MT-EX1 ↗
- MT-EX2 ↗
- PPEXP1 ↗
- PPEXP2 ↗
- Stem Ripper Thru ↗
- Passive Mult ↗