ALM Busy Circuits ASQ-1 (2022–)
A no-screen Eurorack sequencer and quantizer built for tactile, performance-oriented workflow
Overview
The ALM Busy Circuits ASQ-1 is a Eurorack sequencer and quantizer designed as a reaction to the increasing complexity of modern modular sequencing. Released in 2022 and debuted at Superbooth 2022, it emphasizes immediacy and playability with a grid of mechanical key switches that provide audible and physical feedback. It runs two independent CV/Gate sequencers simultaneously and includes four separate trigger tracks, making it a compact yet powerful hub for rhythmic and melodic control. Designed in England, the ASQ-1 supports features like reverse, shuffle, overdub, transposition, mutes, and slide input handling, with non-volatile pattern storage and global load/save functionality.
Specifications
| Format | Eurorack |
| HP | 32 |
| Depth | 32mm |
| Power Supply | +12V 50mA / -12V 10mA |
| CV Outputs | 2x 0-5V, 16-bit resolution |
| Gate Outputs | 2x 5V |
| Trigger Outputs | 4x 5V |
| Quantizer Input | 1x CV, high-resolution |
| Clock Input | 1x |
| Clock Output | 1x |
| Reset Input | 1x |
| USB Port | USB-C (firmware updates, data backup) |
| Internal Clock | Yes, adjustable tempo |
| Sequence Length | Adjustable per pattern (independent) |
| Pattern Storage | Multiple, non-volatile (saves across power cycles) |
| Additional Features | DIN Sync support, reverse, shuffle, overdub, global load/save, transposition, mutes, slide input handling |
| Construction | PCB with mechanical key switches, LED feedback |
| Country of Origin | England |
Design
The ASQ-1 is a tactile, no-screen sequencer with an interface built around a grid of mechanical key switches that deliver satisfying clicky feedback—both audible and physical—inspired by the step-time entry of the Roland SH-101. It runs two independent CV/Gate sequencers at once and includes four separate trigger tracks for complex rhythmic layering. The unit features a high-resolution, clock-synced quantizer and handles slide inputs, making it a performance-focused module designed for fast, intuitive idea generation.
Context
The ASQ-1 landed in 2022 as a deliberate counterpoint to increasingly complex Eurorack sequencers, positioning itself against models like the MakeNoise René, Intellijel Metropolis, and Mutable Instruments Marbles. Though initially conceived around 2017, it was not produced until its official debut at Superbooth 2022. Marketed as a multimode sequencer with three different modes, it was praised for being simple, intuitive, and performable, with reactions split between those who found it too minimal and others who recognized its focused brilliance.
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