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ALM Manuals & User Guides

ALM provides detailed user manuals for its popular Eurorack modular synthesizers (ALM / Busy Circuits) as well as replacement garden machinery parts.

Tip: include the full model number printed on your ALM label for the best match.

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ALM Instruction Manuals & Product Guides

ALM features a divided but distinct product catalog across two major consumer industries. In the electronic music and audio production space, the brand is widely recognized as ALM / Busy Circuits. Based in England, they design and manufacture innovative Eurorack modular synthesizers, effects pedals, and utility modules like the MFX Pedal, Stereo Sum, and Mega Milton. Their sophisticated equipment offers advanced sound routing and processing solutions for musicians.

Additionally, the ALM brand encompasses ALM Manufacturing, which produces high-quality replacement parts and accessories for garden machinery. This includes trimmer lines, metal lawnmower blades, spark plugs, and replacement spools compatible with various top outdoor equipment brands. Whether you are patching a complex modular synthesizer or maintaining your lawnmower, this category provides the necessary instruction manuals to help you safely operate and maintain your ALM equipment.

ALM manuals

Latest manuals from manuals+ curated for this brand.

ALM MFX Pedal Clockface Modular User Guide

February 2, 2026
ALM MFX Pedal Clockface Modular Technical Specifications Power: 9v DC power, center negative (not supplied) Current Draw: 100ma (200ma+ supply recommended) Input Impedance: 1MOhm Output Impedance: 1KOhm Max Input level:…

ALM044MFD Stereo Cross Fader and VCA User Guide

December 8, 2023
ALM044MFD Stereo Cross Fader and VCA ALM044 / MFD Technical Specifications Power: +12V 70mA / -12V 70mA Size: 6HP Depth: 32mm Module Installation With your modular synth powered off, connect…

MEGA-TANG ALM033 User Manual

December 15, 2022
MEGA-TANG ALM033 INTRODUCTION The ‘Mega-Tang’ is a 4-channel linear VCA and stereo mixer providing per-input control over level, effect send, pan and muting. Designed for live use in mind with…

ALM028 Pip Slope Circuit Module User Guide

December 1, 2021
ALM028 Pip Slope Circuit Module User Guide Module Installation With your modular synth powered off connect the 10 pin end of the supplied standard eurorack power connector cable to the…

ALM MFX Pedal User Guide - ALM-SBO01

User Guide
Discover the ALM MFX Pedal (ALM-SBO01), a versatile audio effects processor for guitar and synth, featuring 18 effects programs, MIDI control, and expression pedal integration. This user guide details its…

ALM041 S.B.G-PRO Eurorack Utility Module - Busy Circuits

Product Overview
Explore the ALM041 S.B.G-PRO, a versatile Eurorack utility module by Busy Circuits. Learn about its technical specifications, module installation, features like Dry/Wet mixing, Send/Return, Expression I/O, and integration with external…

ALM Stem Ripper ALM050 Operation Manual

Operation Manual
Explore the ALM Stem Ripper ALM050, a compact 8-channel Eurorack audio recorder for capturing and transferring high-quality multichannel WAV files directly to an SD card. Learn about its features, operation,…

ALM manuals from online retailers

ALM TR885 Trimmer Spool & Line Instruction Manual

TR885 • January 28, 2026
Instruction manual for the ALM TR885 Spool and Line, designed for Bosch and Ryobi trimmers. This guide provides essential information on installation, operation, maintenance, and specifications for the…

TR255 Trimmer Line Spool User Manual

TR255 • August 13, 2025
Comprehensive user manual for the ALM TR255 Trimmer Line Spool, including setup, operation, maintenance, troubleshooting, and specifications for compatible trimmers and brushcutters.

ALM support FAQ

Common questions about manuals, registration, and support for this brand.

  • Where can I find the manual for my ALM Eurorack module?

    You can find detailed instruction manuals, technical specifications, and setup guides for ALM / Busy Circuits modules directly on this page.

  • What is the warranty period for ALM synthesizers?

    ALM / Busy Circuits modules generally include a 2-year warranty from the date of manufacture covering material and manufacturing defects.

  • Does ALM make garden machinery parts?

    Yes, under the ALM Manufacturing brand, they produce high-quality replacement parts such as lawnmower blades, trimmer spools, and spark plugs for a variety of lawn and garden equipment.

  • How do I connect power to my ALM Eurorack module?

    Always power off your modular synth before connecting the 10-pin power cable. Align the red stripe on the cable with the 'RED' (-12V) marker on the module before powering up to ensure reverse power protection.