Downloads

White papers

Induction Drive Loudspeakers
Induction loudspeaker motors use a transformer with fixed primary and moving secondary in a static magnetic field. FEA modelling has driven this technology forward.
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Low-Reluctance Return-Path Motors
One of the most difficult problems for a speaker engineer working with neodymium motors is balancing coil diameter against gap strength. This paper presents a solution.
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Design tools

Tolerance Calculator — an Excel sheet for calculating loudspeaker tolerances during transducer design.
Download XLS

SpeaD documentation

SpeaD Owner’s Manual — v0.45, 25 October 2026. The same manual that installs with SpeaD and opens from Help → Owner’s Manual: every page, panel and control, with design walkthroughs and screenshots.
Read online

Tutorial: Adding Cone Sizes — showing a cone size that is already in the Data Manager, and adding a custom one, step by step with screenshots.
English · 中文

Contact us if you need specific documentation in the meantime.