Resource
Lowther Loudspeakers DIY
Lowther’s DIY resource provides official cabinet plans matched to its full-range drive units. The current page distinguishes free self-build drawings from an Acousta 115/116 pre-cut kit that is still being prepared and is not yet on sale.
About this resource
Lowther Loudspeakers DIY is the manufacturer’s official cabinet-planning and self-build resource, not a separate speaker brand. It centers projects on Lowther full-range drive units paired with suitable enclosure designs. The page explains that the builder normally sources cabinet material and constructs the enclosure, with official plans providing internal geometry and assembly guidance for the chosen design. [1]
Available plan families include Acousta 90, Acousta 115/116, Acousta 124, Bicor 200, Accolade 2, Accolade 4 and Academy. The current Acousta 115/116 presentation recommends PM6A Sinfonia drive units and also lists DX3 and EX3 Concert alternatives. Lowther describes these as crossover-free full-range projects, where matching the cabinet to the driver is central rather than designing a separate multiband crossover. [1]
The FAQ grades builds from beginner through advanced and identifies accurate cutting, airtight glued joints and finishing as practical requirements. MDF or Baltic birch plywood are suggested materials. Importantly, the advertised CNC flat pack is not yet on sale: registering interest is neither an order nor a payment, and the first release is intended for the UK. The free-plan route is therefore the available starting point, not a promise of an immediately purchasable complete cabinet kit. [1]
Verification sources
Related resources
Pi Speakers
diy
DIY loudspeaker resource supplying horn/waveguide speaker kits, cabinet flat packs and components. Its catalogue is paired with whitepapers, crossover documentation and enclosure-analysis resources, with uniform-directivity design providing a recurring technical theme rather than a conventional finished-speaker-only sales model.
Sources
CSS Audio
diy
Creative Sound Solutions is a Michigan-based speaker specialist offering both DIY kits and fully finished loudspeakers. Its Criton and Torii products span bookshelf, tower and center-channel applications, with an engineering approach the company describes in terms of driver testing and acoustic evaluation.
Sources
Humble Homemade Hifi
diy
Humble Homemade Hifi is a Dutch DIY loudspeaker resource offering kits, custom designs, crossover work and cabinet drawings. It combines measurement-and-simulation-led projects with commercial design and assembly services, while restricting its published designs to private DIY use rather than unrestricted commercial reuse.
Sources
Troels Gravesen DIY Loudspeakers
diy
Danish DIY-loudspeaker design site combining construction articles, measured development and kits supplied through Jantzen Audio. Projects are grouped by driver families and range from compact builds to large systems, while the author explicitly limits custom-design advice and reserves newer crossover component values for kit purchasers.
Sources
Visaton
diy
German loudspeaker specialist founded in 1968, with industrial applications and official DIY construction documentation. Its self-build pages provide cabinet drawings, parts lists and assembly guidance, while individual projects explicitly distinguish demanding woodworking builds from beginner-friendly work.
Sources
Cinergy Audio
diy
Cinergy Audio is a DIY loudspeaker supplier offering drivers, crossover components, kits and flat-pack cabinets. Its range includes home-audio, home-theatre and subwoofer projects, alongside hardware and replacement parts for builders who want more than a finished retail speaker.