Builds

Speaker builds powered by the AC650.

Open-baffle monitors, point-source three-ways, line arrays, the lot. Click any tile to watch the full build on YouTube.

4×8" + 2× mid-tweeter
Build / Open baffle

4×8" + 2× mid-tweeter

Stas builds an open-baffle monitor pair driven entirely by the AC650.

Coaxial 3-way active build
Build / 3-way active point-source

Coaxial 3-way active build

DIYhyfy builds a point-source 3-way active loudspeaker around the AC650.

More

Beyond the build.

Tutorials, podcast appearances, and tuning sessions from the AC650 community.

Tuning speakers with the AC650
Tutorial / Tuning

Tuning speakers with the AC650

Measure, set crossovers, and DSP-tune each driver in real time with the AirDSP App.

Coaxial speaker tuning
Tutorial / Crossover & EQ

Coaxial speaker tuning

DIYhyfy designs crossovers and EQs for a 3-way build, then integrates a sub via the analog out.

Acoustas on Audio DIY Digest
Podcast / Audio DIY Digest

Acoustas on Audio DIY Digest

A long-form conversation about active DSP, FIR filtering, and the AC650 design philosophy.

Stay in the loop

More builds, more often.

Get notified when we add new builds to this page, plus AC650 firmware drops and AirDSP feature releases.