If you need (v8 or v9), you can get a demo or purchase it from Rational Acoustics’ official site.
: These provide detailed visual feedback on audio measurements, such as frequency response, impulse response, and more. Smaart 6.1.0 OS X.dmg
Once the disk image is mounted, you'll see the Smaart installer package. Open it and follow the on-screen instructions to install the software. If you need (v8 or v9), you can
This specific sub-version (6.1.0.0) introduced several refinements over the initial v6 release: If you need (v8 or v9)
If you need help finding legacy installers from official archives, contact directly — they may have old versions for licensed users, but activation will still be the main hurdle.