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In this video I explain why the delay locator hardly ever locks on to the impulse response of the subwoofers and if it succeeds, it's unlikely it syncs to the very frequencies we're trying to align our main speakers to.



A video lifting the veil regarding the prevailing question "where to align the main speakers to the subwoofers".



Multipurpose hallCommissioned by Ampco-Flashlight Sales I was asked to optimize and tune the sound system in the small multipurpose hall of the new Atlas theater in Emmen (NL). The sound system was specified by Steven Kemland of Theateradvies comprising:

  • 16 x d&b audiotechnik T10 line array speakers
  • 4 x d&b audiotechnik Y-SUB cardioid subwoofers


Please continue reading for the complete process.

Live Sound International Magazine May 2016This article, featured in Live Sound International magazine, explores the speed of sound and addresses some of the popular misconceptions on the topic.

Special thanks to Bob McCarthy for his help and “increasing the wits by 10 dB.”

LA cardioid deconstructed pt. 1There appears to be a lot of controversy regarding the workings of the L-Acoustics cardioid configuration. It's been suggested that it is achieved by means of all-pass filters. Is it a gradient or end-fire solution? In part 1 of this series of articles I will try to explain what I have come to think of as a hybrid approach.