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Live entertainment

Cardioid subwoofer array

A low-frequency array configured with spacing, delay, and polarity to reduce radiation in selected directions.

Also known as: cardioid sub array, directional sub array

Reviewed

Setup

  • The technique can reduce stage or neighborhood spill, but performance changes with frequency and geometry and requires measurement, correct deployment, and suitable processing.

Venue contexts

  • Theatre, concerts, festivals, broadcast, and corporate events, as applicable

Signal flow

  • Confirm the source, patch, transport, control, and destination for the system involved.

In practice

The technique can reduce stage or neighborhood spill, but performance changes with frequency and geometry and requires measurement, correct deployment, and suitable processing.

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