20 September 2025

Ultra *Sonic III | Back from the (g)rave!

Three decades after the originals, Ultrasonic is back for one night only at the Sydenham Underpass.

Three decades after the originals, Ultrasonic is back for one night only at the Sydenham Underpass with an exclusive performance from legendary 1990s techno giant Denver McCarthy aka MECHANISM.

A pioneering figure in New Zealand’s electronic music scene, Denver McCarthy will be performing an exclusive one-off set as MECHANISM in tribute to the techno heads of Ōtautahi and beyond.

To enhance your raving experience at Ultrasonic III there’ll be sound powered by SUBTLE SOUNDSYSTEM, 103 SOUNDSYSTEM and BOOM CANDY SOUNDSYSTEM as well as lighting and visuals provided by ETHERVISION, INNERPHASE LASER SYSTEMS, and ILLUMINATI LIGHTING.

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Three decades after the originals, Ultrasonic is back for one night only at the Sydenham Underpass with an exclusive performance from legendary 1990s techno giant Denver McCarthy aka MECHANISM.

A pioneering figure in New Zealand’s electronic music scene, Denver McCarthy will be performing an exclusive one-off set as MECHANISM in tribute to the techno heads of Ōtautahi and beyond.

To enhance your raving experience at Ultrasonic III there’ll be sound powered by SUBTLE SOUNDSYSTEM, 103 SOUNDSYSTEM and BOOM CANDY SOUNDSYSTEM as well as lighting and visuals provided by ETHERVISION, INNERPHASE LASER SYSTEMS, and ILLUMINATI LIGHTING.

Location
The Sydenham Underpass, 15 Sandyford Street, Sydenham

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