In September 2013, Delta upgraded its concert loudspeaker system in the auditorium of the Royal Albert Hall with an all new installation made up predominantly of EM Acoustics HALO-Compact line array cabinets.

This video is a time-lapse of the 6 days of installation.

Music used: Dance of the Pixies by Jens Kiilstofte (Machinimasound.com)
Licensed under Creative Commons CC-BY 3.0 Unported License