d&b shines at the Chicago Open Air Music Festival.

The two-day massive stadium festival, Chicago Open Air, drew a crowd of 25,000 to the SeatGeek Stadium in Bridgeview, IL in May 2019. Headlining sets by chart topping acts included System of a Down, Tool, and Ghost, along with many more appearances from today’s biggest hard rock and metal artists. The event was co-produced by Live Nation and Danny Wimmer Presents.

The GSL provides the punch, definition, and clarity required for the sonic assault that is Tool.

d&b Partner Brown Note Productions, Inc. was brought in once again as the audio provider for the festival, this time supplying a substantial SL-Series rig. With just one main stage, Brown Note knew the GSL/KSL combination would be the best application for the venue. “Two of the headliners, Tool and System of a Down, have been d&b end users for many years so we thought the two new systems would be a great solution for them,” stated Ryan Knutson, President of Brown Note.


“The d&b systems are well suited to our needs,” stated Alan “Nobby” Hopkinson, front of house engineer for Tool. “In fact, we continue to carry a large GSL arena system with us. It provides the punch, definition, and clarity required for the sonic assault that is Tool.”

The festival system consisted of 20 x GSL per side for mains with KSL loudspeakers for sides, eight x SL-SUBs per side in the air and 32 on the ground. V-Series point source loudspeakers were tapped for outfills, and three arrays of J-Series for delays. For the monitor system, Brown Note utilized M4 wedges, V-Series for drum fill, and J-Series for sidefills. The entire system was powered by D80 and D20 amplifiers.

“The concert promoters had prior experience with the d&b brand and were very happy with the system,” Knutson concluded.

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