Sigur Rós Tours with d&b audiotechnik System

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Sigur Rós toured North America, Europe and Asia in 2012-2013

Icelandic band Sigur Rós completed the last leg of its two-year world tour with Skan PA of Newbury, Berkshire, UK, using the latest addition to the sound reinforcement company's equipment roster: D80 amplifiers from d&b audiotechnik.

“We took a d&b system out for Sigur Rós late last year," says Skan’s system designer for the tour, Tom Tunney, "a short run, maybe three weeks. The system was based on J-Series with some Q-Series for fill. We drove the whole P.A. with D80s. The most immediate thing we noticed was an indirect benefit of the active power correction, when we applied the ‘pull’ on the service with no gain reduction anywhere on the signal path it just sounded clearer.

"The power saving was also significant. With a full arena system of 60 J-TOPs, 16 per side for mains, 14 per side for side-system, with 16 J-SUBs run off D12 we would normally see a draw of around 60A per phase; with the D80 we were seeing around 20A. I’d taken out a full Powerlock mains distro and the truth was I could have run the whole P.A.—a modest arena system, don’t forget—off a 32A three-phase CEE Form distro. And there’s another thing: We saw a big reduction of current down the neutral, where normally we’d see about double any phase reading. This was more like it was balanced to the draw from just one leg.”

Packaging is another significant criteria for Skan. “We always look at space saving," Tunney continues. "At four channels in a 2RU module each D80 basically gains you 4RU of space compared to the four channels of the D12. We have already redesigned our racks to accommodate this benefit. Adding the line gain from losing the d&b SenseDrive return wire to each cabinet means we can now run 16 boxes off two of our Socapex speaker cables.

"Naturally there’s a truck space gain as well, and it’s not as marginal as you might imagine. Sigur took four single racks a side. That wouldn’t have even filled half of one of our large scale touring carts. So, downstream we will be rethinking them as well. It was a challenge to convert all our Socapex feeds to NLT4 in time for the Sigur tour, but it works quite nicely. For the SUBs, it’s very tidy: We just run an NLT8 to a pod of two J-SUBs with a splitter to two NLT4s. It’s a seamless upgrade for us, really—ArrayCalc to R1 to D80, three steps and you’re all set up and ready to go.”

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