If these guys take multi-channel even a bit serious, they will have a 7.2 set-up.
If very serious, Auro-3D. That is 11 channels + subs. 
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Stereo: Hegel H590, Grimm Audio MU1, Mola Mola Tambaqui, Burmester 948 - V3 & V6 racks, Vivid Audio G2 Giyas, REL Carbon Special (pair), Silent Angel Bonn N8 Ethernet Switch & Forester F1, Wireworld Platinum Eclipse IC and SE SC, Furutech Digiflux
AV: Hegel C-53, Marantz AV8802A, Oppo BDP-203EU, Pioneer Kuro 60", Vivid Audio C1 & V1w's, Wireworld Platinum Eclipse, SE & E
Second system (veranda): Halgorythme preamp and monoblocks, Burmester 061, Avalon Avatar, Sharkwire & Wireworld cables
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