Rack Panel - 4 Space Unpunched Whirlwind offers rack panels in EIA 19" standard sizes from 1.75" to 10.5" high. These panels are available blank or prepunched with 10, 12, 24, or 36 holes for Whirlwind WC Series XLR, 1/4" connectors, or Neutrik D Series and a two-rack space panel is manufactured with 2, 4, or 6 Speakon or EP connector holes. Panels are made of .090" thick 5052 aluminum with bent flanges for rigidity and have a brushed black anodized finish. Hinged panels are flat, made of .125" thick 5052 aluminum and have a brushed black anodized finish. Panels can also be custom engraved. UNPUNCHEDModel / Height / Rack Space / HolesR-1 / 1.75" / 1 / BlankR-2 / 3.50" / 2 / BlankR-3 / 5.25" / 3 / BlankR-4 / 7.00" / 4 / BlankR-5 / 8.75" / 5 / BlankR-6 / 10.50" / 6 / Blank PUNCHED XLR - 12 holes per row except PR-1Model / Height / Rack Space / HolesPR-1 / 1.75" / 1 / 10PR-2 / 3.50" / 2 / 12PR-3 / 5.25" / 3 / 24PR-4 / 7.00" / 4 / 36 PUNCHED Neutrik D Series - 12 holes per row except PR-1NDModel / Height / Rack Space / HolesPR-1ND / 1.75" / 1 / 10PR-2ND / 3.50" / 2 / 12PR-3ND / 5.25" / 3 / 24PR-4ND / 7.00" / 4 / 36 PUNCHED EP/NLModel / Height / Rack Space / HolesREP-2 / 3.50" / 2 / 2REP-4 / 3.50" / 2 / 4REP-6 / 3.50" / 2 / 6
