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Arch - Halls 4CDEF at Seattle Convention Center

Published dimensions

Arch - Halls 4CDEF is 108.1 x 108.1 m (355 x 355 ft), 11,686 m² (125,783 sq ft), with a 3.1 m (10 ft) ceiling.

Open in 3D previz

Plan view

108.1 m / 355 ft108.1 m / 355 ft grid 10 m

Shape approximate: the venue publishes area only, so this room is drawn as a square of equal area.

LED wall that fits

Under a 3.1 m ceiling with 1.5 m trim and 0.3 m clearance you get 2 rows of 500 mm tile flown, which is tight; ground-stack or go lower on trim. Along the 108.1 m wall a Absen PL2.5 Plus V2 wall runs 172 x 2 (34400 x 400 px, 2,683 kg, 55 kW).

PanelPitchWall (cols x rows)SizeResolutionWeightPower (max)
Absen KLCOB 0.780.78 mm144 x 3 = 43286.4 x 1 m110592 x 12961,944 kg / 4,286 lb38.2 kW, 184 A @ 208 V
Absen PL2.5 Plus V22.5 mm172 x 2 = 34486 x 1 m34400 x 4002,683 kg / 5,915 lb55 kW, 265 A @ 208 V
Absen PL3.9 Plus V23.9 mm172 x 2 = 34486 x 1 m22016 x 2562,683 kg / 5,915 lb48.2 kW, 232 A @ 208 V

Wall sizing assumes 1.5 m trim to the bottom edge, 0.3 m clearance under the ceiling, and a wall no wider than 80% of the longest wall. Weight and power are tile totals from the panel spec sheet; add processing, rigging, and cable.

Seating estimate

After a 12 x 7 m stage, Arch - Halls 4CDEF holds about 25,781 theater seats, 10,546 banquet seats at rounds of 10, or 7,251 classroom seats. Back row in theater is roughly 101.1 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Seattle Convention Center

Published dimensions (source), fetched 2026-09-04. All rooms at Seattle Convention Center · Venues in Seattle

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