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Portland Ballroom 253-254 at Oregon Convention Center

Published dimensions

Portland Ballroom 253-254 is 53.6 x 14.6 m (176 x 48 ft), 783 m² (8,424 sq ft), with a 8.5 m (28 ft) ceiling.

Open in 3D previz

Plan view

53.6 m / 176 ft14.6 m / 48 ft grid 5 m

LED wall that fits

Under a 8.5 m ceiling with 1.5 m trim and 0.3 m clearance you get 13 rows of 500 mm tile flown. Along the 53.6 m wall a Absen A2 Pro wall runs 85 x 13 (14280 x 2184 px, 11,050 kg, 204.4 kW).

PanelPitchWall (cols x rows)SizeResolutionWeightPower (max)
9thPanel DW1.9 S Pro1.875 mm71 x 19 = 134942.6 x 6.4 m22720 x 34206,475 kg / 14,275 lb342.6 kW, 1647 A @ 208 V
Absen A2 Pro2.97 mm85 x 13 = 110542.5 x 6.5 m14280 x 218411,050 kg / 24,361 lb204.4 kW, 983 A @ 208 V
Absen A3 Pro3.9 mm85 x 13 = 110542.5 x 6.5 m10880 x 166410,498 kg / 23,143 lb176.8 kW, 850 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, Portland Ballroom 253-254 holds about 1,552 theater seats, 635 banquet seats at rounds of 10, or 436 classroom seats. Back row in theater is roughly 46.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Oregon Convention Center

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