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- Grand Ballroom ABC, GHI at The Westin Chicago Lombard

Published dimensions

- Grand Ballroom ABC, GHI is 11.9 x 26.2 m (39 x 86 ft), 312 m² (3,356 sq ft), with a 6.1 m (20 ft) ceiling.

Open in 3D previz

Plan view

11.9 m / 39 ft26.2 m / 86 ft grid 5 m

LED wall that fits

Under a 6.1 m ceiling with 1.5 m trim and 0.3 m clearance you get 8 rows of 500 mm tile flown. Along the 26.2 m wall a Absen PL2.5 Plus V2 wall runs 41 x 8 (8200 x 1600 px, 2,558 kg, 52.5 kW).

PanelPitchWall (cols x rows)SizeResolutionWeightPower (max)
Absen KLCOB 0.780.78 mm34 x 12 = 40820.4 x 4.1 m26112 x 51841,836 kg / 4,048 lb36.1 kW, 174 A @ 208 V
Absen PL2.5 Plus V22.5 mm41 x 8 = 32820.5 x 4 m8200 x 16002,558 kg / 5,640 lb52.5 kW, 252 A @ 208 V
Absen PL3.9 Plus V23.9 mm41 x 8 = 32820.5 x 4 m5248 x 10242,558 kg / 5,640 lb45.9 kW, 221 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, - Grand Ballroom ABC, GHI holds about 506 theater seats, 207 banquet seats at rounds of 10, or 142 classroom seats. Back row in theater is roughly 19.2 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at The Westin Chicago Lombard

Published dimensions (source), fetched 2026-09-05. All rooms at The Westin Chicago Lombard · Venues in Chicago

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