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Grand Ballroom at Hyatt Regency St. Louis at The Arch - CVENT 2026 Top 250 Meeting Hotel of North America

Published dimensionsLargest room

Grand Ballroom is 54.3 x 33.8 m (178 x 111 ft), 1,835 m² (19,755 sq ft), with a 5.5 m (18 ft) ceiling.

Open in 3D previz

Plan view

54.3 m / 178 ft33.8 m / 111 ft grid 5 m

LED wall that fits

Under a 5.5 m ceiling with 1.5 m trim and 0.3 m clearance you get 7 rows of 500 mm tile flown. Along the 54.3 m wall a Absen PL2.5 Plus V2 wall runs 86 x 7 (17200 x 1400 px, 4,696 kg, 96.3 kW).

PanelPitchWall (cols x rows)SizeResolutionWeightPower (max)
Absen KLCOB 0.780.78 mm72 x 10 = 72043.2 x 3.4 m55296 x 43203,240 kg / 7,143 lb63.7 kW, 306 A @ 208 V
Absen PL2.5 Plus V22.5 mm86 x 7 = 60243 x 3.5 m17200 x 14004,696 kg / 10,352 lb96.3 kW, 463 A @ 208 V
Absen PL3.9 Plus V23.9 mm86 x 7 = 60243 x 3.5 m11008 x 8964,696 kg / 10,352 lb84.3 kW, 405 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 holds about 3,891 theater seats, 1,592 banquet seats at rounds of 10, or 1,094 classroom seats. Back row in theater is roughly 47.3 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Hyatt Regency St. Louis at The Arch - CVENT 2026 Top 250 Meeting Hotel of North America

Published dimensions (source), fetched 2026-09-04. All rooms at Hyatt Regency St. Louis at The Arch - CVENT 2026 Top 250 Meeting Hotel of North America · Venues in St Louis

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