Grand Ballroom at Hyatt Regency St. Louis at The Arch - CVENT 2026 Top 250 Meeting Hotel of North America
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 previzPlan view
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 A2 Pro wall runs 86 x 7 (14448 x 1176 px, 6,020 kg, 111.4 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| 9thPanel DW1.9 S Pro | 1.875 mm | 72 x 10 = 720 | 43.2 x 3.4 m | 23040 x 1800 | 3,456 kg / 7,619 lb | 182.9 kW, 879 A @ 208 V |
| Absen A2 Pro | 2.97 mm | 86 x 7 = 602 | 43 x 3.5 m | 14448 x 1176 | 6,020 kg / 13,272 lb | 111.4 kW, 535 A @ 208 V |
| Absen A3 Pro | 3.9 mm | 86 x 7 = 602 | 43 x 3.5 m | 11008 x 896 | 5,719 kg / 12,608 lb | 96.3 kW, 463 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
- Regency Ballroom61 x 25.6 m (200 x 84 ft) · 4.9 m ceiling
- Grand ABCDE or DEFGH41.5 x 33.8 m (136 x 111 ft) · 5.5 m ceiling
- Grand Foyer36.8 x 36.8 m (121 x 121 ft) · 3.7 m ceiling
- Regency ABCD or CDEF45.7 x 25.6 m (150 x 84 ft) · 4.9 m ceiling
- GRAND DE28.7 x 33.8 m (94 x 111 ft) · 5.5 m ceiling
- Grand ABCD or EFGH27.1 x 33.8 m (89 x 111 ft) · 5.5 m ceiling
- 18th Floor28.7 x 28.7 m (94 x 94 ft) · 3.1 m ceiling
- Regency Foyer28.5 x 28.5 m (94 x 94 ft) · 3.1 m ceiling
- Regency ABC or DEF or CD30.5 x 25.6 m (100 x 84 ft) · 4.9 m ceiling
- Gateway East & Terrace22.1 x 22.1 m (73 x 73 ft) · 3.1 m ceiling
- Grand D or E14.3 x 33.8 m (47 x 111 ft) · 5.5 m ceiling
- Grand ABC or FGH12.8 x 33.8 m (42 x 111 ft) · 5.5 m ceiling
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