Grand Ballroom at Hyatt Regency O'Hare Chicago
Grand Ballroom is 53.3 x 53.3 m (175 x 175 ft), 2,841 m² (30,579 sq ft), with a 3.1 m (10 ft) ceiling.
Open in 3D previzPlan view
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 53.3 m wall a Absen A2 Pro wall runs 85 x 2 (14280 x 336 px, 1,700 kg, 31.5 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| 9thPanel DW1.9 S Pro | 1.875 mm | 71 x 3 = 213 | 42.6 x 1 m | 22720 x 540 | 1,022 kg / 2,254 lb | 54.1 kW, 260 A @ 208 V |
| Absen A2 Pro | 2.97 mm | 85 x 2 = 170 | 42.5 x 1 m | 14280 x 336 | 1,700 kg / 3,748 lb | 31.5 kW, 151 A @ 208 V |
| Absen A3 Pro | 3.9 mm | 85 x 2 = 170 | 42.5 x 1 m | 10880 x 256 | 1,615 kg / 3,560 lb | 27.2 kW, 131 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 6,126 theater seats, 2,506 banquet seats at rounds of 10, or 1,723 classroom seats. Back row in theater is roughly 46.3 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.
Other rooms at Hyatt Regency O'Hare Chicago
- Rosemont Ballroom37.4 x 37.4 m (123 x 123 ft) · 3.1 m ceiling
- International Level31.9 x 31.9 m (105 x 105 ft) · 3.1 m ceiling
- Conference Center13.5 x 13.5 m (44 x 44 ft) · 3.1 m ceiling
Published dimensions (source), fetched 2026-09-05. All rooms at Hyatt Regency O'Hare Chicago · Venues in Chicago