Rosemont Ballroom Complex at Hyatt Regency O'Hare Chicago
Rosemont Ballroom Complex is 37.4 x 37.4 m (123 x 123 ft), 1,399 m² (15,057 sq ft), with a 5.6 m (18 ft) ceiling.
Open in 3D previzPlan view
Shape approximate: the venue publishes area only, so this room is drawn as a square of equal area.
LED wall that fits
Under a 5.6 m ceiling with 1.5 m trim and 0.3 m clearance you get 7 rows of 500 mm tile flown. Along the 37.4 m wall a Absen PL2.5 Plus V2 wall runs 59 x 7 (11800 x 1400 px, 3,221 kg, 66.1 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| Absen KLCOB 0.78 | 0.78 mm | 49 x 11 = 539 | 29.4 x 3.7 m | 37632 x 4752 | 2,426 kg / 5,347 lb | 47.7 kW, 229 A @ 208 V |
| Absen PL2.5 Plus V2 | 2.5 mm | 59 x 7 = 413 | 29.5 x 3.5 m | 11800 x 1400 | 3,221 kg / 7,102 lb | 66.1 kW, 318 A @ 208 V |
| Absen PL3.9 Plus V2 | 3.9 mm | 59 x 7 = 413 | 29.5 x 3.5 m | 7552 x 896 | 3,221 kg / 7,102 lb | 57.8 kW, 278 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, Rosemont Ballroom Complex holds about 2,921 theater seats, 1,195 banquet seats at rounds of 10, or 821 classroom seats. Back row in theater is roughly 30.4 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
- Grand Ballroom69.2 x 40.8 m (227 x 134 ft) · 7 m ceiling
- Grand ABCD46 x 56.1 m (151 x 184 ft) · 7 m ceiling
- Grand EFGH46 x 56.1 m (151 x 184 ft) · 7 m ceiling
- Grand ABCDE46 x 40.8 m (151 x 134 ft) · 7 m ceiling
- Grand DEFGH46 x 40.8 m (151 x 134 ft) · 7 m ceiling
- International Ballroom40.2 x 25.3 m (132 x 83 ft) · 2.6 m ceiling
- Rosemont Ballroom36.2 x 24.7 m (119 x 81 ft) · 5.6 m ceiling
- Grand ABC40.8 x 18.6 m (134 x 61 ft) · 7.6 m ceiling
- Grand Ballroom FGH40.8 x 18.6 m (134 x 61 ft) · 7 m ceiling
- Grand Ballroom Foyer27.3 x 27.3 m (90 x 90 ft) · 3.1 m ceiling
- Grand Ballroom AB22.7 x 22.7 m (74 x 74 ft) · 7 m ceiling
- Grand Ballroom BC22.7 x 22.7 m (74 x 74 ft) · 7 m ceiling
Published dimensions (source), fetched 2026-09-05. All rooms at Hyatt Regency O'Hare Chicago · Venues in Rosemont