Home / Venues / Hyatt Regency O'Hare Chicago / Grand DEFGH

Grand DEFGH at Hyatt Regency O'Hare Chicago

Published dimensions

Grand DEFGH is 46 x 40.8 m (151 x 134 ft), 1,877 m² (20,202 sq ft), with a 7 m (23 ft) ceiling.

Plan view

LED wall that fits

Under a 7 m ceiling with 1.5 m trim and 0.3 m clearance you get 10 rows of 500 mm tile flown. Along the 46 m wall a Absen PL2.5 Plus V2 wall runs 73 x 10 (14600 x 2000 px, 5,694 kg, 116.8 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	61 x 15 = 915	36.6 x 5.1 m	46848 x 6480	4,118 kg / 9,077 lb	81 kW, 389 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	73 x 10 = 730	36.5 x 5 m	14600 x 2000	5,694 kg / 12,553 lb	116.8 kW, 562 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	73 x 10 = 730	36.5 x 5 m	9344 x 1280	5,694 kg / 12,553 lb	102.2 kW, 491 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 DEFGH holds about 3,984 theater seats, 1,629 banquet seats at rounds of 10, or 1,120 classroom seats. Back row in theater is roughly 39 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
Rosemont Ballroom Complex37.4 x 37.4 m (123 x 123 ft) · 5.6 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