Grand Ballroom at The Westin Chicago Northwest
Grand Ballroom is 24.4 x 36.6 m (80 x 120 ft), 893 m² (9,612 sq ft), with a 5.8 m (19 ft) ceiling.
Open in 3D previzPlan view
LED wall that fits
Under a 5.8 m ceiling with 1.5 m trim and 0.3 m clearance you get 7 rows of 500 mm tile flown. Along the 36.6 m wall a Absen PL2.5 Plus V2 wall runs 58 x 7 (11600 x 1400 px, 3,167 kg, 65 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| Absen KLCOB 0.78 | 0.78 mm | 48 x 11 = 528 | 28.8 x 3.7 m | 36864 x 4752 | 2,376 kg / 5,238 lb | 46.7 kW, 225 A @ 208 V |
| Absen PL2.5 Plus V2 | 2.5 mm | 58 x 7 = 406 | 29 x 3.5 m | 11600 x 1400 | 3,167 kg / 6,982 lb | 65 kW, 312 A @ 208 V |
| Absen PL3.9 Plus V2 | 3.9 mm | 58 x 7 = 406 | 29 x 3.5 m | 7424 x 896 | 3,167 kg / 6,982 lb | 56.8 kW, 273 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 1,797 theater seats, 735 banquet seats at rounds of 10, or 505 classroom seats. Back row in theater is roughly 29.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.
Other rooms at The Westin Chicago Northwest
- Lakeside Pavilion24.4 x 25.6 m (80 x 84 ft) · 15.5 m ceiling
- Abricot Ballroom30.5 x 16.2 m (100 x 53 ft) · 4.6 m ceiling
- Gallery Ballroom19.8 x 19.5 m (65 x 64 ft) · 3.7 m ceiling
- Lakeshore Ballroom27.4 x 13.1 m (90 x 43 ft) · 2.7 m ceiling
- Ballroom III12.2 x 18.3 m (40 x 60 ft) · 5.8 m ceiling
- Ballroom IV12.2 x 18.3 m (40 x 60 ft) · 5.8 m ceiling
- Stanford11.6 x 17.1 m (38 x 56 ft) · 2.7 m ceiling
- Marlborough9.8 x 17.1 m (32 x 56 ft) · 2.7 m ceiling
- Ballroom I12.2 x 12.2 m (40 x 40 ft) · 5.8 m ceiling
- Ballroom II12.2 x 12.2 m (40 x 40 ft) · 5.8 m ceiling
- Barrington9.4 x 11.6 m (31 x 38 ft) · 2.7 m ceiling
- Chambers Room7.9 x 13.1 m (26 x 43 ft) · 11.9 m ceiling
Published dimensions (source), fetched 2026-09-05. All rooms at The Westin Chicago Northwest · Venues in Itasca