Grand Ballroom at The Westin Chicago River North
Grand Ballroom is 23.2 x 33.8 m (76 x 111 ft), 784 m² (8,441 sq ft), with a 5.2 m (17 ft) ceiling.
Open in 3D previzPlan view
LED wall that fits
Under a 5.2 m ceiling with 1.5 m trim and 0.3 m clearance you get 6 rows of 500 mm tile flown. Along the 33.8 m wall a Absen PL2.5 Plus V2 wall runs 54 x 6 (10800 x 1200 px, 2,527 kg, 51.8 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| Absen KLCOB 0.78 | 0.78 mm | 45 x 10 = 450 | 27 x 3.4 m | 34560 x 4320 | 2,025 kg / 4,464 lb | 39.8 kW, 191 A @ 208 V |
| Absen PL2.5 Plus V2 | 2.5 mm | 54 x 6 = 324 | 27 x 3 m | 10800 x 1200 | 2,527 kg / 5,571 lb | 51.8 kW, 249 A @ 208 V |
| Absen PL3.9 Plus V2 | 3.9 mm | 54 x 6 = 324 | 27 x 3 m | 6912 x 768 | 2,527 kg / 5,571 lb | 45.4 kW, 218 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 1,556 theater seats, 636 banquet seats at rounds of 10, or 437 classroom seats. Back row in theater is roughly 26.8 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 River North
- Riverfront18.3 x 26.5 m (60 x 87 ft) · 3.7 m ceiling
- Grand Ballroom AB23.2 x 20 m (76 x 66 ft) · 5.5 m ceiling
- Grand Ballroom BC23.2 x 20 m (76 x 66 ft) · 5.5 m ceiling
- Grand Court34.1 x 12.5 m (112 x 41 ft) · 3.3 m ceiling
- Promenade Ballroom13.1 x 25.3 m (43 x 83 ft) · 3 m ceiling
- Astor Ballroom14 x 18.9 m (46 x 62 ft) · 3.9 m ceiling
- Grand Ballroom A23.2 x 10.9 m (76 x 36 ft) · 5.5 m ceiling
- Grand Ballroom C23.2 x 10.9 m (76 x 36 ft) · 5.5 m ceiling
- Promenade Ballroom AB13.1 x 16.6 m (43 x 54 ft) · 3.7 m ceiling
- Promenade Ballroom BC13.1 x 16.6 m (43 x 54 ft) · 3.7 m ceiling
- Grand Ballroom B23.2 x 9.1 m (76 x 30 ft) · 5.5 m ceiling
- Executive Boardroom12.2 x 9.8 m (40 x 32 ft) · 2.9 m ceiling
Published dimensions (source), fetched 2026-09-04. All rooms at The Westin Chicago River North · Venues in Chicago