- Grand Ballroom EF at The Westin Chicago Lombard
- Grand Ballroom EF is 21.9 x 39.3 m (72 x 129 ft), 861 m² (9,264 sq ft), with a 7 m (23 ft) ceiling.
Open in 3D previzPlan 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 39.3 m wall a Absen PL2.5 Plus V2 wall runs 62 x 10 (12400 x 2000 px, 4,836 kg, 99.2 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| Absen KLCOB 0.78 | 0.78 mm | 52 x 15 = 780 | 31.2 x 5.1 m | 39936 x 6480 | 3,510 kg / 7,738 lb | 69 kW, 332 A @ 208 V |
| Absen PL2.5 Plus V2 | 2.5 mm | 62 x 10 = 620 | 31 x 5 m | 12400 x 2000 | 4,836 kg / 10,661 lb | 99.2 kW, 477 A @ 208 V |
| Absen PL3.9 Plus V2 | 3.9 mm | 62 x 10 = 620 | 31 x 5 m | 7936 x 1280 | 4,836 kg / 10,661 lb | 86.8 kW, 417 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 EF holds about 1,726 theater seats, 706 banquet seats at rounds of 10, or 485 classroom seats. Back row in theater is roughly 32.3 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 Lombard
- Grand Ballroom45.4 x 39.3 m (149 x 129 ft) · 6.1 m ceiling
- - Grand Ballroom ABCDEF, EFGHIJ33.8 x 39.3 m (111 x 129 ft) · 6.1 m ceiling
- - Grand Ballroom ABCDE, FGHIJ22.9 x 39.3 m (75 x 129 ft) · 6.1 m ceiling
- Junior Ballroom20.4 x 38.7 m (67 x 127 ft) · 5.5 m ceiling
- Harry Caray's Private Banquet Space33.8 x 16.8 m (111 x 55 ft) · 4.6 m ceiling
- - Junior Ballroom AB20.4 x 25.9 m (67 x 85 ft) · 5.5 m ceiling
- - Junior Ballroom BC20.4 x 25.6 m (67 x 84 ft) · 5.5 m ceiling
- Lilac27.1 x 17.7 m (89 x 58 ft) · 4 m ceiling
- - Grand Ballroom E, F11.9 x 39.3 m (39 x 129 ft) · 7 m ceiling
- - Grand Ballroom ABCD, GHIJ11.9 x 37.2 m (39 x 122 ft) · 6.1 m ceiling
- - Grand Ballroom BCD, HIJ11.9 x 28 m (39 x 92 ft) · 6.1 m ceiling
- - Grand Ballroom ABC, GHI11.9 x 26.2 m (39 x 86 ft) · 6.1 m ceiling
Published dimensions (source), fetched 2026-09-05. All rooms at The Westin Chicago Lombard · Venues in Chicago