Prairie Stone Ballroom at Chicago Marriott Northwest
Prairie Stone Ballroom is 41.5 x 16.8 m (136 x 55 ft), 697 m² (7,505 sq ft), with a 4.3 m (14 ft) ceiling.
Open in 3D previzPlan view
LED wall that fits
Under a 4.3 m ceiling with 1.5 m trim and 0.3 m clearance you get 4 rows of 500 mm tile flown. Along the 41.5 m wall a Absen A2 Pro wall runs 66 x 4 (11088 x 672 px, 2,640 kg, 48.8 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| 9thPanel DW1.9 S Pro | 1.875 mm | 55 x 7 = 385 | 33 x 2.4 m | 17600 x 1260 | 1,848 kg / 4,074 lb | 97.8 kW, 470 A @ 208 V |
| Absen A2 Pro | 2.97 mm | 66 x 4 = 264 | 33 x 2 m | 11088 x 672 | 2,640 kg / 5,820 lb | 48.8 kW, 235 A @ 208 V |
| Absen A3 Pro | 3.9 mm | 66 x 4 = 264 | 33 x 2 m | 8448 x 512 | 2,508 kg / 5,529 lb | 42.2 kW, 203 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, Prairie Stone Ballroom holds about 1,362 theater seats, 557 banquet seats at rounds of 10, or 383 classroom seats. Back row in theater is roughly 34.5 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.
Other rooms at Chicago Marriott Northwest
- Hoffman + Schaumburg16.8 x 27.4 m (55 x 90 ft) · 4.3 m ceiling
- Mahja + Barrington + Hoffman16.8 x 27.1 m (55 x 89 ft) · 4.3 m ceiling
- Hoffman13.7 x 16.8 m (45 x 55 ft) · 4.3 m ceiling
- Schaumburg13.7 x 16.8 m (45 x 55 ft) · 4.3 m ceiling
- Great Room Terrace / Pre - Function Event13.4 x 13.4 m (44 x 44 ft) · 7.6 m ceiling
- Compass + Elgin16.8 x 8.8 m (55 x 29 ft) · 3.4 m ceiling
- Mahja + Barrington16.8 x 8.8 m (55 x 29 ft) · 3.4 m ceiling
- M-Club10.7 x 7.3 m (35 x 24 ft) · 3 m ceiling
- Elgin7.3 x 8.8 m (24 x 29 ft) · 3.4 m ceiling
- Barrington6.7 x 8.8 m (22 x 29 ft) · 3.4 m ceiling
- Compass7.3 x 7.9 m (24 x 26 ft) · 3.4 m ceiling
- Mahja6.7 x 7.9 m (22 x 26 ft) · 3.4 m ceiling
Published dimensions (source), fetched 2026-09-04. All rooms at Chicago Marriott Northwest · Venues in Chicago