N427 at McCormick Place

Published dimensions

N427 is 39.3 x 17.9 m (129 x 59 ft), 704 m² (7,572 sq ft), with a 5.3 m (18 ft) ceiling.

Plan view

LED wall that fits

Under a 5.3 m ceiling with 1.5 m trim and 0.3 m clearance you get 7 rows of 500 mm tile flown. Along the 39.3 m wall a Absen A2 Pro wall runs 62 x 7 (10416 x 1176 px, 4,340 kg, 80.3 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	52 x 10 = 520	31.2 x 3.4 m	16640 x 1800	2,496 kg / 5,503 lb	132.1 kW, 635 A @ 208 V
Absen A2 Pro	2.97 mm	62 x 7 = 434	31 x 3.5 m	10416 x 1176	4,340 kg / 9,568 lb	80.3 kW, 386 A @ 208 V
Absen A3 Pro	3.9 mm	62 x 7 = 434	31 x 3.5 m	7936 x 896	4,123 kg / 9,090 lb	69.4 kW, 334 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, N427 holds about 1,376 theater seats, 563 banquet seats at rounds of 10, or 387 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 McCormick Place

W375/Skyline146.6 x 63.6 m (481 x 209 ft) · 3.1 m ceiling
S100/Grand45.4 x 71.9 m (149 x 236 ft) · 7 m ceiling
E354/Lakeside91.3 x 33.2 m (300 x 109 ft) · 14.6 m ceiling
W375e42.2 x 60.1 m (138 x 197 ft) · 3.1 m ceiling
E354a54.1 x 45.7 m (177 x 150 ft) · 14.6 m ceiling
E354b54.1 x 45.7 m (177 x 150 ft) · 14.6 m ceiling
S406/Vista45.4 x 47.3 m (149 x 155 ft) · 10.6 m ceiling
W375c27.4 x 63.6 m (90 x 209 ft) · 12.1 m ceiling
W375d27.4 x 63.6 m (90 x 209 ft) · 12.1 m ceiling
W375b27.3 x 63.6 m (90 x 209 ft) · 3.1 m ceiling
S100bc45.5 x 36 m (149 x 118 ft) · 7 m ceiling
S100a45.1 x 35.9 m (148 x 118 ft) · 7 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at McCormick Place · Venues in Chicago