N427d at McCormick Place

Published dimensions

N427d is 9.9 x 17.9 m (32 x 59 ft), 177 m² (1,907 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 17.9 m wall a Absen PL2.5 Plus V2 wall runs 28 x 7 (5600 x 1400 px, 1,529 kg, 31.4 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	23 x 10 = 230	13.8 x 3.4 m	17664 x 4320	1,035 kg / 2,282 lb	20.4 kW, 98 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	28 x 7 = 196	14 x 3.5 m	5600 x 1400	1,529 kg / 3,370 lb	31.4 kW, 151 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	28 x 7 = 196	14 x 3.5 m	3584 x 896	1,529 kg / 3,370 lb	27.4 kW, 132 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, N427d holds about 207 theater seats, 84 banquet seats at rounds of 10, or 58 classroom seats. Back row in theater is roughly 10.9 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