E271a at McCormick Place

Published dimensions

E271a is 18.7 x 17.1 m (61 x 56 ft), 320 m² (3,442 sq ft), with a 3.7 m (12 ft) ceiling.

Plan view

LED wall that fits

Under a 3.7 m ceiling with 1.5 m trim and 0.3 m clearance you get 3 rows of 500 mm tile flown, which is tight; ground-stack or go lower on trim. Along the 18.7 m wall a Absen A2 Pro wall runs 29 x 3 (4872 x 504 px, 870 kg, 16.1 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	24 x 5 = 120	14.4 x 1.7 m	7680 x 900	576 kg / 1,270 lb	30.5 kW, 147 A @ 208 V
Absen A2 Pro	2.97 mm	29 x 3 = 87	14.5 x 1.5 m	4872 x 504	870 kg / 1,918 lb	16.1 kW, 77 A @ 208 V
Absen A3 Pro	3.9 mm	29 x 3 = 87	14.5 x 1.5 m	3712 x 384	827 kg / 1,822 lb	13.9 kW, 67 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, E271a holds about 524 theater seats, 214 banquet seats at rounds of 10, or 147 classroom seats. Back row in theater is roughly 11.7 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