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The Train Rooms (Dividable) at The Blackstone, Marriott Autograph Collection

Published dimensions

The Train Rooms (Dividable) is 20.4 x 11.9 m (67 x 39 ft), 243 m² (2,613 sq ft), with a 2.7 m (9 ft) ceiling.

Plan view

LED wall that fits

Under a 2.7 m ceiling with 1.5 m trim and 0.3 m clearance you get 1 rows of 500 mm tile flown, which is tight; ground-stack or go lower on trim. Along the 20.4 m wall a Absen A2 Pro wall runs 32 x 1 (5376 x 168 px, 320 kg, 5.9 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	27 x 2 = 54	16.2 x 0.7 m	8640 x 360	259 kg / 571 lb	13.7 kW, 66 A @ 208 V
Absen A2 Pro	2.97 mm	32 x 1 = 32	16 x 0.5 m	5376 x 168	320 kg / 705 lb	5.9 kW, 28 A @ 208 V
Absen A3 Pro	3.9 mm	32 x 1 = 32	16 x 0.5 m	4096 x 128	304 kg / 670 lb	5.1 kW, 25 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, The Train Rooms (Dividable) holds about 352 theater seats, 144 banquet seats at rounds of 10, or 99 classroom seats. Back row in theater is roughly 13.4 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at The Blackstone, Marriott Autograph Collection

Ballroom Level 4 Full Floor28.2 x 28.2 m (93 x 93 ft) · 3.1 m ceiling
Art Hall Level 5 Full Floor25.3 x 25.3 m (83 x 83 ft) · 3.1 m ceiling
Crystal Ballroom with Pre-function23.5 x 23.5 m (77 x 77 ft) · 3.1 m ceiling
Concourse Level 1 Full Floor22.1 x 22.1 m (73 x 73 ft) · 3.1 m ceiling
Chicago & Alton/Metra/L with Pre-function19.1 x 19.1 m (63 x 63 ft) · 3.1 m ceiling
Historic Art Hall Pre-function19.1 x 19.1 m (63 x 63 ft) · 3.1 m ceiling
Crystal Ballroom22.6 x 14 m (74 x 46 ft) · 6.4 m ceiling
Chicago & Alton/Metra/L16.3 x 16.3 m (53 x 53 ft) · 3.1 m ceiling
Chicago Alton & L20.4 x 11.9 m (67 x 39 ft) · 2.7 m ceiling
Taste Ballroom with Pre-function15.1 x 15.1 m (50 x 50 ft) · 3.1 m ceiling
Ballroom Pre-Function30.5 x 7 m (100 x 23 ft) · 2.7 m ceiling
Chicago Alton & Metra14.3 x 11.9 m (47 x 39 ft) · 2.7 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at The Blackstone, Marriott Autograph Collection · Venues in Chicago