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Grand Ballroom ABC at Sheraton Grand Seattle

Published dimensions

Grand Ballroom ABC is 42.7 x 30.5 m (140 x 100 ft), 1,302 m² (14,019 sq ft), with a 6.4 m (21 ft) ceiling.

Plan view

LED wall that fits

Under a 6.4 m ceiling with 1.5 m trim and 0.3 m clearance you get 9 rows of 500 mm tile flown. Along the 42.7 m wall a Absen PL2.5 Plus V2 wall runs 68 x 9 (13600 x 1800 px, 4,774 kg, 97.9 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	56 x 13 = 728	33.6 x 4.4 m	43008 x 5616	3,276 kg / 7,222 lb	64.4 kW, 310 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	68 x 9 = 612	34 x 4.5 m	13600 x 1800	4,774 kg / 10,524 lb	97.9 kW, 471 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	68 x 9 = 612	34 x 4.5 m	8704 x 1152	4,774 kg / 10,524 lb	85.7 kW, 412 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, Grand Ballroom ABC holds about 2,707 theater seats, 1,107 banquet seats at rounds of 10, or 761 classroom seats. Back row in theater is roughly 35.7 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Sheraton Grand Seattle

Grand Ballroom55.8 x 30.5 m (183 x 100 ft) · 6.4 m ceiling
Grand Ballroom BCD38.7 x 30.5 m (127 x 100 ft) · 6.4 m ceiling
Grand Ballroom PFA30.5 x 31.1 m (100 x 102 ft) · 3.7 m ceiling
Grand Ballroom CD30.2 x 30.5 m (99 x 100 ft) · 6.4 m ceiling
Grand Ballroom BC29.9 x 30.5 m (98 x 100 ft) · 6.4 m ceiling
Metropolitan Ballroom24.4 x 36 m (80 x 118 ft) · 4.8 m ceiling
Grand Ballroom AB25.6 x 30.5 m (84 x 100 ft) · 6.4 m ceiling
Metropolitan Ballroom PFA30.5 x 21.6 m (100 x 71 ft) · 3.7 m ceiling
Grand Ballroom C17.1 x 30.5 m (56 x 100 ft) · 6.4 m ceiling
Metropolitan Ballroom A18 x 24.4 m (59 x 80 ft) · 4.8 m ceiling
Metropolitan Ballroom B18 x 24.4 m (59 x 80 ft) · 4.8 m ceiling
Grand Ballroom D13.1 x 30.5 m (43 x 100 ft) · 6.4 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at Sheraton Grand Seattle · Venues in Seattle