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Congressional I at Holiday Inn Washington Capitol - National Mall

Published dimensions

Congressional I is 9.1 x 11.6 m (30 x 38 ft), 106 m² (1,137 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 11.6 m wall a Absen A2 Pro wall runs 18 x 3 (3024 x 504 px, 540 kg, 10 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	15 x 5 = 75	9 x 1.7 m	4800 x 900	360 kg / 794 lb	19.1 kW, 92 A @ 208 V
Absen A2 Pro	2.97 mm	18 x 3 = 54	9 x 1.5 m	3024 x 504	540 kg / 1,190 lb	10 kW, 48 A @ 208 V
Absen A3 Pro	3.9 mm	18 x 3 = 54	9 x 1.5 m	2304 x 384	513 kg / 1,131 lb	8.6 kW, 42 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, Congressional I holds about 47 theater seats, 19 banquet seats at rounds of 10, or 13 classroom seats. Back row in theater is roughly 4.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Holiday Inn Washington Capitol - National Mall

Congressional Ballroom19.8 x 17.7 m (65 x 58 ft) · 3.7 m ceiling
Capitol Ballroom12.5 x 22.9 m (41 x 75 ft) · 4.3 m ceiling
Congressional II10.7 x 17.7 m (35 x 58 ft) · 3.7 m ceiling
Capitol I12.5 x 12.8 m (41 x 42 ft) · 4.3 m ceiling
Capitol II12.5 x 10.1 m (41 x 33 ft) · 4.3 m ceiling
House Room7.3 x 11.6 m (24 x 38 ft) · 2.7 m ceiling
Senate Room7.3 x 4.9 m (24 x 16 ft) · 2.4 m ceiling
Caucus Boardroom6.1 x 4.6 m (20 x 15 ft) · 2.4 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Holiday Inn Washington Capitol - National Mall · Venues in Washington