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Junior Ballroom 300C at Spokane Convention Center

Published dimensions

Junior Ballroom 300C is 12.8 x 14.6 m (42 x 48 ft), 187 m² (2,012 sq ft), with a 6.1 m (20 ft) ceiling.

Plan view

LED wall that fits

Under a 6.1 m ceiling with 1.5 m trim and 0.3 m clearance you get 8 rows of 500 mm tile flown. Along the 14.6 m wall a Absen PL2.5 Plus V2 wall runs 23 x 8 (4600 x 1600 px, 1,435 kg, 29.4 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	19 x 12 = 228	11.4 x 4.1 m	14592 x 5184	1,026 kg / 2,262 lb	20.2 kW, 97 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	23 x 8 = 184	11.5 x 4 m	4600 x 1600	1,435 kg / 3,164 lb	29.4 kW, 142 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	23 x 8 = 184	11.5 x 4 m	2944 x 1024	1,435 kg / 3,164 lb	25.8 kW, 124 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, Junior Ballroom 300C holds about 228 theater seats, 93 banquet seats at rounds of 10, or 64 classroom seats. Back row in theater is roughly 7.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Spokane Convention Center

Exhibit Hall A-D105.6 x 105.6 m (346 x 346 ft) · 9.1 m ceiling
Exhibit Hall A49.4 x 64 m (162 x 210 ft) · 9.1 m ceiling
Exhibit Hall C64.6 x 42.7 m (212 x 140 ft) · 9.1 m ceiling
Ballroom 100ABC48.5 x 48.5 m (159 x 159 ft) · 3.7 m ceiling
Exhibit Hall B36.6 x 54.9 m (120 x 180 ft) · 9.1 m ceiling
Exhibit Hall D (Riverside Lobby)33.5 x 40.2 m (110 x 132 ft) · 9.1 m ceiling
Junior Ballroom 111ABC35.3 x 35.3 m (116 x 116 ft) · 5.2 m ceiling
Junior Ballroom 300ABCD23.8 x 45.7 m (78 x 150 ft) · 6.1 m ceiling
Exhibit Hall B124.4 x 35.4 m (80 x 116 ft) · 9.1 m ceiling
Exhibit Hall B224.4 x 35.4 m (80 x 116 ft) · 9.1 m ceiling
Ballroom 100B21.6 x 39 m (71 x 128 ft) · 3.7 m ceiling
Ballroom 100A22.9 x 34.7 m (75 x 114 ft) · 3.7 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at Spokane Convention Center · Venues in Spokane