SUGGESTED SPECIFICATIONS:
projection screen(s),
(H) x (W), electrically operated 120 volt (60Hz), not
more than 2.4 amp. Shall have specially designed motor mounted inside the
roller, to be three wire with ground, quick reversal type, oiled for life, with
automatic thermal overload cutout, integral gears, capacitor and an electric
brake to prevent coasting. To have preset but adjustable limit switches to
automatically stop picture surface in the “down” position. The roller to be of
rigid metal. Screen fabric to be flame retardant and mildew resistant fiberglass
with black masking borders standard. Bottom of fabric shall be formed into a
pocket holding a metal rod. The ends of the rod shall be protected by heavy-
duty plastic caps. Case to be of wood with metal-lined wiring compartment. A
section of the bottom of the case shall be a door equipped with hinges so that
it opens and closes automatically with the lowering and raising of the picture
surface. When the picture surface is being lowered, the door shall drop open
by gravity. When the picture surface is being raised, the two ends of the slat in
the bottom pocket of the screen fabric shall engage two hooks on the door to
lift it to the closed position where the door will engage a micro switch that will
cut off the electrical current to the motor. The balance of the bottom of the
case shall be a second hinged door with manual opening to provide access.
Hinges shall be mounted to allow matching of the doors to the ceiling. Case to
be finished with a black primer coat, ready to accept final finish by others. To
be complete with three position control switch with cover plate. Screen to be
listed by Underwriters’ Laboratories.
SPECIFICATION DATA
Video (NTSC 4:3) Format Dimensions (2" Standard Black Drop at Top)
Viewing Area (H x W)
Nominal Diagonal
Overall Length of Case
Approx. Ship. Wt.
In.
Cm
In.
Cm
In.
Cm
Lbs.
Kg
43" x 57"
109 x 145
72"
183
731⁄2"
187
72
32.7
50" x 67"
127 x 170
84"
213
831⁄2"
212
80
36.3
57" x 77"
145 x 196
96"
244
971⁄2"
248
90
40.8
60" x 80"
152 x 203
100"
254
971⁄2"
248
91
41.3
69" x 92"
175 x 234
120"
305
1091⁄2"
278
101
45.8
87" x 116"
221 x 295
150"
381
1331⁄2"
339
136
61.7
105" x 140"
267 x 356
180"
457
1571⁄2"
400
164
74.4
120" x 160"
305 x 406
200"
508
1771⁄2"
441
188
85.3
HDTV (16:9) Format Dimensions (2" Standard Black Drop at Top)
Viewing Area (H x W)
Nominal Diagonal
Overall Length of Case
Approx. Ship. Wt.
In.
Cm
In.
Cm
In.
Cm
Lbs.
Kg
45" x 80"
114 x 203
92"
234
971⁄2"
248
91
41.3
52" x 92"
132 x 234
106"
269
1091⁄2"
278
101
45.8
54" x 96"
137 x 244
110"
279
1131⁄2"
288
112
50.8
58" x 104"
147 x 264
119"
302
1211⁄2"
309
122
55.3
65" x 116"
165 x 295
133"
338
1331⁄2"
339
136
61.7
78" x 139"
198 x 353
159"
404
1571⁄2"
400
155
70.3
90" x 160"
229 x 406
184"
467
1771⁄2"
451
188
85.3
Wide (16:10) Format Dimensions (2" Standard Black Drop at Top)
Viewing Area (H x W)
Nominal Diagonal
Overall Length of Case
Approx. Ship. Wt.
In.
Cm
In.
Cm
In.
Cm
Lbs.
Kg
50" x 80"
127 x 203
94"
239
971⁄2"
248
91
41.3
571⁄2" x 92"
146 x 234
109"
277
1091⁄2"
278
101
45.8
60" x 96"
152 x 244
113"
287
1131⁄2"
288
112
50.8
65" x 104"
165 x 264
123"
312
1211⁄2"
309
122
55.3
69" x 110"
175 x 279
130"
330
1271⁄2"
324
133
60.3
721⁄2" x 116"
184 x 295
137"
348
1331⁄2"
339
136
61.7
87" x 139"
221 x 353
164"
417
1571⁄2"
400
155
70.3
100" x 160"
254 x 406
189"
480
1771⁄2"
451
188
85.3
Square Format Dimensions (Screens With
^
Have 2" Standard Black Drop at Top)
Viewing Area (H x W)
Overall Length of Case
Approx. Ship. Wt.
In.
Cm
In.
Cm
Lbs.
Kg
50" x 50"
127 x 127
631⁄2"
161
64
29.0
60" x 60"
152 x 152
731⁄2"
186
73
33.1
70" x 70"
178 x 178
831⁄2"
211
83
37.7
84" x 84"
213 x 213
971⁄2"
248
95
43.1
6' x 8'
^
183 x 244
1091⁄2"
278
101
45.8
8' x 8'
244 x 244
1091⁄2"
278
105
47.6
7' x 9'
^
213 x 274
1211⁄2"
309
112
50.1
9' x 9'
^
274 x 274
1211⁄2"
309
119
54.0
8' x 10'
^
244 x 305
1331⁄2"
339
134
60.8
10' x 10'
^
305 x 305
1331⁄2"
339
141
64.0
9' x 12'
^
274 x 366
1571⁄2"
400
164
74.4
12' x 12'
366 x 366
1571⁄2"
400
168
76.2
Boardroom Electrol
®
Automatic Electric Projection Screen Model
