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12
Physical Construction
Upper & Lower
Braces
3
⁄16
" Steel,
ASTM A36
3
⁄8
"-16 Reinforcement
Rods, B7 Alloy Steel
Fluid-Cooled High
Frequency Driver,
4-inch Diaphragm
(2-inch Throat)
Fluid-Cooled Back-
Vented 12-inch Cone
Low-Frequency Driver
3
⁄8
" Plywood
Top & Bottom
3
⁄16
" inch ASTM A36
Steel Support Channel
11 Ga. Steel
Side Braces
Resonance-
Damping Foam
Bracing Fastened With
3
⁄8
"-16 Grade B Steel
Flathead Socket Screws
(32 Total)
Pivoting Lift Ring
1500 lb. Load Capacity,
5:1 Safety Factor
(12 places)
High-Frequency
Horn Section
Flare-Adjusting
Foam Bullet
Low-Frequency
Vent
Low-Frequency
Horn Section
5
⁄8
" Plywood Sides
Dimensions
All units in inches
3.1
26.9
14.0
0.5
30.4
42.5
42.8
32.3
12.5
22.0
C.G.
29.4 Ref
C.G.
12.5
24.2
32.2
7.4
Top Front Side
1.6
(Rigging Typ, both ends)