Rigging - Mackie HD1521 Owner's Manual

Rigging

HD1521s may be individually flown horizontally or
vertically using M10 X 1.5 X 37 mm forged shoulder
eyebolts.
WARNING: Installation should only be done by
an experienced technician. Improper instal-
lation may result in damage to the equip-
ment, injury or death. Make sure that the loudspeaker
is installed in a stable and secure way in order to avoid
any conditions that may be dangerous for persons or
structures.
WARNING: The cabinet is suitable for rigging
via its fly points. NEVER attempt to suspend
the HD1521 by its handles.
1 Fly Points
Flown Horizontally
Rear Fly Points
(adjust angle)

HD151
MP
MP
Two per side
Side Fly Points
Rigging Design Practices
Rigging a loudspeaker requires determining:
1. The rigging methods and hardware that meet static,
shock, dynamic, and any other load requirements for
supporting the loudspeaker from structure.
2. The design factor for and the required WLL (Work-
ing Load Limit) for this support.
Mackie strongly recommends the following rigging
practices:
1. Documentation: Thoroughly document the design
with detailed drawings and parts lists.
2. Analysis: Have a qualified professional, such as a
licensed Professional Engineer, review and approve the
design before its implementation.
3. Installation: Have a qualified professional rigger do
the installation and inspection.
4. Safety: Use adequate safety precautions and back-
up systems.
MP
MP MP
MP
MP
MP
Two on the rear Three each on the top and bottom
Flown Vertically
Top Fly Points
MP=Mounting Point
MP
MP MP
Lower Rear Fly Point
(adjusts angle)