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TIP: Meyer Sound’s optional transit covers
will protect M3Ds stacked for transport. They
are easy to use, because one side opens
with Velcro seams, allowing two stagehands
to easily put on the cover without having to
lift it over the top of the block.
We suggest you strap each block, once loaded, with a
cargo strap to prevent rubbing through the covers and
damaging the M3D cabinets or adjacent equipment.
M3D Transport
As a reference, a three-high M3D block weighs
approximately 1245 pounds (564.72 kg), or about the
weight of a large-format mixing console, including its
case, a piano, or a set-cart.
TIP: Attaching the MTG-3D Top Grid to
the uppermost block of the array while
transporting an M3D system can minimize
labor and setup time. Use a wraparound,
open-top cover to protect the four sides of
the cabinets.
If you transport the block with the MTG-3D Top Grid
attached, it should be in the middle of the outer two
blocks to allow the MTG-3D Top Grid to slide over the
other two blocks. This will also keep the MTG-3D Top
Grid away from the wall of the truck. If the block with the
MTG-3D Top Grid is placed against the truck wall, it must
be loaded with the extension side of the MTG-3D Top Grid
facing the inside (as opposed to the wall) of the truck. If
it is oriented toward the wall, the extra space taken will
prevent the third block from tting beside the other two.
Alternatively, the cabinets may be transported in a two-
high module. A stacking row of other equipment may be
lifted on top while in the truck. The approximately 830-
pound (376.48 kg) weight for the two-high module will be
easier to manage in some types of venues.
NOTE: Because fewer M3Ds travel in each
block, more stage space, rigging, and
assembly time will be necessary.
Figure 3. Block of four M3Ds on caster rails with transit cover
removed
BEFORE HANGING AN M3D ARRAY
Consider the following before you start hanging an M3D
array:
CAUTION: We strongly recommend that you
use a professional rigger when hanging any
system.
!
CHOOSING RIGGING POINT CAPACITIES
The MTG-3D Top Grid is designed to allow the suspension
of all approved vertical M3D array congurations. For a list
of approved array congurations and their specications,
refer to “Appendix A — Congurations and Load Ratings.”
The total allowable tilt of the MTG-3D Top Grid with an
array hung under it is ±25˚. The MTG-3D Top Grid allows
10˚ of vertical angle adjustment between the MTG-3D Top
Grid and the rst cabinet, from 0˚ to ±5˚ in one degree
increments. Refer to the section “MTG-3D Top Grid to
First M3D Angle Adjustment” for details.