INSTALLATION FOR HIGH OUTPUT IN-WALL BACKBOX & DYNAMO IW-O SUBWOOFER
PARTS INCLUDED:
• 1 – Backbox
• 2 – Pre-Construction Brackets • 1 – Wire Loop with Screw
REQUIRED, NOT INCLUDED:
• 16 – #8 Wood Screws
(8 to attach brackets to box; 8 to attach box to wall)
NOTE: DO NOT PUNCTURE OR REMOVE PROTECTIVE PLASTIC OVER
CUTOUT UNTIL READY TO INSTALL SUBWOOFER.
IMPORTANT NOTE: The required amount of damping material is included and correctly positioned in backbox. DO NOT remove, compact
or add additional damping material. DO NOT add damping material to wall directly behind backbox.
BACKBOX DIMENSIONS
NOTE: Wire loop must be attached
with screw provided.
IMPORTANT! Backbox has been inverted.
DO NOT install in this position, see proper
position in Step 2.
STEP 1
INSTALLING BRACKETS
CAUTION: Mounting brackets are made
of galvanized steel. Edges may be sharp.
180˚
180˚
STEP 2
MARTINLOGAN DOES NOT SUPPLY SCREWS FOR MOUNTING
BACKBOX AND SUBWOOFER TO WALL. CHOOSE SCREWS
APPROPRIATE FOR WALL COMPOSITION AND WEIGHT OF
BACKBOX WITH SUBWOOFER.
DYNAMO IW-O IN-WALL SUBWOOFER: 14 lb/6.3 kg
DYNAMO IW-O BACKBOX: 17.6 lb/8 kg | TOTAL WEIGHT: 31.6 lb/14.3 kg
IF YOU ARE NOT COMFORTABLE PERFORMING THE FOLLOWING
PROCEDURE, CONTACT A PROFESSIONAL INSTALLER.
INSTALLING BACKBOX
To prevent vibrations and resonances from coloring output,
center the box between joists—backbox must not touch joists.
Terminal cup
sits here.
STEP 3