CI-MM7W In-Wall Woofer Installation Guide
Introduction
This woofer and enclosure were carefully engineered to deliver well-defined bass, while remaining virtually
invisible in a room. The enclosure is designed for installation during new construction or major remodel jobs to
fit between framing studs placed on 16” centers. The enclosure dimensions are 42” high X 14” wide X 3 ½ “
deep. The woofer is a dual voice coil design, so during pre-wire, you will want to run stereo pairs of wire from
your source location to the woofer location.
Selecting the Woofer Location
When selecting a location to install the woofer, it is recommended the woofer be located near the left and right
speakers it will be supporting. That is to say in a traditional room with four walls, it is better to place the
woofer on the same wall or if not on the same wall, as close as possible to the main left and right speakers.
Avoid placing the woofer on an opposite wall from the main speakers whenever possible.
Room placement will affect the output of the woofer. It is recommended that the woofer be placed near the
floor or the ceiling. Avoid placing the woofer in the center of the wall or the center of the room when possible.
Getting Started
Before beginning your installation, it is recommended that you measure the bay (the space between studs) you
intend to install the woofer enclosure. Although 16” centers are the standard for framing construction, you will
likely find many variations. For the simplest installation and best results, select a bay that is clear of any
obstructions like electrical wiring, gas or water pipes. The woofer enclosure is intended to rest on the bottom
plate between vertical studs. The bottom (toe) plate is the 2” X 4” stud lying on the floor, to which the vertical
studs supporting the wallboard are nailed. The height of the actual woofer in the enclosure was selected to
allow the return-air vent used to conceal the woofer and to provide adequate clearance for decorative base
molding up to 6” wide.
Note:
IN custom homes, the base molding may be wider than 6” requiring a cutout
around the air vent. You may wish to raise the woofer enclosure slightly above the bottom plate. Consult the
general contractor if this is a concern.
Step 1
Open each end of the carton and slide the woofer enclosure out of the carton.
Note:
Do NOT pull the woofer
enclosure from the packing carton using the speaker wires as a handle.
Step 2
Place the enclosure between the framing studs.
To avoid vibration between the studs, sheet rock and the
enclosure drive three 2 ½ ” wood screws per side through the studs and into the enclosure 4” down from
the top, center and 4” up from the bottom
. This will retain the woofer in place prior to drywall finishing.
Step 3
Once the woofer is in place you are ready to connect the speaker leads to the amplifier leads. The wire in the
enclosure is 16 Gauge plenum rated UL approved stranded copper wire. You may make connections a number
of ways including butt-connectors, wire nuts, electrical tape and solder. Soldered connections with heat-shrink
insulation, is the recommend way to splice the amplifier and woofer wires. If you need to remove the woofer
from the enclosure, please note the (+) terminals are indicated in red. The blue wires from the crossover are
positive (+).
Note:
Low voltage electrical codes differ by state. Check your local low voltage code before
selecting a method of wire splicing.
