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Instruction Manual

Mounting the IWTS Speakers

NOTE: We always recommend a professional be involved in the

installation of IWTS speakers.

The IWTS speaker can be easily mounted in most any standard wall mate-

rial, from ½ to 1½ inches thick. Its rotating wall clamps (sometimes called

"dog legs") firmly fix it to the wall surface after the proper cutout has been

made. Here are some important precautions to take before mounting:

Keep the sides of the actual mounting hole at least ½ inch away from

beams or studs to ensure that the clamps have adequate room to rotate.

A stud or other obstruction that's too close will stop them from properly

doing their job.

Wall cavity size will affect the bass and midrange performance of any

in-wall speaker. The IWTS-5 LCR is designed to play optimally in a 0.5

to 1.0 cubic foot space (measured before wall insulation is inserted) and

the IWTS-10 LCR in a 0.75 to 1.5 cubic foot space. Cubic dimensions can

be determined by multiplying the length x width x height of the cavity. A

larger cavity won't hurt, but a smaller one will negatively impact the bass

and midrange response of the system.

Some of the sound from the speaker will transmit to the space on the other

side of the wall cavity. If this is a major concern, you can build a box within

the wall that provides the required cubic volume. Please note that there is

very little room behind the drivers in a standard "2 x 4" wall cavity (there's

only 1/4 inch), so the back of any enclosure box must be made from thin

material. Typically then, the back wall material of your enclosure will be

roughly 1/8 to 1/4 inch thick.

For optimum sound install we recommend lining the cavity with fiberglass

or polyfill, observing all the relevant precautions and instructions from the

insulation manufacturer. If you have built a back box, you can use common

fiberglass insulation or open cell foam rubber in the enclosure. Be sure to

push the insulation back from the drivers to ensure that it doesn't get into

the moving cone area.

IWTS-10 LCR In-Wall Enclosure Recommendations

Please use this information to construct an in-wall enclosure if you so

desire. Doing so will generally improve the performance and increase the

power handling of the system.

Be sure to line the cavity with insulation, being careful to avoid letting the

insulation touch the backs of the woofer cones. It's also important to seal the

joints of the enclosure with a high quality non-shrinking caulk.

Be careful to keep the wires from touching the chassis of the drivers or baffle

in such a manner that the wire might vibrate and buzz. You may use nylon

wire ties to keep the wires properly positioned. Such ties are available that

are designed to screw directly to studs making them ideal for this purpose.

As always, take care to wire the speakers properly, with the positive lead

(normally marked with a red terminal or a "+" sign) from the ampli-

fier connected to the positive terminal on the speakers and the negative

(marked with a black terminal or a "-" sign) connected to its respective

terminals.

Proportions illustrated are for 16"

on-center 2" X 4" stud installation.

See table below for proper dimensions.

Toe nail or screw

to hold crossblock

in position until

sealant dries.

Seal edges with

caulking

2 x 4 Construction 1ft

1.25ft

16" O.C.Studs

34"

42.5"

24" O.C. Studs

22"

27.5"

* Minimum cut out height is 15.8". Placing the crossblock at 16" yields

an internal volume of 1.15ft

Ceiling Mounting

It is especially important when mounting the speaker in a ceiling that you

cover the back of the system with a fiberglass window screening (available

at any home center or hardware store) to keep insulation and other foreign

matter out of the assembly. You also should install safety wires from the rear

of the assembly to a secure mounting place, like adjacent beams or the floor

above, for added security. Should you be installing IWTS speakers in a sus-

pended ceiling, it is imperative to install safety wires from the speaker to the

support structure above, to ensure security under all conditions.

Mounting

Mounting Hole

Outline

Speaker Frame

Outline

See table

for proper

dimension

2 x 6 Construction 1ft

16" O.C.Studs

21.7"

24" O.C. Studs

16"*

1.25ft

27"

17.5"