Definitive Technology Mythos Nine, Loudspeaker User Manual
Unpacking Your Mythos Nine Speakers
Please Inspect For Shipping Damage
Each loudspeaker leaves our plant in perfect condition. Any visible or concealed
damage most likely occurred in handling after it left our plant and should be reported
at once to your Definitive dealer or the delivery company that delivered your
loudspeaker. Please unpack your system carefully. Save all cartons and packing
materials in case you move or need to ship your system. Record the serial number
found on the back of the Mythos Nine in the appropriate place on the product
registration card, answer all questions and send it in.
VERY IMPORTANT: Accessories
Various parts and accessories that you will need to use your Mythos Nine are in the
carton but are easy to overlook. Open both ends of the shipping carton. Carefully
examine the contents of the shipping carton and packing material to find the plastic
bags with accessories.
Specifications
Mythos Nine
Dimensions: 28" long x 5.4" wide x 4.13" deep (711mm l x 137mm w x 105mm d)
(speaker only, not including bracket)
Weight: 13 lbs. (6 kG)
Sensitivity: 90 dB
Frequency Response: 38 Hz – 30 kHz
Nominal Impedance: 8 ohms
Driver Complement: Two each 41⁄2" (11.4cm) BDSS High output drivers pressure coupled to
two 41⁄2" x 8" (11.4cm x 20.3cm) Low Bass Radiators, One 1" (25mm)
ferro-magnetic fluid damped Pure Aluminum dome tweeter.
Specifications subject to change without notice.
Definitive Technology
MYTHOS NINE
OWNER’S MANUAL
Mythos Nine Loudspeakers
Thank You
Thank you for choosing the Definitive Technology Mythos Nine Loudspeaker
System. Our engineers have spent many years in developing this product. In order
to ensure that you experience the finest performance possible, we encourage you
to take a moment to fully read this owner’s manual and familiarize yourself with
the proper installation and set-up procedures for your Mythos Nine speakers.
Definitive Technology
MYTHOS NINE
OWNER’S MANUAL
2. Make sure the location you have selected for wall-mounting
does not conceal behind-wall electrical wiring or plumbing.
3. The supplied cardboard mounting template is double-sided; one
side is for horizontal orientation and the other is for vertical
mounting. Be sure to face the correct side toward you. Hold the
cardboard template (included) in the intended location. Make
sure the speaker clears the ceiling, adjacent walls, corners, beams,
lighting fixtures and door/window frames. Leave at least
1
1
⁄2" (38 mm) above or to the side of the speaker location to
allow the speaker to slide onto the bracket.
4. Make sure the center of the template is
centered with the TV screen’s center points.
5. When mounting the speaker horizontally
use a bubble level to make sure the template
is level. When mounting the speaker
vertically, use a plumb line to find perfect
vertical. If the TV is off-level or off plumb,
the speaker will look better if it is off-level
or plumb in exactly the same way as the TV.
6. Use push pins to secure the template to the wall.
Wall Mounting the Mythos Nine
• We recommend that wall mounting of speakers be performed
by professional installers or by those appropriately skilled in the
use of power tools and the knowledge of building codes and
structural issues.
• We recommend that you determine a suitable location for
your speaker installation, and that you complete all wiring
(especially “hidden” in-wall wiring) before mounting
brackets to your walls.
• Mythos Brackets are not suitable for ceiling mounting.
The Mythos Nine loudspeaker comes with a wall mounting bracket and
template that makes secure mounting a breeze. Follow these directions
for installing the wall mounting bracket.
1. Two
1
⁄4"–20 screws have been factory installed on the back of
the speaker. Gently hand-turn the screws to make sure they are
in as far as they can go. Do not force them beyond the “stop”
point. The screws cannot screw all the way into the speaker and
should protrude as shown in the illustration.
Positioning the Mythos Nine
The Mythos Nine may be used vertically as a L&R main or surround
speaker or oriented horizontally and used as a center channel loudspeaker.
When used as a center speaker the
Mythos Nine may be mounted on the
wall above or below the video screen.
It may be placed on a table or shelf
in front of the TV.
If placed on a shelf under a TV, adjust the
leveling feet (screwed all the way in) to
aim the speaker up towards the listeners.
The Mythos Nine may be placed directly
on top of TVs that have at least 5-inches
(13 cm) of flat surface on top. Do not
place the speaker on top of any surface
that is not large or stable enough to
securely support the speaker. If the
speaker seems at all unstable or “tipsy”
place the speaker somewhere else. The
warranty does not cover damage caused
by falls due to improper positioning of
the speaker. If the speaker is above seated
listener height, extend the leveling foot
to point the speaker downward
(See Using the Leveling Foot on page 3).
When used as L&R main or surround
speaker the Nine must be wallmounted flanking the screen as
illustrated. Allow at least 3 inches
(75 mm) between the edge of the
video screen and the nearest edge of
the speaker. If you need a speaker
that can be shelf-mounted, please
contact your Definitive Technology
retailer. Definitive offers other
models of Mythos Series speakers
that have shelf-mount stands.
2
PILOT HOLE
PILOT HOLE
Even if you intend to place the Mythos Nine on a TV or shelf, you must attach the wall-mount bracket to the speaker. See Using the Leveling Foot on page 3.
3”
(75 mm)
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