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Dear Valued Customer,
Thank you for purchasing the ECS, Edgeless Series of In-Ceiling
Speakers; one of Earthquake Sound's most valued in-wall speaker lines.
Designed with aesthetics and sound quality in mind, the ECS seamlessly
blends into its surrounding as it provides a lifetime of durability and high-
end performance.
It is very important to read and follow all installation/mounting
instructions and recommendations in this manual thoroughly to ensure
optimal performance and longevity.
The ECS Features
» Frameless design for reduced visibility/low profile/seamless blend
» Long excursion kevlar woofer cones
» 1" (25mm) silk dome NEO swiveling tweeters
» ± 3dB bass and treble controls
» Elaborate crossover networks
» Easy Turn-N-Lock™ installation mechanism
» Gold plated, spring loaded terminals
» Magnetically attached, paintable grilles
WARNING: These products are
capable of generating high
sound pressure levels. You
should exercise caution when
operating these speakers. Long
term exposures to high levels of
sound pressure will cause permanent damage
to your hearing. Sound pressure levels
exceeding 85dB can be dangerous with
constant exposure, set your audio system to a
comfortable loudness level. Earthquake
Sound Corporation does not assume liability
for damages resulting from the direct use of
Earthquake speakers , and urges users to play
volume at moderate levels.
2
Specifications are subject to change without notice
Grille Painting & Placement Considerations
Grille Painting Guidelines
The ECS Edgeless In-Wall Speaker grilles are paintable and can accept
virtually any type of paint. We strongly recommend the following:
1. Remove the grilles from the speakers prior to painting them.
2. Thin the paint prior to application, if needed. Spray and roller paint
applications typically provide the best results. Note that you may
need to apply multiple thin layers of paint to achieve the desired
shade without losing sound quality due to clogging of the grilles.
3. Let the painted grilles fully dry before mounting them back on the
speakers.
Speaker Placement
The ECS Edgeless In-Wall Speakers are designed to be flush mounted
in walls or ceilings. For optimal acoustical performance, simply follow
these guidelines:
1. Place speakers at an equal distance (left/right) from listener.
2. Speakers must be spaced at a 40 - 60° angle from listener (Figure 1).
3. Aim tweeter towards the listener's ear when in listening position.
TREBLE
+3
0
-3
www.earthquakesound.com
BASS
TREBLE
BASS
+3
+3
+3
0
0
0
-3
-3
-3
40 - 60°
Figure 1
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