Sound Advance ST2416S User manual

Introduction
The ST2416S is a one-way, full-range loudspeaker
featuring an enclosed 70.7V / 100V transformer with
0.5W, 1W, 2W, 4W, 8W, and 16W taps and an 8-ohm
bypass, selectable via a rotary switch.
Models
The ST2416S SpeakerTile®is available in six different
acoustically-identical models that offer a selection of
standard three-dimensional patterns or factory-applied
surface finishes that match most common suspended
ceiling tile patterns. The front surface of the
SpeakerTile can optionally be finished on-site with any
water-soluble finish — such as latex paint — or covered
with light wallpaper, fabrics and selected texture
coats*, further enhancing its ability to blend invisibly
with almost any interior design choice.
[*Please contact Sound Advance before applying any
textured coating, light wallpaper or fabrics]
The following additional suffix notations define specific
three-dimensional patterns:
ST2416S Plain white (no pattern)
ST2416S-3D1 Fine Fissured®(or similar) tile pattern
ST2416S-3D2 Cortega®(or similar) tile pattern
ST2416S-3D4 Fissured®(or similar) tile pattern
ST2416S-3D7 Optima®/Ultima®(or similar) tile pattern
ST2416S-3D21 Cirrus®(or similar) tile pattern
This instruction manual applies to all of the above
models.
Applications
The ST2416S can be installed-into 9/16” and 15 /16”
T-bar suspended ceiling systems in new or existing
construction. The supplied hardware allows either flush
or tegular mounting.
Recommended Mounting Locations
The ST2416S provides outstanding performance and
economic advantages when installed in the following
types of environments:
• With an ambient noise level at or below 75dBA,
• Where the speakers can be placed between 8 and 18
feet above the floor, and
• That are large enough to accommodate at least 4 or
more conventional loudspeakers.
When system design requirements indicate speaker-to-
speaker distances of greater than 40 ft, please contact
Sound Advance for additional technical information.
Recommended Environments
Indoor or weather-protected outdoor
IMPORTANT NOTE: The ST2416S Series SpeakerTile is
designed to be easily installed in standard suspended
ceiling systems, completely replacing a standard 2’ x 2’
ceiling tile. It is suitable for 9/16” and 15/16” ceiling
grids, flush (lay-in) or non-flush (tegular) mounting.
However, if the loudspeaker is to be installed on a
tegular (non-flush) mounting 15
/16” ceiling grid, the
front surface of the diaphragm must be factory-routed
in order to drop below the ceiling grid.
In such cases Sound Advance will make every effort to
match the SpeakerTile tegular routing to the
customer’s ceiling tiles; however, our standard tegular
routing is a 90-degree angle cut. We cannot match
tegular tiles with beveled, chamfered or angled cuts.
Box Contents
Each ST2416S speaker box includes the following:
• (2) ST2416S Speakers
• (12) Flush-mount retention clips
• (12) Tegular-mount retention clips
Dimensions
Unless otherwise specified all dimensions are in inches [mm].
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INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES
23.74 [603]
23.74 [603]
4.34 [110]
3.96 [101]
Figure 1: ST2416S Dimensions

2
INSTALLATION
IMPORTANT: Sound Advance loudspeakers utilize a flat
polystyrene material as the sound radiating surface.
Although it is resistant to mechanical damage and is
unaffected by environmental extremes, care should be
observed during handling, to avoid punctures or other
damage. Do not remove the protective cardboard cover
from the loudspeaker until it has been fully positioned
into the ceiling to avoid damage to the front surface
during mounting.
Unpacking and Inspection
Carefully open the shipping carton and remove all con-
tents. Inspect the SpeakerTile and accessories for dam-
age. Report damage or shortages to Sound Advance.
Installation Preparation
Determine the
type of ceiling
grid system
(15
/16” or 9/16”)
and mounting
application
(flush or tegular).
See
Figure 3 .
Make sure there
is enough clear-
ance behind the
surface where
the loudspeaker
is to be
installed. (The
speaker is 4.34”
[110mm] deep
not including clearance for the wiring conduit or con-
necting cable.)
Keep in mind that during installation the loudspeaker
needs to be inserted obliquely through the opening and
then rotated into position.
Wiring the Loudspeaker
WIRING/CONDUIT NOTES:
Most commercial ceiling installations permit the use of Class
2 wire for wiring loudspeakers. Installation of a loudspeaker
in a plenum ceiling may require CL2P wire, and when wire is
routed through vertical air handling ducts or passes from floor
to floor it may require CL2R wire. As well, to maintain
compliance with plenum installations, it may be required to
use metallic electrical connectors and metallic conduit or
tubing. Always consult the Authorities Having Jurisdiction
(AHJ) over the installation, and refer to the National Electrical
Code (NEC) – NFPA 70 for determining acceptable wiring and
termination methods.
If not previously done, run speaker wires or flexible
conduit into the selected mounting location. Make sure
wiring methods, clamping, interconnection, sealing and
termination procedures comply with NEC and the
appropriate local electrical and building codes.
1. The ST2416S is shipped with the transformer tap in
the 0.5W – 70.7V position. Reset the power tap by
placing the rotary switch in the desired setting. See
Figure 4 .
INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES
Figure 2A: Supplied Items Required For Installation
Figure 2B: Comparison of Flush-Mount and Tegular-Mount
Retaining Clips
Figure 3:
Compatible Ceiling Tile Grid Types
Transformer
Switch
Figure 4: Setting the Transformer Tap

2. Remove protective metal cover and unplug the
removable input connector (see
Figure 5 ).
3. Route the speaker wires through the strain relief
fitting on the protective cover but don’t engage the
strain relief fitting.
4. The removable input
connector’s terminals are
marked on the connector
and on the label located
on the protective cover.
(see
Figure 6 ).
When connecting multiple
speakers you can connect
them either in
Parallel or
in the
Loop-Thru method
as shown below. Select
the method that best suits your installation
requirements:
Parallel Connection
In this configuration all speakers are connected via
pins 2 & 3, allowing all subsequent speakers to remain
connected to the amplifier if you to remove a loud-
speaker from the line by detaching its connector from
the loudspeaker (see
Figure 7 ).
Loop-Through Connection
In this configuration subsequent speakers are connected
to pins 1 & 4 of the previous speaker. Unplugging a
speaker’s connector from the speaker will disconnect
all subsequent speakers from the amplifier (see
Figure 8 ).
5. Strip approximately 3/16” of insulation from the
speaker wires and insert the bare wires into the
correct openings on the top of the removable input
connector (see
Figure 6 ).
6. Using a small flat-
head screwdriver,
secure the wires
to the removable
input connector
by tightening the
hold-down screws
(see
Figure 9 ).
7. Plug the removable
input connector
back into the connector socket and lock it. Insert the
connector until it locks-into place (the connector
can only be inserted in one direction).
8. Reinstall the protective metal cover on the loud-
speaker and tighten it firmly to avoid vibration.
9. Secure the wire or conduit in the strain relief fitting
on the protective cover (see
Figure 10 ):
a) Loosen the
vertical
screws that
secure the
fitting to
the cover
and loosen
the horizon-
tal screws
holding the
fitting’s
sliding
pieces.
b) Secure the fitting’s sliding pieces to the wire by
tightening the horizontal screws.
Note: If the installation uses wire conduit, secure the
conduit to the fitting.
c) Secure the fitting to the protective cover by
tightening the vertical screws.
Note: Take care not to cut the wire insulation or otherwise
damage the wiring when tightening the screws.
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INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES
2. Remove
Cover
1. Remove
Screws
3. Remove
Connector
Figure 5: Remove the Cover and Input Connector
1 2 3 4
+
IN
+
THRU
–
IN
–
THRU
Figure 6:
Input Connector
Terminals
1 2 3 4 1 2 3 4 1 2 3 4
From
Power
Amplifier
To
Next
Speaker
SPEAKER #1 SPEAKER #2 SPEAKER #3
From
Power
Amplifier To
Next
Speaker
1 2 3 4 1 2 3 4 1 2 3 4
SPEAKER #1 SPEAKER #2 SPEAKER #3
Figure 7: Parallel Connection of Multiple Speakers
Figure 8: Loop-Thru Connection of Multiple Speakers
Figure 9: Securing the Wires
V
ertical
Screws
Horizontal
Screws
Figure 10:
Strain Relief Fitting

NOTES ON STRAIN RELIEF:
IF THE INSTALLATION USES PLENUM CABLE OR BARE WIRE,
simply tightening the two horizontal screws on the sliding
strain-relief fitting on the cover provides adequate strain
relief force.
IF THE INSTALLATION USES FLEXIBLE CONDUIT, slide the
wiring through the strain relief fitting on the cover and insert
the conduit into the fitting (see Figure 11). Tighten the two
horizontal screws that clamp the fitting together to secure
the conduit to the cover.
IF AN ALTERNATIVE FITTING IS REQUIRED TO MEET SPECIFIC
CODE REQUIREMENTS, the supplied strain relief fitting can be
replaced with a variety of “off-the-shelf” fittings by removing
the two vertical screws that secure the fitting to the
protective cover, and then installing the alternate fitting
directly onto the 7/8” (22mm) knockout hole in the cover.
Installing the SpeakerTile — General Notes
• If installing a ST2416S-3D4 (Fissured Directional
Pattern), make sure the loudspeaker pattern is
properly aligned with the surrounding ceiling tiles.
• To avoid noise or damage to the system when in oper-
ation after installation, be sure speaker wires or other
objects will not be in contact with the back of the
SpeakerTile surface.
15
/16 ” Ceiling Grid — Flush-Mount Installation
1. Hold the SpeakerTile with the front surface facing
down and insert it obliquely up through the ceiling
grid until it passes entirely through. Remove the
protective cardboard cover (see
Figure 12 ).
2. Maneuver the
SpeakerTile until it
is centered on the
ceiling grid. The
SpeakerTile will
rest flush against
the 15
/16” suspended
ceiling grid by the
diaphragm edge
(see
Figure 13 ).
3. Insert six of the
supplied Flush-
Mount Retention
Clips on the
suspended ceiling
grid as shown in
Figure 14 , in the
locations specified
in
Figure 15 .
The retention clips
will secure the
SpeakerTile and
prevent movement
and vibration with-
in the ceiling grid.
9
/
16
” Ceiling Grid — Tegular Mount Installation
1. Hold the SpeakerTile with the front surface facing
down and insert it obliquely up through the ceiling
grid until it passes entirely through. Remove the
protective cardboard (see
Figure 12 ).
2. Maneuver the SpeakerTile until it is centered on the
ceiling grid. The
horizontal step at
the edges of the
loudspeaker shall
rest against the
9/16” suspended
ceiling grid (
Figure
16
), while the
front surface of
the SpeakerTile
will lay below the
ceiling grid, in a
“tegular” or
dropped fashion.
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INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES
Insert Speaker
Through Opening
Figure 11: Securing Conduit to the Strain Relief Fitting
Figure 12: Inserting the Speaker Into the Ceiling Grid
ST2146S
SpeakerTile
15
/
16
”
Flush
Ceiling Tile
15
/
16
” Ceiling Grid
Figure 13:
15
/
16” Flush-Mount Installation
Flush-Mount
Retaining Clip
ST2146S
SpeakerTile
15
/
16
”
Ceiling Grid
Figure 14:
Installing the Retaining Clips
Landing Pads
on Speaker
Figure 15: Positioning the Retaining Clips
ST2146S
SpeakerTile
9
/
16
”
Tegular
Ceiling Tile
9
/
16
” Ceiling Grid
Figure 16:
9
/
16” Tegular Mount Installation

3. Insert six of the
supplied Tegular-
Mount Retention
Clips on the sus-
pended ceiling grid
as shown in
Figure
17
, in the loca-
tions specified in
Figure 15 . The
retention clips will
secure the
SpeakerTile and
prevent movement
and vibration with-
in the ceiling grid.
15
/
16
” Ceiling Grid — Tegular Mount Installation
NOTE: This mounting method requires the diaphragm edges to
be factory-routed in order to drop below the ceiling grid. If the
edges of the supplied SpeakerTile have not been routed, this
installation method cannot be used.
1. Hold the SpeakerTile with the front surface facing
down and insert it obliquely up through the ceiling
grid until it passes entirely through. Remove protec-
tive cardboard (see
Figure 12 ).
2. Maneuver the
SpeakerTile until
it is aligned and
centered on the
ceiling grid. The
factory-routed
step at the edges
of the loudspeaker
shall rest against
the 15
/16” suspended
ceiling grid (see
Figure 18 ), while
the front surface
of the SpeakerTile
will lay below the ceiling grid, in a “tegular” or
dropped fashion.
3. Insert six of the
supplied Tegular
Retention Clips on
the suspended
ceiling grid as
shown in
Figure 19 ,
in the locations
specified in
Figure 15 . The
retention clips will
hold down the
SpeakerTile and
prevent further
movement and
vibration within the ceiling grid.
Appendix A: Amplifier Selection
When choosing the proper amplifier for an installation
the maximum number of speakers and the output level
of each speaker must be known. The sum of all the
speakers’ tap settings should never exceed 80% of the
amplifier’s rated output. For example, if there are 5
speakers and the taps are set at 15 watts, the load
would be 75 watts (5 x 15 watts = 75 watts). To arrive
at the needed power for this number of speakers,
simply divide the total load by .8. In this case, 75 / .8 =
93.75 watts. Therefore, a standard 100-watt amp
would safely drive this load. To calculate the amount of
usable power an amp offers, simply multiply the rated
output by .8, i.e., 100 watts x .8 = 80 watts.
Appendix B: Wire Gauge (70/100-Volt System)
The most common wire used on commercial 70 volt
systems is 18-gauge, 2-conductor, stranded and jack-
eted, without a shield. The wire starts at the amplifier
location and is paralleled at each speaker location.
Wire length using 18 gauge is appropriate up to 700
feet with a 100-watt load. If you double the load (sum
of your tap settings), you will reduce the the acceptable
wire length by half, to 350 feet. Conversely, if you halve
the load, you may double the acceptable wire length,
i.e., a 50-watt load is safe over 1400 feet of 18 gauge.
Stepping up to 16 gauge wire extends the allowable run
length by approximately 35%. For example, a 100-watt
load can go 700 feet on 18 gauge; the same load may
be placed on 1100 feet of 16 gauge.
Appendix C: Wire Gauge (8-ohm System)
When using the ST2416S in an 8 ohm system the total
wire resistance should be less than 10% of the speaker
impedance. The ST2416S nominal impedance is
8 ohms, so the total wire resistance should be no more
than 0.8 ohms. In simple terms, the extra resistance
from the wire will have a very negative effect on the
sound quality of the speaker. The sound will be less
dynamic, definition of bass frequencies will be reduced,
and in extreme cases, the high frequencies can be
attenuated. Amplifier power is also wasted in the
wire, reducing the system’s maximum output level.
Please refer to the following table when deciding on the
appropriate wire gauge for your installation.
5
INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES
ST2146S
SpeakerTile
9
/
16
”
Ceiling Grid
Tegular-Mount
Retaining Clip
Figure 17:
Installing the Retaining Clips
ST2146S
SpeakerTile
(Factory-Routed)
15
/
16
”
Tegular
Ceiling Tile
15
/
16
” Ceiling Grid
Figure 18:
15
/
16” Tegular-Mount Installation
ST2146S
SpeakerTile
(Factory-Routed)
15
/
16
”
Ceiling Grid
Tegular-Mount
Retaining Clip
Figure 19:
Installing the Retaining Clips
Wire resistance in Ohms vs. length of cable run
Distance in Feet 50' 100' 150' 200' 250' 300'
1.04
.65
.41
.26
.16
.10
18 gauge
16 gauge
14 gauge
12 gauge
10 gauge
20 gauge 2.07
1.30
.82
.52
.32
.20
3.11
1.96
1.22
.77
.49
.31
4.14
2.61
1.63
1.03
.65
.41
5.18
3.26
2.04
1.29
.81
.51
6.22
3.91
2.45
1.55
.97
.61
Figure 20: Wire Resistance Table

Technical Assistance and Service
The Technical Assistance Department at Sound
Advance is available at [phone] or (949) 492-
5449 to answer any questions concerning the operation
and installation of your speakers between the hours of
7:00 AM and 5:00 PM Pacific time, Monday through
Friday, except holidays.
In the event your unit should need repair or service, you
may return the unit to your authorized dealer or use the
following guidelines:
1. Be prepared to state the model number and / or ser-
ial number, date of purchase and dealer's name and
address when calling.
2. Contact Sound Advance directly at [phone]
or [phone] or at www.soundadvance.com
3. If you are returning the product directly to Sound
Advance, call us to obtain a return authorization
number before shipping.
YOU MUST HAVE PRIOR AUTHORIZATION TO
RETURN YOUR UNIT.
4. The original packaging must be used. If the original
packaging is unavailable, replacements can be
obtained from Sound Advance for a small fee.
5. Ship the product via United Parcel Service, Federal
Express, or other package delivery service. Please do
not use the U.S.Postal Service.
6. Write the return authorization number on the outside
of the box.
7. Ship to:
Attn: Quality Assurance Department
Sound Advance
212 Avenida Fabricante
San Clemente, CA 92672
8. FREIGHT COLLECT SHIPMENTS WILL BE REFUSED!
Limited Warranty:
Sound Advance warrants this product to the original purchaser
to be free from defects in material and workmanship,
under normal use and conditions, for a period of five
(5) years from the date of original purchase as shown
on the invoice.
The foregoing exclusive warranty gives you specific
legal rights, and you may have other rights, which vary
from state to state. This warranty applies exclusively to
the original purchaser.
The exclusive warranty does not apply and is ineffec-
tive if:
1. The invoice fails to establish that the product was
purchased from an authorized Sound Advance deal-
er or distributor;
2. The product was subjected to misuse, neglect, acci-
dent, or improper installation. [Damage to the prod-
uct was caused by accident, abuse, or misuse];
3. The product was modified, altered, or repaired by
unauthorized personnel; or
4. The unit was not used as described in the installa-
tion and operating instructions.
Exclusive Remedy:
Sound Advance agrees, at its option during the five
(5) year warranty period, to repair any defect in material
or workmanship or to furnish an equal product in
exchange without charge to the purchaser, subject to ver-
ification of the defect and proof of the date of purchase.
Warranty Exclusions and
Damage Limitations:
The exclusive warranty set forth above is in lieu of all
other warranties, express or implied, including without
limitation the implied warranties of merchantability and
fitness for a particular purpose, which are expressly dis-
claimed. In no event, and under no circumstances or
legal or equitable theory, shall Sound Advance be liable
or responsible for any direct or indirect damages, con-
sequential damages, loss, or injury, including without
limitation, personal injury, bodily injury, property dam-
age, emotional distress, death, real property or person-
al property damage, business interruption, costs of
delay or lost profits arising from the product, whether
based upon warranty, contract, negligence, strict prod-
uct liability or other theory.
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INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES

System Notes:
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INSTRUCTION MANUAL
ST2416S SERIES
SPEAKERTILE®AND ACCESSORIES

SOUND ADVANCE • 212 Avenida Fabricante • San Clemente, CA 92672 USA
[phone] or [phone] • FAX: [phone]
www.soundadvance.com
33-4429 10/06
©2006 Sound Advance. All rights reserved. Sound Advance and SpeakerTile are registered trademarks of
Dana Innovations.
Fine Fissured, Cortega, Fissured, Optima, Ultima and Cirrus are registered trademarks of
Armstrong World Industries.