Surface-Mount Speaker
SM500i
Technical Information for System Engineers
Key Features
• BroadBeam® waveguide technology
delivers a consistent dispersion pattern
up to 10 kHz for maximum coverage
area per speaker (EASE™ documented).
• One 133 mm (5.25 in) polypropylene
woofer and one 25 mm (1.0 in) convex
aluminum tweeter with FerroFluid™
cooling mounted to a proprietary cast-
aluminum M5™ baffle and heat sink.
Mounting hardware included
Specifications: SM500i
System Type
• 88.5dBAveragesensitivityoffershighoutput
capabilities&reducedamplificationcosts.
5.25” Coax, surface-mount, ported (32 Watt transformer
available for 25/70.7/100 Volt or voice coil/8 Ohm direct)
Frequency Response (-3 dB)1
Low Frequnecy (-10 dB)1
Max. Program Power
Max. Continuous Power RMS2
Max. UL Power Rating3
Max. SPL dB @ 1 M
Sensitivity dB @ 1W/1M4
Impedance (nominal)
Coverage Angle (-6 dB @ 2 kHz)
Coverage Angle (-6 dB @ 10 kHz)
Directivity Factor (Q)
70 Hz - 22 kHz
45 Hz - 22 kHz
150 Watts
75 Watts
50 Watts
107.5 dB
88.5 dB
8 Ohm (nominal value)
• Weatherized components for indoor &
outdoor applications.
• Includes a tool-free SpeedLever™ cap-
tured ball mounting system for fast &
secure installation. Included accessories:
Mounting hardware, Euroblock connector
& terminal weather boot.
120º
130º
• Vertical & horizontal pivoting offer
precision aiming for indoor & outdoor
applications.
3.28 (Averaged 100 Hz - 10 kHz); 4.83 @ 2 kHz
4.43 dB (Averaged 100 Hz - 10 kHz); 6.84 dB @ 2 kHz
6-Position rotary switch with voice coil/8 Ohm direct
Directivity Index (DI)
Tap Selector
• Patented ZeroReflection™ enclosure
technology for optimal sound reproduc-
tion & cabinet rigidity.
Transformer Taps
70.7 V Output
33 W 103.5 dB
17 W 101.0 dB
9 W 98.0 dB
6 W 96.5 dB
3 W 93.5 dB
100 V Output
33 W 103.5 dB
17 W 101.0 dB
9 W 98.0 dB
6 W 96.5 dB
25 V Output
5 W 95.5 dB
2.5 W 92.5 dB
1.3 W 89.5 dB
0.63 W 86.5 dB
• Easy access 6-position selectable tap
switch for 25, 70.7 and 100 Volt applica-
tions with voice coil/8 Ohm direct sim-
plifies ordering and inventory tracking.
• UL 1480 rev. 5, CE approval (EMC Direc-
tive 89/366/EEC, EN55020, EN55013) or
Milspec 810 & IEC529 approval pending.
Transducers
Low Frequency Driver
High Frequency Driver
Low Frequency Voice Coil
Crossover Frequency
1 x 133 mm (5.25 in) Polypropylene cone, butyl rubber surround
25 mm (1.0 in) Convex aluminum tweeter with waveguide
25 mm (1.0 in)
3 kHz
• High-quality black or white paint finish.
Network Type
Low Pass
High Pass
Enclosure Material
Motor Board
Grille
Description
12 dB per octave, 2nd order
12 dB per octave, 2nd order
Injection molded ABS, glass fiber reinforced
Cast aluminum with integrated heat sink
Iridite-plated aluminum with powder-coat finish
4 Pin, 5 mm Euroblock for individual or daisy chain connection
Black or white
305.1 mm / 12.01 in
316.9 mm / 12.48 in
216.6 mm / 8.53 in
4.3 kG / 9.5 lbs
The SM500i is a 5.25” 2-way surface-
mount speaker with a midsize enclosure
design that delivers effective low-end
response (45 Hz) and optimal off-axis
performance (up to 10 kHz, EASE™
documented). SoundTube’s proprietary
BroadBeam® waveguide tweeter
Inputs
Colors
Length (Including Bracket)
Height
Weight
system delivers consistent high-perfor-
mance audio across operating bandwidth.
Weight
Shipping Weight
10.9 kG / 24 lbs (2 per box)
The SM500i speaker design incorp-
orates a low-profile grille, proprietary
M5™ motor-board, 6-position tap switch
with voice coil/8 Ohm direct and mount-
ing hardware, including a fast Speed-
Lever™ mounting system.
Accessories
Included
Corrosion-resistant captured ball mount, safety cable,
Euroblock connector & terminal weather boot
U-Mount Bracket (AC-SM-UB5), Pole Mount Adaptor
(AC-SM-PMA5), Bent Shaft (AC-SM-BS5)
2 Per box, can ship as single
Optional
Packaging
1
2
3
4
Applications
Frequency response is measured in half space and includes a low-frequency peak > + 3 dB.
Continuous power rating, EIA-426-B test.
UL testing specifies band-limited pink noise over the indicated frequency spectrum.
2.83 Volts at a distance of 1 meter.
Designed for indoor & outdoor back-
ground to mid-level SPL surface-mount
applications, the SM500i includes a
SoundTube continually develops new product innovations and improvements. Updates to existing
products without prior notice are an example of SoundTube’s drive for constant improvement.
© 2005 SoundTube Entertainment, Inc. All rights reserved. REV 08.29.05
Surface-Mount Speaker
SM500i
Technical Information for System Engineers
proprietary captured ball mount-
ing system with security screw for
theft prevention. The full frequency
dispersion pattern (45 Hz – 10 kHz,
EASE™ documented) and high sensitiv-
ity (88.5 dB 1W/1M) make the SM500i
surface-mount speaker ideal for music
& paging in retail, amusement, restau-
rant, airports, hotels, schools and casi-
nos. For applications where additional
bass is required, SoundTube’s RS801i
subwoofer provides bass down to 40 Hz.
including Measured Length Sequence
(MLS) and Time Delay Spectrometry
(TDS). Performance, development and
data acquisition tools include: Gold Line
TEF 20, CLIO, LMS, LEAP, and propri-
etary modeling software. EASE™ data
are acquired through an automated TEF
20/Outline/EASE™ interface.
P
atented SoundTube
Technologies
SoundTube Entertainment is constantly
developing new technologies that enhance
audio product performance. SoundTube
Entertainment innovations are protected
by multiple U.S. & international patents,
which explicitly cover SoundTube dome,
enclosure and dispersion technologies.
SoundTube Entertainment actively
EASE™ Data – 3-D polar plots.
SoundTubeSPEC™ – Proprietary
SoundTube speaker placement software.
defends its patents in order to protect
SoundTube resellers and end users.
Br
oadBeam® Wide
Architectural Specifications
Technical Data and
Specification Tools
Dispersion Technology
The loudspeaker shall consist of a 133
More than 3 years in development,
SoundTube’s proprietary BroadBeam®
technology incorporates a high-fre-
quency waveguide mated to a 1” convex
metal tweeter. BroadBeam® wave-
guide technology delivers a consistent
BroadBeam® dispersion pattern across
the upper registers of the frequency
spectrum (up to 10 kHz, EASE™ docu-
mented). The result is an audio system
with fewer speakers, reduced power
needs, shorter installation time and cost
savings on shipping & labor.
mm (5.25 in) low-frequency transducer
and a 25 mm (1.0 in) high-frequency trans-
ducer with a frequency-dividing network
installed in the vented enclosure. The
low-frequency voice coil diameter shall be
25 mm (1.0 in).
Technical Data
SoundTube Entertainment strives to
provide complete and effective technical
information and data to dealers, engineers
and designers. All data are available
from SoundTube Entertainment or at
www.soundtube.com.
Performance specifications of a typical
production unit shall be as follows: Use-
able frequency response shall extend from
45 Hz – 22 kHz (-10 dB, half space, no
external equalization). Measured sensitiv-
ity (2.83 Volt input, 1 meter) shall be at
least 88.5 dB. The speaker shall have a
Data Acquisition
All performance data acquired at
SoundTube’s Technical Measurement Cen-
ter (TMC) are analyzed using a variety
of standard measurement techniques,
Polar Plots
Horizontal
Vertical
250 Hz
500 Hz
1,000 Hz
125 Hz
4,000 Hz
8,000 Hz
10,000 Hz
2,000 Hz
Technical data, EASE™ plots, SoundTubeSPEC™ software & product downloads available at www.soundtube.com
Surface-Mount Speaker
SM500i
Technical Information for System Engineers
nominal impedance of 8 Ohms and be avail-
able for 25, 70.7 & 100 Volt modes with voice
coil/8 Ohm direct. The frequency-dividing
network shall have a crossover frequency
of 3 kHz with slopes of 12 dB per octave
(2nd order) for both low & high pass filters.
Rated power capacity shall be at least 75
Watts continuous power (RMS) and conform
to EIA-426-B testing. Maximum continuous
output at 1 meter shall be 107.5 dB.
Mechanical Drawings
216.6 mm (8.53 in)
245.9 mm (9.68 in)
316.9 mm (12.48 in)
The low-frequency transducer shall have
a polypropylene cone with butyl rubber sur-
round. The high-frequency transducer shall
be constructed of aluminium material with
a proprietary BroadBeam® waveguide.
Installation for the SM500i shall be by a
proprietary & corrosion-resistant captured-
ball mounting system. SoundTube’s tool-free
captured ball mounting system incorporates
a locking zinc alloy lever attaching to a cast-
aluminum ball. For seismic & safety redun-
dancy, a secondary aircraft cable shall be
included and attached to the speaker chassis
via #10 bolt. The external wiring input con-
nector shall be a 4-pin, 5 mm Euroblock
for 8 Ohm or distributed systems and shall
accept from 10 – 22 gauge wire. The system
shall be for indoor/outdoor applications and
shall have a weather-resistant terminal boot
covering all wire connectors.
305.1 mm (12.01 in)
Installation
Unlocked
Locked
SoundTube’s SM500i is a surface-mount
speaker designed to mount to a wall, pole,
ceiling or other rigid structure. Vertical &
horizontal pivoting offer unlimited aiming for
indoor & outdoor applications.
The enclosure shall be constructed of
injection-molded, glass-reinforced ABS.
The grille shall be constructed of iridite-plated,
powder-coated aluminium for lasting
performance.
Optional Accessories
Overall cabinet dimensions shall be no
more than 316.9 mm (12.48 in) in height
by 216.6 mm (8.53 in) in width by 305.1
mm (12.01 in) in depth (including SM
bracket). The SM500i shall include Euroblock
connector & weather boot.
The system shall be the SoundTube
SM500i for both low & high impedance
applications.
U-Mount Bracket (AC-SM-UB5)
Pole Mount Adaptor (AC-SM-PMA5)
SoundTube Entertainment
6430 North Business Park Loop
Park City, Utah 84098
Phone 435.647.9555
Fax
435.647.9666
Toll Free 800.647.TUBE
All SoundTube products come
with a 5-year limited warranty.
Bent Shaft (AC-SM-BS5)
SoundTube Entertainment manufactures a complete line of speakers for:
Open-Ceiling • In-Ceiling • Surface-Mount • Outdoor • Sound-Focusing
All SoundTube products are designed and engineered in the USA.
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