Open-Ceiling Speaker
RS500i
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: RS500i
System Type
5.25” Coax, open-ceiling, ported (33 Watt transformer
available for 25/70.7/100 Volt or voice coil/8 Ohm direct)
Frequency Response (-3 dB)1
Low Frequency (-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)
75 Hz - 22 kHz
55 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 hanging hardware with aircraft
cables and integrated SpeedClamp™
self-locking wire grip for fast, easy &
secure installation. Also includes Euro-
block connector & terminal weather boot.
100º
105º
3.40 (Averaged 100 Hz - 10 kHz); 6.64 @ 2 kHz
4.62 dB (Averaged 100 Hz - 10 kHz); 8.22 dB @ 2 kHz
6-Position rotary switch with voice coil/8 Ohm direct
• Patented ZeroReflection™ enclosure tech-
nology for optimal sound reproduction
& cabinet rigidity.
Directivity Index (DI)
Tap Selector
Transformer Taps
• 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 & inventory tracking.
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
• Iridite-plated steel grille with protective
powder-coated finish for lasting durability.
Transducer
• 88.5 dB average sensitivity offers high-
output capabilities & reduced amplifica-
tion costs.
Low Frequency Driver
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 Frequency Driver
Low Frequency Voice Coil
Crossover Frequency
• UL 1480 rev. 5, CE (EMC Directive 89/
366/EEC, EN55020, EN55013 & IEC529
approval pending. Milspec 810 approved.
Network Type
Low Pass
High Pass
Enclosure Material
Motor Board
Grille
Inputs
Colors
Height
Diameter
12 dB per octave, 2nd order
12 dB per octave, 2nd order
Injection molded ABS, glass fiber reinforced
Cast aluminum
Iridite-plated steel with powder-coat finish
4 Pin, 5 mm Euroblock for individual or daisy chain connection
Black or white
298.3 mm / 11.74 in
245.9 mm / 9.68 in
4.3 kG / 9.5 lbs
10 kG / 22.0 lbs (2 per box)
• High-quality black or white paint finish.
Custom paint colors optional.
Description
The RS500i is a 5.25” 2-way ported
speaker with an open-ceiling enclosure
design that delivers effective low-end
response (55 Hz) and optimal off-axis per-
formance (105° dispersion up to 10 kHz,
EASE™ documented). SoundTube’s pro-
prietary BroadBeam® waveguide tweeter
system delivers consistent high-perfor-
mance audio coverage across the operating
bandwidth. The RS500i speaker design
incorporates a low-profile grille, propri-
etary M5 motor-board and a 6-position
tap switch with voice coil/8 Ohm direct.
Hanging hardware is included & features
SpeedClamp™ self-locking wire grip for
fast, easy & secure installation.
Weight
Shipping Weight
Accessories
Included
Hanging hardware, Euroblock connector & terminal
weather boot
N/A
Optional
Packaging
2 Per box
1
2
3
4
Frequency response is measured in half & full 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.
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. PN TS-RS500 REV 08.29.05
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Open-Ceiling Speaker
RS500i
Technical Information for System Engineers
needs, shorter installation time and cost
savings on shipping & labor.
ety of standard measurement techniques,
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 TEF20/
Outline/EASE™ interface.
Applications
Designed for indoor & outdoor back-
ground to mid-level SPL applications,
the RS500i includes a single-point
Patented SoundTube
Technologies
mounting system for rapid open-ceiling
installations. The 100° broad dispersion
pattern (55 Hz – 10 kHz) and high sensi-
tivity (88.5 dB 1W/1M) make the RS500i
speaker ideal for music & paging appli-
cations in retail, grocery stores, restau-
rants, hotels, casinos, museums, trade
shows & conference rooms. For applica-
tions where additional bass is required,
SoundTube’s RS801i 8” subwoofer pro-
vides bass down to 40 Hz.
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
dispersion, enclosure & dome technolo-
gies. SoundTube Entertainment actively
defends its patents in order to protect
SoundTube resellers and end users.
EASE™ Data – 3-D polar plots.
SoundTubeSPEC™ – Proprietary
SoundTube speaker placement software.
Architectural Specifications
The loudspeaker shall consist of a 133
mm (5.25 in) low-frequency transducer
and a 25 mm (1.0 in) high-frequency trans-
ducer with a crossover installed in the
ported enclosure. The low-frequency voice
coil diameter shall be 25 mm (1.0 in).
Technical Data and
Specification Tools
BroadBeam® Wide
Dispersion Technology
Technical Data
More than 3 years in development,
SoundTube’s proprietary BroadBeam®
technology incorporates a high-fre-
quency waveguide mated to a 1” convex
aluminum tweeter. The BroadBeam®
high-frequency waveguide delivers a
consistent 100° 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
SoundTube Entertainment strives to
provide complete and effective techni-
cal information and data to dealers,
engineers and designers. All data are
available from SoundTube Entertain-
Performance specifications of a typi-
cal production unit shall be as follows:
Useable frequency response shall extend
from 55 Hz – 22 kHz (-10 dB, half space,
no external equalization). Measured
sensitivity (2.83 Volt input, 1 meter) shall
be at least 88.5 dB. The speaker shall
have a nominal impedance of 8 Ohms
and be available for 25, 70.7 & 100 Volt
Data Acquisition
All performance data acquired at
SoundTube’s Technical Measurement
Center (TMC) are analyzed using a vari-
Polar Plots
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
Download from Www.Somanuals.com. All Manuals Search And Download.
Open-Ceiling Speaker
RS500i
Technical Information for System Engineers
Mechanical Drawings
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 continu-
ous power (RMS) and conform to EIA-426-
B testing. Maximum continuous output at
1 meter shall be 107.5 dB.
298.3 mm
The low-frequency transducer shall have
a polypropylene cone with butyl rubber sur-
round. The high-frequency transducer shall
be constructed of aluminum with a propri-
etary BroadBeam® waveguide.
(11.74 in)
Installation for the RS500i shall be by
aircraft cable affixed to the speaker chassis
via a carabiner. For seismic & safety
redundancy, a secondary aircraft cable
shall be included and shall attach to the
speaker chassis via #10 bolt. The external
wiring input connector 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.
245.9 mm (9.68 in)
Included Accessories
The enclosure shall be constructed
of injection-molded glass-reinforced ABS.
The grille shall be constructed of iridite-
plated, powder-coated steel for lasting per-
formance in the elements. Overall cabinet
dimensions shall be no more than 298.3
mm (11.74 in) in height by 245.9 mm (9.68
in) in diameter. The RS500i shall include
hanging hardware, Euroblock connector
and weather-resistant terminal boot.
Hanging Hardware: Main & Safety
Cables w/ SpeedClamp™
SoundTube’s hanging cable kit incorpo-
rates hanging & safety cables & Speed-
Clamp™ self-locking cable clamps for
an integrated and easy-to-install system.
Hanging & safety cables are infinitely
adjustable to 2.74 M (9.0 ft).
The system shall be the SoundTube
RS500i with hanging hardware for both
low & high impedance applications.
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.
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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