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Technical data, EASE
™
plots, SoundTubeSPEC
™
software & product downloads available at www.soundtube.com
20/Outline/EASE
™
interface.
EASE™ Data
– 3-D polar plots.
SoundTubeSPEC™
– Proprietary
SoundTube speaker placement software.
Technical assistance:
SoundTube SPEC™ software
and engineering support
For quick and easy specification,
visit www.soundtube.com and use
SoundTube’s proprietary specification
software. For technical assistance,
including detailed EASE™ plots, con
-
tact SoundTube Entertainment directly
at techinfo@soundtube.com or call us
at 435-647-9555 or 800-647-8823.
Architectural Specifications
The loudspeaker shall consist of a
102 mm (4 in) polypropylene woofer
and one 25 mm (1 in) convex aluminum
tweeter with FerroFluid cooling
.
Performance specifications of a typical
production unit shall be as follows: Use
-
able frequency response shall extend to
72 Hz (-10 dB, no external equalization).
Measured sensitivity (2.83 Volt input, 1
meter) shall be at least 88 dB. The speaker
shall have a nominal impedance of 4
Ohms and be available for 25, 70.7 & 100
Volt modes with voice coil/4 Ohm direct.
The frequency dividing network shall
have a crossover frequency of 2.27 kHz
with slopes of 12 dB per octave ( 2nd order)
for both low and high pass filters. Rated
power capacity shall be at least 20 Watts con
-
tinuous power (RMS) and conform to EIA-
426-B testing. Maximum continuous output
at 1 meter shall be 98 dB.
The low-frequency transducer shall
have a polypropylene cone with butyl
rubber surround. The high-frequency
transducer shall be constructed of alu
-
minum with a proprietary BroadBeam
®
waveguide.
Installation and safety attachment
for the RS400i shall be by aircraft cable
affixed to the speaker chassis via an
integrated forged aluminum clasp with
safety gate. The external wiring input
connector shall be a 4-pin, 5 mm Euro
-
block for 4 Ohm or distributed systems
and shall accept from 10 – 22 gauge
wire. The system shall be for indoor
SoundTube Entertainment actively defends
its patents in order to protect SoundTube
resellers and end users.
Technical Data and
Specification Tools
Technical Data
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
-
ment or at www.soundtube.com.
Data Acquisition
All performance data acquired at
SoundTube’s Technical Measurement
Center (TMC) are analyzed using a
variety of standard measurement tech
-
niques, 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 proprietary
modeling software. EASE
™
data are
acquired through an automated TEF
Polar Plots
RS400i
Open-Celling Speaker
Preliminary Technical Information for System Engineers
10,000 Hz
8,000 Hz
4,000 Hz
2,000 Hz
1,000 Hz
500 Hz
250 Hz
125 Hz