Filter
Top Products
Technical data, EASE
™
plots, SoundTubeSPEC
™
software & product downloads available at www.soundtube.com
CM690i
In-Ceiling Speaker
Preliminary Technical Information for System Engineers
is an audio system with fewer speakers,
reduced power needs, shorter installation
time and cost savings on shipping and
labor.
Patented SoundTube
Technologies
SoundTube entertainment is consis-
tently developing new technologies that
enhance audio product performance.
SoundTube Entertainment innovations
are protected by multiple U.S. and
international patents, which explicitly
cover SoundTube dome, enclosure
mounting and dispersion technolo
-
gies. 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 technical
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 Spec
-
trometry (TDS). Performance, develop
-
ment and data acquisition tools include:
Gold Line TEF 20, CLIO, LMS, LEAP, and
proprietary modeling software. EASE
™
data are acquired through an automated
TEF 20/Outline/EASE
™
interface.
EASE™ Data
– 3-D polar plots.
SoundTubeSPEC™
– Proprietary
SoundTube speaker placement software.
Architectural Specifications
The loudspeaker shall consist of a 165
mm (6.5 in) low-frequency transducer
and a high frequency transducer with
a 1” exit and a frequency-dividing net
-
work installed in a ported enclosure.
The low-frequency voice coil diameter
shall be 34 mm (1.36 in).
The performance specifications of a
typical production unit shall be as fol
-
lows: Useable frequency response shall
Polar Plots
extend from 64 Hz – 22 kHz (-10 dB, no
external equalization). Measured sensitiv
-
ity (2.83 Volt input, 1 meter) shall be at
least 93 dB. The speaker shall have a nomi
-
nal impedance of 8 Ohms and be available
for 25/70.7/100 Volt modes with a voice
coil/8 Ohm direct. The frequency-dividing
network shall have a crossover frequency
of 3 kHz with a slope of 18 dB per octave
(3rd order). Rated power capacity shall
be at least 100 Watts continuous power
(RMS), and conform to EIA-426-B testing.
Maximum continuous output at 1 meter
shall be 113 dB.
The low-frequency transducer shall
have a treated fiber cone and cloth sur
-
round.
Installation for the CM690i shall be by
2-screw blind mount, constant tension
winged assembly and shall attach to ceil
-
ing thickness tolerances ranging from
6.4 mm (0.25 in) to 42.9 mm (1.69 in). The
external wiring input connector shall be
a 4-pin, 5 mm Euroblock connector for
8 Ohm or distributed systems and shall
accept from 10 – 22 gauge wire. The maxi
-
mum backcan dimension shall be no more
than 201.7 mm (7.94 in) in height by 296.7
mm (11.68 in) in diameter. The maximum
N/A