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environment for sound reproduction. The
result is accurate sound and tight bass in an
indestructible enclosure.
Technical Data
SoundTube Entertainment strives to pro-
vide complete and effective technical infor-
mation and data to dealers, engineers and
designers. All data are available from
SoundTube Entertainment or at
www.soundtube.com.
Technical data and downloads include:
Tech Sheets – Technical information and
architectural specs for system engineers.
Da
Data Acquisition
All performance data acquired at
SoundTube’s Technical Measurement Center
(TMC) are analyzed using standardized mea-
surement techniques, including Measured
Length Sequence (MLS) and Time Delay
Spectrometry (TDS). Performance, develop-
ment, and data acquisition tools include:
Gold Line TEF 20 Suite, CLIO, LMS, LEAP,
and proprietary modeling software.
Data for Other SoundTube
Products
Also available: Sales & installation infor-
mation for all SoundTube speaker systems
including open-ceiling, in-ceiling, surface-
mount, in-ground and sound-focusing
speakers.
Architectural Specifications
The loudspeaker shall be of in-ground
design consisting of one 203 mm (8.0 in)
low-frequency transducer and one 25 mm
(1.0 in) high-frequency transducer with a
frequency-dividing network installed in a
vented enclosure. The low-frequency voice
coil diameter shall be 40 mm (1.6 in).
Performance specifications of a typical pro-
duction unit shall be as follows: Usable
frequency response shall extend from
40 Hz – 20 kHz. The loudspeaker shall be
available in 64 W transformer and 8 Ohm
models. Taps shall be nominally 4 W @ 70.7
V (8 W @ 100 V), 8 W @ 70.7 V (16W @
100 V), 16 W @ 70.7 V, 64 W @ 100 V and
64 W @ 70.7 V (not used in 100
V systems).
The frequency-dividing network shall have a
crossover frequency of 2.4 kHz. Rated power
capacity of the components and network shall
be at least 100 Watts continuous RMS power.
Technical data, EASE
™
plots, SoundTubeSPEC
™
software & product downloads available at www.soundtube.com
XT800
XT800
Outdoor/In-Ground Speaker
Technical Information for System Engineers
100.0
90.0
dBSPL
80.0
70.0
60.0
50.0
30 100 1K 10K Hz 20K
-180.0
-108.0
-36.0
36.0
108.0
Deg
180.0
Half space (2p)
2p simulates mounted or in-ground applications.
100.0
80.0
Ohm
60.0
40.0
20.0
0.0
20 100 1K 10K Hz 20K
-180.0
-108.0
-36.0
36.0
108.0
Deg
180.0
Impedance
Phase
Phase/Impedance Reponse
Frequency Response