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Technical data and downloads include:
Tech Sheets – Technical information and
architectural specs for system engineers.
Da
Da
ta Acquisition
ta 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
ata for Other SoundTube
Products
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.
Arch
Arch
itectural Specifications
itectural Specifications
The loudspeaker shall be of in-ceiling
design consisting of one 203 mm (8.0 in) con-
centric coaxial coated fiber driver,
25 mm (1.0 in) compression driver with a
50 mm (2.0 in) titanium diaphragm. The
low frequency voice coil diameter shall be
50 mm (2.0 in).
Performance specifications of a typical
production unit shall be as follows: Usable
frequency response shall extend from
52 Hz – 17.3 kHz. The loudspeaker shall be
available in separate 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
(16 W @ 100 V), 16 W @ 70.7 V (32 W @ 100
V), 32 W @ 70.7 V (64 W @ 100 V), 64 W @
70.7 V (tap position not used @ 100 V). The
frequency-dividing network shall have
a crossover frequency of 1.8 kHz. Rated
power capacity of the components and
network shall be at least 125 Watts continu-
ous RMS power.
The HPCF8 backcan shall be con-
structed of formed steel and the baffle of
heat-resistant ABS material. The external
wiring shall be accomplished via hardwire
leads.
The system shall include a steel support
backing plate (tile bridge) to reinforce the
ceiling material and tile support rails. The
Frequency Response
Frequency Response
(unequalized)
Phase Response
Phase Response
Impedance Response
Impedance Response
Frequency Response on-axis in full space (4π).
SPL, 1W, 1M (dB)
Frequency (Hz)
Technical data, EASE
™
plots, SoundTubeSPEC
™
software & product downloads available at www.soundtube.com
HPCF8
HPCF8
High-Power In-Ceiling Speaker
Technical Information for System Engineers