B38
APPLICATIONS
This model is intended to be used in cases where neither ultimate
transcription sound nor full outdoor environmental withstanding
are requested.
The main use is in the field of Studio Monitoring. Its linear pressure
response up to 1kHz, together with the smooth upper roll-off
are ideal for this application.
Recommended acoustical load is in a Reflex enclosure of 90L
to 120L tuned from 40Hz to 43Hz, while usable freq. range is
possible up to 600Hz depending only on the directivity
compromise you agree on.
FEATURES
Power handling capacity 500 W AES
Reference efficiency(1W @ 1m) 97 dB SPL
SPL max (continuous) 120 dB SPL
Usable frequency range 35-2000 Hz
Environmental withstanding Outdoor
✚
DESIGN CONCEPT
DEFLECTION CONTROLLED DIAPHRAGM optimized for dynamic
damping.
DEFLECTION CONTROLLED DIAPHRAGM technology consists
in optimizing the shape and material of the diaphragm so that it
works as a mechanical transmission line, to avoid breaking modes
as well as mechanical threshold which destroy sound quality.
This leading edge technology offers substantial sonic advantages.
Among them: sound coherency, fast transients, stable sound
imaging, high sensitivity, wide frequency range and reduced
directivity pattern.
VENTED COMPACT MAGNET SYSTEM It has been carefully
optimized to obtain maximum transducing efficiency while
avoiding unlinear behavior such as coil inductance variation with
position, flux modulation, harmonic distortion, rest position offset,
air compression, and off-axis voice-coil pushing.
Its design incorporates a T-shaped and vented pole piece, and a
flux stabilization ring. It also takes into consideration
demagnetization at cold temperatures.
INTERCOOLER SYSTEM (patented). Entirely integrated into the
loudspeaker itself, the
INTERCOOLER SYSTEM extracts the heat
produced by Joule effect in the voice-coil by the means of an air
flow directed through the heatsink rims of the basket by the
motion of the dust-cap and the spider.
The gain brought about by this technology is over 20 % of extra
power, so for example, a 3”coil according to this design has
the same power handling capacity as a classical 4”one.
ARCHITECTURAL SPECIFICATIONS
NOMINAL DIAMETER : 380 mm.
FRAME : High tensile alloy pressure
die-cast basket with patented
INTERCOOLER SYSTEM.
MAGNET SYSTEM : 3” highly energized,
heat extracting design with vented
pole piece and flux stabilizing ring.
VOICE COIL : High-temperature
stabilized copper ribbon wound on
high-strength glass polyimide former.
CONE ASSEMBLY : High-strength
cellulose fiber cone impregnated and
coated on both sides with damped
resins, fitted with central carbon-fiber
dome and high compliance treated
double-roll fabric surround.
SPEAKER MASS : 9.10 kg
PROFESSIONAL SERIES
8 Ω
15” Bass Midrange Driver
Ultimate Sounding Quality
5010
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