PHL Audio Portable Speaker B17 User Manual

B17  
8  
PROFESSIONAL SERIES  
1330  
1290  
16 Ω  
6.5” Bass Midrange Drivers  
High Sound Pressure Level  
I
High Efficiency Contact Class  
APPLICATIONS  
Dedicated to proximity sound reinforcement systems these models  
are optimum for two way Bass-Reflex systems using one or two  
drivers per system, with a X-over frequency situated around 3kHz  
to 5kHz.  
Their particular design prevents over-excursion damage making  
them extremely rugged without any counterpart in the sound  
which remains accurate and dynamic.  
Recommended Reflex enclosure is 10L to 12L tuned from 60Hz to  
65Hz.  
DESIGN CONCEPT  
FEATURES  
Power handling capacity 100 W AES  
Reference efficiency(1W @ 1m) 94 dB SPL  
SPL max (continuous)  
Usable frequency range  
Environmental withstanding Outdoor  
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.  
110 dB SPL  
50-4000 Hz  
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.  
ARCHITECTURAL SPECIFICATIONS  
NOMINAL DIAMETER :166 mm.  
SOFT EXCURSION LIMITING. The SOFT EXCURSION LIMITING mechanism is  
a special S-profile design of the rubber surround avoiding voice-coil  
bottoming which destroys driver functionality instantaneously.  
The cone excursion is progressively limited to +/- 8mm, introducing  
a soft clipping which totally protects loudspeakers from  
over-excursion damage.  
FRAME : High tensile alloy pressure  
die-cast basket with patented  
INTERCOOLER SYSTEM.  
COMPACT MAGNET SYSTEM Its design has been specially 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.  
MAGNET SYSTEM : 1.5” highly energized,  
heat extracting design.  
VOICE COIL : High-temperature  
Its design incorporates a T-shaped pole piece, and a flux stabilization  
ring. It also takes into consideration demagnetization at cold  
temperatures.  
stabilized copper wire wound on  
vented, high-strength glass polyimide.  
CONE ASSEMBLY : High-strength cellulose  
fiber cone and central dome  
impregnated and front-coated with  
damped resins, fitted with S-shaped  
viscoelastic damped neoprene  
surround.  
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.  
SPEAKER MASS : 2.15 Kg.  
 

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