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Dual JBL low frequency drivers with a 64 mm (2.5 in)
diameter edgewound ribbon voice coil which provides
more crosssectional wire area in the voice coil gap than
round wire designs, for greater efficiency and power handling.
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Ferro-fluid cooled compression driver with titanium
diaphragm improves high frequency performance as
well as system reliability.
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The advanced network topology crossover design shapes frequency response and delivers coherent summation in
the crossover region.
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A
"Quasi 3-Way" design offers the extra bass for which a dual fifteen
system is designed, but without sacrificing performance in the critical
mid-range. The upper woofer produces mid-frequencies and bass, while
the lower woofer concentrates on bass only. The reduction in mid-range
phase cancellation greatly improves midrange sound quality and coverage.
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High-voltage capacitors and inductors with massive cores
and heavy gauge wire enable the crossover network to
handle high power without saturating.
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Progressive
Transition™ highfrequency waveguide provides superior coverage control,
reduced distortion, and smoother frequency response.
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The
rugged, acoustically superior enclosure is constructed
from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced
adhesives and mechanical fastener technology for extreme durability and
improved low-frequency performance.
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SonicGuard™ protects the highfrequency driver from
excess power without interrupting the performance.
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Non-resonant, all-steel handles are used.
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Attractive 18-gauge perforated, steel grille protects
components from damage.
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