Loudspeaker Product Manual

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Standing at nearly 1.2m tall, the PL300 is a
majestic three-way floor standing loudspeaker
comprising two 8” (200mm) RDT bass drivers,
one 4” (100mm) RDT mid-range driver and a
C-CAM high frequency ribbon transducer. It
possesses the ability to generate the power
and scale required to fill a larger room with
awe-inspiring sound. Jaw-dropping dynamics,
combined with supreme agility give the
PL300 the power to paint the widest and most
luminous of sonic pictures. Through the
application of advanced technologies, the
sound is neutral, lifelike and totally refined.
With a range from 28Hz to 100kHz, the PL300
is a true wide bandwidth speaker system which
is unrivalled in its class. Between 550Hz and
4kHz, the PL300’s ultra-light and rigid RDT
mid-range driver operates with lightning-fast
precision to provide an utterly lucid transient
response, aided by its dedicated, proprietary
Tapered Line Enclosure (TLE). Precision cast
from ARC material, the TLE provides a very
inert chamber, whose shape is designed to
prevent the formation of standing waves.
Rubber isolation materials decouple the
chamber from the surrounding cabinet to
inhibit the release of residual energy. Below
the mid-range transducer, the PL300’s twin
RDT bass drivers are engineered for long
excursions with extremely low signal
distortion. Even at high power levels the
PL300 will remain free from any signs of
distortion or fatigue to deliver a sound of
immense potency and integrity. Further
evidence of Platinum’s no compromise
design philosophy is revealed by the
‘outboard’ location of the PL300’s crossover,
which is mounted in the cast ARC plinth to
eliminate magnetic interference and provide
acoustic de-coupling from the speaker itself.
The ARC plinth also houses the bi-wire WBT
terminals and offers convenient floor level
access.