Monitor Audio PLC350 II User Manual
“How can a loudspeaker be made to sound
more natural? This is the question that drives
our endeavour day-in, day-out. We’re motivated
by the quest to eliminate distortion from the
most important element in your audio system.
How far we’ve come can be measured by the
sound of Platinum II: the most accurate and
beautiful loudspeakers Monitor Audio has ever
made. Supported by painstaking analysis and a
lifetime of listening, their evolution has rened
our technologies, inspired new discoveries and
achieved advances in every area of design electrical, mechanical, magnetic, acoustic
and aesthetic. The result is a speaker range of
exceptional quality, dedicated to raising your
emotional contact with music and lm sound
in all its natural glory. Built by audio lovers, for
audio lovers, Platinum II provides our answer to
the primary challenge of speaker design. To the
big question we simply reply “like this”!”
Dean Hartley
Technical Director
If a pin drops, you’ll hear it. When the orchestra
plays, it plays for you, so vividly and with such
eortless scale you’ll believe you’re ten rows
from the stage. This is the magic of high-end
audio as experienced through the Platinum II
speakers. Whether it’s a power chord exploding
from a towering backline, the majesty of a choir
soaring in union or the spell-binding gravity of
a solo performance, you’ll sense the chemistry
of music and musician more than ever before.
Play lms and re-live the drama as if they’d
written you into the script. As soon as you
discover the sheer authenticity of Platinum II,
everything will become clear.
That moment will be our reward as well,
because we love to share the excitement of
creating sound, bursting with natural energy
and dynamics. For over forty years our work
as engineers and audio enthusiasts has been
dedicated to this unveiling. With our most
advanced driver, crossover and acoustic
systems set within luxurious cabinets, we’ve
tuned the virtues that have won Monitor Audio
worldwide acclaim to a new intensity, allowing
rareed audio transparency to be revealed and
enjoyed. Platinum II is our magnum opus, as
inspirational and satisfying to us as we hope it
will be to you.
The Platinum II cabinets are a statement of
immaculate craftsmanship. Each is hand-built
with the expert precision of the nest furniture
makers, employing multiple laminations of
veneer that are formed into a curved rigid shell.
For the nish, natural wood veneers in Santos
Rosewood or Natural Ebony are pair-matched,
applied and hand-coated with 11 layers of clear
gloss piano lacquer, then polished to reveal the
glowing lustre in the grain. Platinum II models
are also available in a penetrating piano black
gloss lacquer, which will oer a luxurious
contrast with room décor.
The front baes are hand-upholstered with the
very highest quality Inglestone leather supplied
by Andrew Muirhead and used to distinguish
many luxury British brands. Such is the level
of care lavished on the Platinum II enclosures
that each requires as many as 144 hours to
complete.
Platinum II oers you genuine audiophile
performance with stunning design and
materials specication. In the pursuit of
ever lower distortion, no detail has been
overlooked. Through meticulous FEA modelling
we’ve optimised the operation of electrical,
mechanical, magnetic and acoustic systems,
introducing new discoveries to meet ambitious
performance goals. The Platinum II range
deploys an enhanced generation of RDT®
bass and mid drivers, and for the rst time
in a Monitor Audio product, the MPD (Micro
Pleated Diaphragm) high frequency transducer.
Including improved crossover and speaker
terminal designs together with proprietary
ARC®, TLE, HiVe®II technologies, Platinum II
builds on the award-winning advances of over
forty years to create a high-end speaker range
that is utterly faithful to the source.
MPD (MICRO PLEATED DIAPHRAGM) HIGH
FREQUENCY TRANSDUCER: Developed over
many months of intensive testing and listening,
the MPD High Frequency Transducer is a
landmark achievement by the engineering team
for Platinum II. It represents an imaginative reworking of an existing technology, transforming
a successful idea into an audiophile super-
driver, having greater accuracy and eciency
than ever before. Using a new, proprietary lowmass pleated diaphragm with a surface area
eight times larger than that of a traditional
dome tweeter, the MPD transducer works like a
super-fast accordion by rapidly squeezing the
pleats to produce a smooth, wide, naturally fast
response up to 100kHz. As a result it sounds
more lifelike, releasing the high harmonic
spectrum of every note without the distortion
that blurs denition.
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