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Introduction from the Technical Director

“How can a loudspeaker be made to sound more natural? This is the 
question that drives our endeavor 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  refined  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 film 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

Company History

Since 1972, Monitor Audio’s near fanatical commitment to quality in every aspect of loudspeaker design coupled with 
its willingness to innovate has inspired global recognition and acclaim. Daring to challenge design orthodoxy has been 
its signature approach. 

When  Monitor  Audio  launched  its  R852MD  loudspeaker  –  the  first 

model to incorporate a metal dome tweeter - it caused quite a stir. 
Until that time, most metal domes were single-metal types made 
from copper or titanium and virtually all sounded unconvincing. 
The R852 used an aluminium-magnesium alloy dome and sounded 

significantly better and smoother than all of its single-metal rivals. 
It also incorporated ferro-fluid damping/cooling of the metal voice-

coil former and a vented voice coil mechanism for better heat 
dissipation. These radical design elements formed the basis for 
successive generations of C-CAM® metal domes. 

By consistently refining and applying the technology, Monitor Audio has become the world’s foremost proponent of 

metal dome drivers. Monitor Audio designs everything in house at their world headquarters in England, so that it can 
optimise the incomparable blend of virtues that makes Monitor Audio loudspeakers unique: clean, dynamic sound, 

superior build quality and innovative design. Because they share a philosophy of excellence and a consistency of 
quality  and  voicing,  loudspeakers  of  different  types:  on-wall,  In-Ceiling,  floor  and  stand-mounting,  may  be  used 

together to create the perfect acoustic blend for any room. 

In the strength and depth of Monitor Audio’s evolving product portfolio, the ideal of a universal whole-house 

loudspeaker brand finds true expression. Decades of accumulated expertise and knowledge have refined the rare 

mix of innovation, reliability and sheer performance that has propelled the brand to global status and on which 

aficionados of music and movie sound have come to rely.  

Platinum In-Ceiling II

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Summary of Contents for PLATINUM IN-CEILING II

Page 1: ...O w n e r s M a n u a l...

Page 2: ......

Page 3: ...d Diaphragm Technology 2nd Generation 3 ARC Anti Resonance Composite 3 Setting Up 4 2 Channel Positioning 4 AV Positioning 4 Atmos 5 Prior to Fitting the Platinum In Ceiling II Speakers 5 Over Tighten...

Page 4: ...er it caused quite a stir Until that time most metal domes were single metal types made from copper or titanium and virtually all sounded unconvincing The R852 used an aluminium magnesium alloy dome a...

Page 5: ...d magnesium which undergoes stress relieving processes in manufacturing to avoid surface deformation and molecular weakness A layer of pure ceramic alumina is depleted onto the surfaces to produce a c...

Page 6: ...er to the illustration below and opposite for the ideal angles and positions of each speaker in your surround system The centre channel will need to be as close to the screen as possible to ensure the...

Page 7: ...ation will require channelling out and frame work constructed to provide a structure for the Tri Grip dog legs to clamp to For safety reasons if you are unsure of your ability to provide a secure and...

Page 8: ...peaker cables Refer to page 7 for more information 4 Position into the ceiling so that the tweeter is angled towards the listening position 5 Tighten the dog leg screws Play some audio and adjust the...

Page 9: ...for your environment Painting the Grilles NOTE If choosing to paint the grille we recommend you follow these simple steps 1 Remove the membrane scrim from the inside of the grille 2 Paint all grilles...

Page 10: ...CAM mid range drivers 1 x MPD high frequency transducer Adjustment Controls H F level switch 1dB 0dB 1dB M F level switch 1dB 0dB 1dB Cable Connection High end push type terminals Fixings 3 position...

Page 11: ......

Page 12: ...td 24 Brook Road Rayleigh Essex SS6 7XJ England Tel 44 0 1268 740580 Fax 44 0 1268 740589 Email info monitoraudio co uk Web www monitoraudio com Designed Engineered in the United Kingdom Made in China...

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