Monitor Audio Loudspeaker Radius User manual

WITHOUT WISHING TO SOUND LIKE I’VE BOUGHT SHARES IN MONITOR AUDIO, I
CAN’T FAULT THEIR CONSTRUCTION. EVERYTHING, FROM THE CABINETRY, PIANO
BLACK GLOSS FINISH AND DRIVER COMPLEMENT JUST SEEMS RIGHT TO ME...
I CAN’T FIND FAULT - AND IT SHOWS IN THE LISTENING.
ON THE R90’S - HI-FI WORLD, MAY 2006 PERFORMANCE, TECHNICAL EXCELLENCE, INNOVATION, SUPERIOR AESTHETIC DESIGN.

THE ULTRA-VERSATILE RADIUS RANGE DELIVERS UNPRECEDENTED
AUDIO RESOLUTION. WHATEVER YOUR ROOM COLOUR, SHAPE AND SIZE, YOU’LL
ENJOY THE PERFECT CO-ORDINATION OF AUDIO AND ENVIRONMENT.
PERFORMANCE, TECHNICAL EXCELLENCE, INNOVATION, SUPERIOR AESTHETIC DESIGN.

HARMONY AT HOME
There’s no need to compromise your cherished interior design to enjoy
fantastic sound.
With Radius loudspeakers from world-renowned loudspeaker specialist
Monitor Audio, you’re assured perfect performance through ultra-compact
designs in a versatile range of colour options.
Match the texture of your rooms with luxurious real wood or piano lacquer
finishes and satisfy your desire for exceptional fidelity with the widest choice of
loudspeaker systems for hi-fi and home cinema.
Regardless of room size, shape or application, Radius loudspeakers blend with
your home as perfectly as your choice of room colour, so that your personality
and your taste for great audio are emphatically expressed.

MAKING SPACE FOR MUSIC & MOVIES
THE RADIUS CONCEPT
Many style-orientated speaker systems adopt a
“high-tech” look with interesting shapes and plastic
casings. With the Radius range however, Monitor Audio
has aimed for altogether more exceptional results, both
visually and sonically.
In developing Radius, we’ve remained true to the
principles that make Monitor Audio speakers so sought
after across the globe. There are no gimmicks, no
shortcuts, no fads - just a commitment to quality in all its
respects.
Combining advanced driver technology from our
acclaimed reference models with superlative build
quality and finish, Radius elevates traditional sat/sub
performance to a level, which will astound lovers of
music, movies and design in equal measure.

BESPOKE WALL BRACKETS
AND STANDS
Position Radius speakers anywhere using the
high quality metal wall bracket supplied with the
satellites. Alternatively, use the super-chic
optional floor-stands for Radius 90 and 180,
and the optional desktop stand for the Radius
225 and 250.
WIDE CHOICE OF FINISHES
Luxurious white and piano black lacquer finishes join
video silver and a selection of real wood veneers to
make décor-matching easy. To fine-tune the décor match,
perforated metal grilles are supplied in black and silver
with all finishes except white lacquer where the choice
is between silver and white grilles.
25MM GOLD C-CAM® TWEETERS
Ceramic Coated Aluminium/Magnesium was developed
originally by the aerospace industry for use as blades in
jet engines. It exhibits ideal qualities for use as a tweeter
dome, avoiding the ‘break-up’ or bending distortions
produced by more conventional materials.
MMP® MK 2 BASS-MID DRIVERS
Monitor Audio’s second generation Metal Matrix
Polymer cone material now uses a high-pressure
injection moulding process to achieve different
thicknesses at desired points of the cone’s geometry.
Greater cone stiffness and consistency provide improved
bass and clearer mid-range frequencies.
PERFORMANCE & VERSATILITY
Radius R90 in Walnut Veneer

RADIUS 45
The smallest speaker Monitor Audio has ever made.
Inspired by decades of design excellence, the Radius 45
represents Monitor Audio innovation at its most
concentrated.
With the R45 you’re assured the quality and
craftsmanship of our reference loudspeakers combined
with the versatility that comes with the Radius range.
The diminutive Radius 45 is a speaker with a
size-defying performance. Its secret is a rear-
firing gold C-CAM® tweeter, which spreads and
magnifies the sound around the room to create an
impressive effect. Designed to dovetail with the
Radius 360 subwoofer and available in the Radius
range of real-wood veneer, lacquer and grille colour
options, the super-compact R45 will blend with your
décor in any room you choose. Installing the R45 is easy
with the pivoting die-cast metal wall bracket supplied or via
an elegant stand-mount option.
If you love big sound but cherish your living space,
use the Radius 45 in an ultra-discreet stereo or
multi-channel A/V system and be surrounded
by sound not speakers.
95mm
3 3/4”
<>
95mm
3 3/4”
<>
95mm
3 3/4”
<>
Radius R45 in White Lacquer

RADIUS 90
Radius 90 is a high-class mini monitor. In contrast with
the stark metal appearance of most A/V satellites, it
has the same sumptuous real wood veneer and lacquer
finishes that grace Monitor Audio’s reference
speakers. It offers the same engineering standards
and attention to detail as well, right down to the
radius-edged corners of the cabinet and high-quality,
gold-plated cable terminals.
Unprecedented enclosure rigidity and leading edge drive
unit technology combine to produce clarity, dynamics and
imaging abilities that are unparalleled in a speaker of this
size.
Use the R90 as a stereo speaker or blend R90s with the
R180 or R225 in the centre channel position. Underpin the
system with the rich deep bass of the R360 or R720 for
stunning stereo and surround sound.
“The obvious prowess of this tiny speaker was frankly a
surprise; the sound is extremely animated, enjoyable
and engaging, yet excellent in conventional hi-fi respects
too, such as tonality, high and low frequency extension
and imaging.”
- Hi-Fi World
120mm
4 3/4”
<>140mm
5 1/2”
<>
190mm
7 1/2”
<>
Radius R90 in Piano Black Lacquer

RADIUS 180
The slightly larger Radius 180 adds more bass to the
R90’s irresistible blend of virtues. It can be installed
vertically as a main, side or rear speaker, or horizontally
as a centre channel speaker in a multi-channel music
or movie system.
Its enhanced bass performance makes it the
perfect choice as a standalone speaker where a
subwoofer isn’t required. When combined with a
Radius subwoofer however, the R180 forms part of a
formidably powerful stereo or multi-channel home
cinema system.
As with the R90, the R180 is supplied with a high quality
die-cast metal wall bracket and a choice of black and silver
grilles. For white lacquer finishes, white and silver grilles
are supplied. The elegant and optional Radius floor-stand
provides further positional flexibility.
“You feel the impact of every crash and gunshot
without it making your ears bleed. The 180 is finely
matched, and the whole package produces a cohesive
portrayal of surround steering effects”
- Home Cinema magazine
120mm
4 3/4”
<>95mm
3 3/4”
<>
350mm
13 3/4”
<>
Radius R180 in Video Silver

RADIUS 225
By virtue of its very shallow depth, the Radius 225 is
ideal for use with slim video displays or 40-43” Plasma
TVs, as a centre channel or main speaker. The sheer
quality of its design provides the wonderful accuracy of
Monitor Audio’s reference speakers, but its impressive
size-defying bass performance can be further extended
with the addition of a Radius active subwoofer. Use
the R225s with the R360 or R720 to create a compact,
perfectly matched yet sonically exhilarating
audio/video speaker system.
Supplied with full-length black, silver or white grilles, and
in the comprehensive Radius range of finishes, the R225
can be customised to complement its environment from
wall-mounted positions, via the slim-profile bracket
supplied, or from the desktop using the optional stand.
“This is an extremely fast sounding system and every
transient is dealt with razor-sharp precision. These are
disappearing speakers, not just because of the narrow
profile. Instead, the speakers produce a sound that makes
them ‘disappear’.”
- Essential Hi Fi & Home Cinema magazine
120mm
4 3/4”
<>105mm
4 1/8”
<>
610mm
24”
<>
Radius R225 in Video Silver

RADIUS 250
The outstandingly elegant and slender Radius
250 has been designed to be sited vertically or
horizontally with larger 42, 50 and 60-inch plasma
displays. Providing bass right down to 50 Hz, it can
be used as a centre, main, side or rear speaker in a
multi-channel music or movie system. At just 95mm
deep, its suitability for plasma screen applications or
where space is at a premium is undeniable.
The Radius 250 employs the R225’s driver
configuration in a larger cabinet. Its enhanced bass
performance makes it a desirable space-efficient
hi-fi satellite for any room. Add the R360 or R720
subwoofer for even deeper bass definition and
further R250s or R225s in surround sound positions to
capture all the dramatic impact of multi-channel
music and movie sound. Now you can enjoy the unity
of high definition picture and high definition sound
with a system that enhances the look of your room.
120mm
4 3/4”
<>105mm
4 1/8”
<>
760mm
29 15/16”
<>
Radius R250 in Piano Black Lacquer
“What’s even more surprising is that the R250 can be
used on its own, without a subwoofer. How Monitor got so
much low bass out of these tiny drivers and a cabinet only
4.75 inches wide and 4.25 inches deep, I have no idea.”
- Brent Butterworth, Digital TV

RADIUS 270
At just 12cm wide, the Radius 270 is a super-slim
floor-standing loudspeaker designed for genuine
full-range performance in a serious stereo or multi-
channel audio/video system. The R270 employs an
array of technical developments derived directly from
Monitor Audio’s award winning reference speaker
ranges. Excellent fidelity and an elegant profile
provide the opportunity to enjoy great sound and
discreet design all in one package. Real wood veneer
and lacquer finishes add a lustrous appeal, giving
the Radius 270 a tactile sense of quality that feels at home
anywhere.
Use the R270 as a stylish hi-fi speaker or with the R225
or R250 satellites and the R720 subwoofer as part of a
room-friendly, high performance multi-channel music
or movie system.
Radius R270 in Piano Black Lacquer

RADIUS 360
By any standards, the Radius 360 is a remarkable
product. This super-compact subwoofer has the speed,
subtlety and pitch accuracy to enhance the highest
quality music reproduction. It can also deliver the power
and slam demanded by movie soundtracks by virtue of its
downward-firing 8-inch driver, controlled by a powerful
built-in 100 watt amplifier.
The Radius 360’s weight and solidity belie its svelte
dimensions, which are so vanishingly compact that the
R360 can remain unobtrusive wherever you place it.
“Pleasingly the Radius sub has the virtue of
responding well at average settings – the kind you might
begin with by default. When running properly, the bass is
well integrated, taut, tuneful with respectable
extension.”
- Home Cinema Choice Magazine
Radius R360 in Video Silver

RADIUS 720
The Radius 720 subwoofer proves that diminutive
dimensions and dynamite performance are not mutually
exclusive.
An evolution of the super-compact R360
subwoofer, its twin downward-firing 8-inch drivers
and powerful 250 watt amplifier combine to underpin
music and movie sound with a deep bass presence
that adds definition and scale to every performance. It is
agile enough to bring a sense of momentum to complex,
fast moving bass lines, and ruggedly efficient in its
delivery of plummeting bass transients. Most
remarkable of all though is its ability to provide an
explosive bass charge with an ease and authority
unprecedented for its size.
The R720’s versatile control settings, compact
dimensions and a choice of lacquer, video silver and
wood veneer finishes make it the perfect partner for
all Radius loudspeakers. In harmony with the Radius
philosophy, its design will blend beautifully with any
environment.
Radius R720 in White Lacquer

RSW-12
The RSW-12 active subwoofer provides another
stunning dimension to the Radius sound. Its
12-inch (300mm) C-CAM® front-firing driver,
powered by a potent 500 watt digital amplifier,
will extend the reach of all the Radius speakers
to add the deepest drama to movies and music.
The RSW-12’s lowest frequencies are controlled so
expertly that even subtle effects are better
defined, enhancing the Radius experience with
bass you can feel as well as hear.
We’ve seen the the RSW-12 before - it’s part of the award-
winning RS6 AV surround speaker package......dramatic
levels of extension and drive; fast, agile balance; great
timing and punch... beautifully finished...the results
border on the awesome for the money...this is one sub
you won’t want to hide.
- What Hi-Fi Sound and Vision - May 2006
Rsw-12 in Piano Black Lacquer

Frequency
Response
Sensitivity
(1W@1m)
dB
Nominal
Impedance
(ohms)
Power
Handling
watts
(R.M.S)
Drive Unit
Complement
External
Dimensions -
Excluding Plinth
H x W x D
mm (inch)
Weight kg (lb)
Bass
Alignment
Power Output
watts
(R.M.S)
60Hz – 25kHz
87dB 60W 350 x 120 x 95
(13 3/4 x 4 3/4 x 3 3/4)2.3 (5)
8Ω
120Hz – 20kHz
87dB 25W
1 x 3/4” C-CAM®
gold dome, rear-firing
tweeter. 1 x 3” MMP®2
mid-driver
95 x 95 x 95
(3 3/4 x 3 3/4 x 3 3/2)0.95 (2)
8ΩSealed Cabinet
R45
55Hz – 25kHz
90dB 120W 610 x 120 x 105
(24 x 4 3/4 x 4 1/8”) 4.2 (9 1/4)
8Ω
340 x 340 x 370
(13 3/8 x 13 3/8 x 14 1/2)
10 (22)
R225
R270
R180
R90
21Hz-120Hz
1 x 12” C-CAM®
driver featuring triple
suspension and 4”
long-throw voice coil.
Vented chassis design.
25.5 (56)
Sealed cabinet.
Rsw-12
Front Ported Bass
Reflex
R250
925 x 120 x 140
(36 7/16 x 4 3/4 x 5 1/2)
Inc Plinth
500W @ 4Ω
---
85Hz –25kHz
87dB 60W 190 x 120 x 140
(7 1/2 x 4 3/4 x 5 1/2)2 (4 1/2)
8ΩRear Ported,
Bass Reflex
RADIUS SERIES SPECIFICATIONS Video Silver Black Lacquer White Lacquer
Rosemah veneer Walnut veneer Cherry veneer
Wood Veneer & Lacquer
Finishes
13.9 (30 1/2)
R360
325 x 225 x 320
(12 3/4 x 8 7/8 x 12 5/8)
20.1 (44 1/5)
R720 455 x 225 x 480
(17 15/16 x 8 7/8 x 18 7/8)
Front Ported Bass
Reflex
1 x 1” C-CAM®
gold dome tweeter.
1 x 4” MMP®2
mid-driver
1 x 1” C-CAM®
gold dome tweeter.
1 x 4” MMP®2
mid-driver
1 x 1” C-CAM®
gold dome tweeter.
2 x 4” MMP®2
mid-driver
Recommended
Amp
Requirements
watts
(R.M.S)
10 - 100W
5 - 50W
40 - 140W
10 - 100W
-
-
-
-
System Power
Handling
watts
(R.M.S)
Maximum
SPL
(dBA)
100W
50W
140W
100W
105dBA
101dBA
108dBA
105dBA
50Hz – 25kHz
90dB 120W 760 x 120 x 105
(29 15/16 x 4 3/4 x 4 1/8”) 4.3 (9 1/2)
8ΩTwin, Front
Ported Bass
Reflex
1 x 1” C-CAM®
gold dome tweeter.
2 x 4” MMP®2
mid-driver
40 - 140W
-140W 108dBA
50Hz – 25kHz
89dB 120W
8ΩFront Ported Bass
Reflex
1 x 1” C-CAM®
gold dome tweeter.
2 x 4” MMP®2
mid-driver
40 - 140W
-140W 107.5dBA
27Hz – 180Hz
25Hz – 180Hz
100W @ 4Ω
250W @ 4Ω
Downward
Ported Bass
Reflex
Rear Ported Bass
Reflex
---
---
---
---
1 x 8” ultra
long-throw sub bass driver.
Hand treated paper cone
woofer
2 x 8” ultra
long-throw sub bass driver.
Hand trested paper cone
woofer
---
Rsw-12 in Piano Black Lacquer

For details of your nearest Monitor Audio dealer visit our website at:
www.monitoraudio.co.uk
T. [phone]
E. [e-mail]
www.monitoraudiousa.com
T. 905 428 2800
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