D U A L C O N C E N T R I C™
O W N E R ’ S
M A N U A L
Tannoy adopts a policy of continuous improvement and product specification is subject to change.
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CABLE CHOICE
WARNING:
Always use the best quality of cable available within your budget. High quality audio signals passing
from the amplifier to the loudspeaker are unusual in their demands on the cable. Wide dynamic range
and frequency bandwidth information has to coexist with the ability to transmit peak currents of at least
10amps, without incurring any loss or signal impairment. This explains why the sound quality of the
information reproduced by the loudspeakers is so dependant on the physical properties of the cables
connecting them to the amplifier.
ENSURE THAT THE SPIKES ARE LEVELLED AND THAT THE LOCK NUTS ARE TIGHTENED FIRMLY.
THE SPIKES SHOULD BE PUSHED THROUGH THE CARPET TO LOCATE INTO THE FLOORING
SURFACE BY APPLYING PRESSURE TO THE TOP OF THE CABINET.
IF USING ON A SENSITIVE FLOOR SURFACE PLACE THE PROTECTIVE CUPS UNDER THE LEVELLED
SPIKES.
FAILURE TO DO SO COULD RENDER THE SPEAKER UNSTEADY AND RESULT IN DAMAGE OR
INJURY SHOULD IT BE KNOCKED OVER.
We would recommend that you always keep the cable runs the same length for each speaker.
Remember, cable construction can affect the sound quality so be prepared to experiment to find a
cable that suits your ear and audio system.
STAND MOUNTING MODELS
TERMINAL PANEL
Stand mounting or bookshelf speakers should be located securely on stands or a shelf in an appropriate
position to place the SuperTweeter™ high frequency unit roughly at ear height when seated in the
chosen listening position. Positioning recommendations for stand-mounted speakers can be found
under the section entitled Positioning and fine-tuning.
An exclusive five way terminal panel has been designed for the Eyris Dual range to optimise performance
further by take advantage of the driver earthing facility. Use a shielded or screened loudspeaker cable;
connecting the screening termination to the earth or 'ground' (green) terminal on the loudspeaker and
to the ground or earth connection on the amplifier. Alternatively if you are not using a screened
loudspeaker cable but wish to utilise the earthing facility, run a single cable between the earth or
'ground' (green) terminal on the loudspeaker to the earth (ground) connection on the amplifier.
(See fig.3)
WALL MOUNTING REAR CHANNEL SPEAKERS
The Eyris DC1 has been designed to act either as a stand mount stereo pair or as stand or wall mount
rear speakers in a multi channel system configured for home cinema applications. The speaker is
provided with threaded inserts in the rear panels to accommodate the fixing hardware for an OmniMount™
type speaker wall bracket. This widely available design of bracket allows the speaker to be angled to
provide the best acoustic performance from the rear soundstage.
UNPACKING
To unpack the loudspeakers from their boxes remove tape from the top then fold the flaps right back
before inverting the carton and contents. Lift the carton clear of the contents then remove all inner
packaging.
WARNING:
IT IS ESSENTIAL TO SELECT THE CORRECT TYPE OF SCREWS AND FIXINGS TO SUIT THE
CONSTRUCTION MATERIAL OF THE WALL ONTO WHICH THE SPEAKER IS TO BE MOUNTED.
ENSURE THAT THE OMNIMOUNT™ HANGING BRACKET IS FIXED TO THE WALL IN A SECURE
MANNER; FAILURE TO DO SO COULD RESULT IN DAMAGE OR INJURY SHOULD THE SPEAKER
BECOME DETACHED IN USE.
It is strongly recommended that you store all the packaging to allow protected transportation in future.
(See fig.1)
WARNING:
WHEN UPACKING THE EYRIS DC MODELS NOTE THAT THE SUPERTWEETER IS MOUNTED IN
THE EXTRUSION ON TOP OF THE CABINET - TAKE CARE NOT TO TOUCH THE TWEETER DOME
ITSELF AS IRREPARABLE DAMAGE WILL OCCUR.
SEEK PROFESSIONAL ADVICE IF YOU ARE UNSURE WHICH WALL FIXING IS BEST SUITED TO
YOUR PROPOSED MOUNTING LOCATION.
PROTECTIVE TWEETER GRILLES ARE FACTORY FITTED TO PROTECT THE DELICATE DOME (THEY
ARE HELD IN PLACE BY MAGNETISM), WITH AN ADDITIONAL CARD RETAINER SECURING THIS
MESH GRILLE IN PLACE DURING TRANSIT.
INSTALLATION
To avoid potential damage to your loudspeaker, ensure that the amplifier is switched OFF prior to
connecting or disconnecting any cables. Before switching on double check that all connections are
secure and that polarity is correct.
PLEASE REMOVE THIS CARD DURING THE INSTALLATION PROCESS.
FLOOR STANDING MODELS
The spiked metal feet, designed to extend the footprint of the speakers to aid stability and provide an
efficient acoustic coupling with the floor, are in an accessory kit packed in the end of the box. To fit
these, lay the speaker down gently on its back and align a slot in a metal foot to one of the threaded
inserts located in the base. Insert the bolt supplied, noting the correct positioning of the two washers,
and tighten firmly while pushing the foot against the sidewall of the cabinet ensuring there is no
unwanted movement.
Repeat the process with the remaining three feet.
Eyris floor-standing models perform best with carpet piercing spikes fitted. These are supplied, along
with lock nuts, and should be inserted into the threaded holes in the base of the metal feet. Level the
speaker and then tighten the lock nuts firmly but without using undue force. Spike locating cups are
provided in the accessory pack and these may be used to protect sensitive floor surfaces. (See fig.2)
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5
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CONNECTION IN SINGLE WIRE MODE
BI-AMPING
The terminal panels have captive link bars fitted as standard to link the positive and negative HF and
LF terminals respectively. These must be removed to bi-wire the speakers - see section entitled Connection
in Bi-wire mode. (See fig. 4)
Bi-Amping extends the principle of bi-wiring one stage further. In this connection option separate power
amplifiers are used for bass and treble signals in each loudspeaker. Four mono (or two stereo) amplifiers
of the same type are required for a stereo pair of loudspeakers. Ensure that the cable links between
the loudspeaker terminals are removed and that correct polarity is maintained throughout.
For optimum performance in single wire mode, loudspeaker cable connections from the amplifier
should be made to the high frequency (HF) terminals of the loudspeaker:
If two stereo amplifiers are used, it is recommended that one amplifier supply bass information to left
and right loudspeakers and the other, the treble information. (See fig. 6)
* The positive (plus) terminal on the amplifier left channel (marked + or coloured red) must be connected
to the positive HF terminal on the left speaker. The left speaker is the one on the left as you look at
the stereo pair from your listening position.
CONNECTION OF EARTH OR 'GROUND' LEAD
Use of a shielded or screened loudspeaker cable will offer further performance advantages when used
with the five-way terminal panel. The screening termination should be connected to the earth or ground
(green) terminal on the loudspeaker and to the ground or earth connection on the amplifier. Alternatively
if you are not using a screened loudspeaker cable but wish to utilise the earthing facility, run a single
cable between the earth or 'ground' (green) terminal on the loudspeaker to the earth (ground) connection
on the amplifier.
* The negative (minus) terminal on the amplifier left channel (marked - or coloured black) must be
connected to the negative HF terminal on the left speaker.
* Repeat this connection process for the right speaker. Remember that the positive (+ or red) on the
amplifier must be connected to the positive (+ or red) on the speaker and the negative (- or black)
to negative.
* Select a signal source, such as a CD player; switch on the amplifier and slowly turn up the volume
control to check that both loudspeakers are reproducing bass and treble information.
It is essential that the coupling link cables between the loudspeaker terminals be removed.
Avoid potential damage to your amplifier - ensure that all connections are secure and the polarity is
correct in all wiring. (Method illustrated on all terminal panel sketches)
CONNECTION IN BI-WIRE MODE
Please note in bi-wire mode that the link bars must be removed. Unscrew the knurled nuts on both
the positive and negative HF and LF terminals and remove the link bar and then replace the colour-
coded nuts, as they will be required to clamp the bi-wire cables in place. Retain the link bars in a safe
place for possible future use.
POSITIONING AND FINE-TUNING
To get best results from your new Tannoy Eyris DC loudspeakers it is worthwhile spending a little time
finding the optimum set-up configuration.
Begin by angling the speakers towards your chosen listening position, usually this is on the centre line
of the room, so that when seated you can just see the inner side panel of each speaker. The front of
the loudspeaker should not be obstructed in any way. The loudspeakers should be located between
1.5 to 4.5 metres (5ft to 15ft) apart - with the listening position set slightly further away than the
speakers are apart. Avoid positioning the loudspeakers in corners of the room, as this will have a
negative effect on performance. Ideally, maintain a distance of at least 0.5 metres (20 inches) from
the rear wall, and 1 metre (39 inches) from the side.
* Be sure that the amplifier is switched OFF and then prepare the two sets of cabling for each 'side'
of the system separately. Measure and cut four lengths of cable, two per speaker.
Label two of the cable lengths Left LF and Left HF (low frequency and high frequency) then repeat
this process for the right pair.
* If your amplifier is not equipped with separate output terminals for bass and treble information then,
at the amplifier end of the cables, twist the Left LF+ (positive) and the Left HF+ (positive) together.
Connect these to the amplifier Left channel positive terminal marked + (plus) or coloured red.
With the speaker in its listening position, rock the loudspeaker gently from side to side so that the
spikes find their way through the weave of the carpet and on to the solid surface below. Once fine
adjustments have been made to the spikes, to level the loudspeaker and ensure stability, tighten the
lock nuts firmly but without using undue force. (See fig. 7)
Twist the Left LF- (negative) and the HF- (negative) cables together and connect them to the amplifier
Left channel negative terminal marked - (minus) or coloured black.
At the loudspeaker end connect the cables labelled Left LF+ and Left LF- to the left hand loudspeaker
LF terminals, ensuring that you note the polarity markings on the cable sheathing.
BASS TUNING
Then proceed to connect the Left HF+ and Left HF- to the HF terminals on the same loudspeaker.
These Eyris DC speakers have been designed for use in rooms with average to good acoustics without
port damper bungs fitted. However, in smaller rooms where loudspeaker positioning is forced closer
to rear or sidewalls, the foam port damper bung supplied in the accessory kit can be inserted into the
reflex port. This will reduce the bass energy but 'speed-up' the sound presentation.
* Repeat this process to connect the right hand loudspeaker to the amplifier right channel output, once
again ensuring that polarity is correct throughout.
* Switch the amplifier on with the volume control set at its lowest setting. Select a favourite source and
slowly turn up the volume to a low level. Check that bass and treble information is being reproduced
from both speakers - if not, switch off the amplifier and recheck the connections. (See fig. 5)
There is no absolute right or wrong here, therefore much will depend on your own musical preferences.
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GRILLES
CENTRE CHANNEL SPEAKER
It is essential that the SuperTweeter™ diaphragms are not touched, any damage will destroy performance
and require specialist repair by your Tannoy dealer. Any such damage will not be covered under
warranty.
The Eyris DCC centre channel speaker is fully magnetically shielded and designed for installation
directly above or below the TV. As the main effects speaker for the front soundstage, the critical factor
in its performance is the placement. In all cases the centre channel speaker should be positioned as
near to the TV screen as possible. The viewing position when seated determines the ideal mounting
height, but in all cases this should be as close as possible to ear height. As with the main speakers
the front baffle panel should be as near as possible in line with the screen surface.
The main Eyris DC grille has been designed to provide acoustic transparency. However, for ultimate
fidelity the enthusiast will appreciate the slight improvement in clarity and detail that is achieved by
removing the grilles during listening.
The Eyris DCC centre channel can be wired in single wire, bi-wire or bi-amp modes. Please refer to
figs. 4, 5 & 6 for connection guidance bearing in mind that connection should be made to the dedicated
centre channel output on your A/V processor amplifier/s.
WARNING:
PROTECTIVE TWEETER GRILLES ARE SUPPLIED FITTED TO THE SUPERTWEETER™ HOUSING.
THEY ARE HELD IN PLACE BY MAGNETISM, SO, IF THEY DO REQUIRE REMOVAL AND
REPLACEMENT PLEASE DO SO EXTREMELY CAREFULLY - NO PRESSURE NEED BE APPLIED
ON REFITTING. TRANSIT PROTECTION CARD SHOULD BE REMOVED DURING INSTALLATION.
WARNING:
ENSURE THAT THE CHOSEN SUPPORT PLATFORM IS STRONG AND STABLE ENOUGH TO TAKE
THE WEIGHT OF THE EYRIS DCC. IT IS NOT RECOMMENDED THAT SPEAKER BE BALANCED
ON TOP OF THE TV OR PLASMA SCREEN.
CARE OF CABINET
The cabinets should only be cleaned with a dry cloth or with a light application of quality non-silicone
furniture polish.
REAR EFFECTS SPEAKERS
The integrity of the special effects soundstage created by the source material will be compromised if
the speakers are installed on the sidewalls, for that reason they should always be placed behind the
main viewing position.
EYRIS DC HOME THEATRE 5.1 - GENERAL INFORMATION
Unlike other forms of encoded surround audio, 5.1 offers full bandwidth capability for the surround
and centre channels, with the ability to treat the subwoofer as a single discreet channel for special
effects playback or, for music applications, as a dedicated low frequency instrument channel. This
places new demands on the surround and centre channel loudspeakers in both the mixing environment
and the playback environment.
The placement of floor standing (Eyris DC3) or stand mounted (DC1) speakers at the rear should mirror
as near as possible the location of the front pair and 0.5 metres (20 inches) from the rear wall. Wall-
mounted loudspeakers (DC1 fitted with OmniMount™ style brackets) should be mounted 1.5 to 4.5
metres (5ft to 15ft) apart with a height mounting height range of 1.5 to 2 metres (5ft to 7ft). Alternatively
the DC1's may be shelf mounted although this may present positional compromises that affect ultimate
performance.
The 5.1 format allows the mix engineer in the recording studio to assign audio information to one or
more discreet channels of playback; providing very vivid and exacting localisation for the apparent
sound sources in the listening environment. To reliably recreate that accurate localisation during
playback, the selection and location of loudspeakers becomes the single most critical issue next to
the talent of the mix engineer in the studio. (See fig.8)
WARNING:
FOR WALL MOUNTING INSTRUCTIONS SEE PAGE 5 AND FIG. 9, WHILST ALSO REFERRING TO
THE MANUAL PROVIDED WITH YOUR CHOSEN OMNIMOUNT™ STYLE BRACKET.
THE SYSTEM
SUBWOOFER
A fully operational 5.1 system consists of two main front loudspeakers, two rear effects speakers at
the rear (usually wall mounted) and a centre channel. The subwoofer provides the .1 part of the system.
As the subwoofer only produces low frequency, therefore monaural information, it is difficult to detect
its location by ear. It could as a result be situated anywhere in the room, but optimum performance
will be gained by locating the subwoofer between the main stereo pair of speakers. Bass output will
increase when placed next to a wall or in a corner so use the subwoofer volume control to balance
the output with the rest of the system.
Total design compatibility, ensuring all models share the same acoustical balance and dispersion
characteristics, means that it is essential that an Eyris DC A/V system is built around only Eyris DC Dual
Concentric™ models (it is not possible to mix in products with other driver types) as the acoustic
integration of each has been optimised only for use as a complete system.
Please refer to the manual supplied with the subwoofer for advice on installation and set-up.
In Home Theatre applications this acoustic benefit provides a very focussed soundstage retaining
natural voicing and ensuring that aural effects and speech localisation 'pan' from left to right and front
to rear seamlessly.
SCREENING
The large magnet assemblies on the loudspeaker drive units of all Eyris DC models are fully screened
to eliminate colour-fringing effects when mounted close to television monitors.
FRONT SPEAKERS
The ultra wide dynamic range and power handling capability of Eyris DC loudspeakers will provide a
stunning home cinema experience. The speakers should be positioned on either side of the TV or
projection screen and then placed in line with the screen surface.
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TECHNICAL SPECIFICATIONS
SET-UP DIAGRAMS
Eyris DC1
Eyris DC3
Eyris DCC
FIG. 1 Unpacking
PERFORMANCE
Recommended amplifier power
Watts RMS
20-150
110
20-175
125
20-175
125
Continuous power handling
Watts Peak
Peak power handling - Watts
Sensitivity (2.83 Volts @ 1m)
Nominal Impedance - Ohms
Low frequency alignment (-6dB)
Frequency response -6dB
325
375
375
88dB
8
89dB
89dB
8
8
39Hz
39Hz-51kHz
34Hz
36Hz
34Hz - 51kHz
36Hz - 51kHz
DRIVE UNITS
SuperTweeter
™
high frequency
25mm (1")
25mm (1")
25mm (1")
25-micron titanium
dome, neodymium
magnet system
25-micron titanium
dome, neodymium
magnet system
25-micron titanium
dome, neodymium
magnet system
Dual Concentric
™
high frequency
low frequency
25mm (1")
25mm (1")
25mm (1")
25-micron titanium
dome, neodymium
magnet system
25-micron titanium
dome, neodymium
magnet system
25-micron titanium
dome, neodymium
magnet system
Dual Concentric
Low frequency
Shielded
™
175mm (7") cast chassis
1 x 175mm (7")
cast chassis
1 x 175mm (7")
cast chassis
1 x 175mm (7")
cast chassis
2 x 175mm (7")
cast chassis
FIG. 2 Installation and Alignment of Feet for Floor Standing Models
Yes
Yes
Yes
CROSSOVER
Crossover frequency
250Hz
1.8kHz
16kHz
250Hz
1.8kHz
16kHz
1.8kHz
16kHz
Crossover Type
1st order LF Dual
@1.8kHz
1st order LF Dual
@1.8kHz
1st order LF Dual
@1.8kHz
1st order HF Dual @
1.8kHz
3rd order SuperTweeter
1st order HF Dual @
1.8kHz
3rd order SuperTweeter
1st order HF Dual @
1.8kHz
3rd order SuperTweeter
™
™
™
@16kHz
@16kHz
2nd order LLF @ 250Hz
@16kHz
2nd order LLF @ 250Hz
CABINET
Enclosure type
Reflex
Reflex
Reflex
Construction
18mm MDF, internally
cross-braced enclosure
30mm front baffle
18mm MDF, internally
cross-braced enclosure
30mm front baffle
18mm MDF, internally
cross-braced enclosure
30mm front baffle
Dimensions - inc grille
mm (inches)
460 x 196 x 260
1023 x 196 x 260
278.5 x 600 x 260
1
3
1
3
3
1
5
1
/
/
/
/
/
/
/
/
(18 x 7 4 x 10
)
(43 x 7 x 10
)
(11 x 23 x 10
)
4
8
4
4
4
4
8
Volume - litres
11
29
21 (37.5)
22
Weight (each) - kgs
Finish options
8.5 (18.7)
22 (20.9)
Sycamore, American
Walnut or Black Ash
Sycamore, American
Walnut or Black Ash
Sycamore, American
Walnut or Black Ash
10
11
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SET-UP DIAGRAMS
SET-UP DIAGRAMS
FIG. 3 DC Terminal Panel
FIG. 5 DC Bi-Wire Mode
HIGH FREQUENCY
HIGH FREQUENCY
NEGATIVE(-) TERMINAL
POSITIVE(+) TERMINAL
TO RIGHT
SPEAKER
LOW FREQUENCY
LOW FREQUENCY
+
-
+
-
NEGATIVE(-) TERMINAL
POSITIVE(+) TERMINAL
TO 'GROUND' OR
'EARTH' CONNECTION
ON AMPLIFIER (OPTIONAL)
L
R
POWER AMPLIFIER
LINKS REMOVED
'EARTH' OR 'GROUND' TERMINAL
FIG. 4 DC Single Wire Mode
FIG. 6 DC Bi-Amp Mode
TO RIGHT
SPEAKER
TO RIGHT
SPEAKER
+
-
+
-
L
R
HIGH FREQUENCY
POWER AMPLIFIER
+
-
+
-
L
R
POWER AMPLIFIER
LOW FREQUENCY
POWER AMPLIFIER
L
R
-
-
+
+
TO 'GROUND' OR
TO 'GROUND' OR
'EARTH' CONNECTION
ON AMPLIFIER (OPTIONAL)
'EARTH' CONNECTION
ON HIGH FREQUENCY
AMPLIFIER (OPTIONAL)
TO RIGHT
SPEAKER
LINKS REMOVED
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13
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SET-UP DIAGRAMS
SET-UP DIAGRAMS
FIG. 7 Recommended Positioning - Stereo Pair
FIG. 9 Position of Omni-Mount Threaded Inserts on the Rear of Eyris DC1
0.5 METRES OR MORE
1.5 TO 4.5 METRES
1 METRE
OR MORE
MOUNTING PLATE
OF OMNIMOUNT™
BRACKET
FIG. 8 Recommended Positioning - Home Cinema
REAR
SUB
REAR
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