Pacific
Evolution
Series
Instruction Manual
BRITAIN'S MOST FAMOUS LOUDSPEAKERS
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Connecting Your Loudspeakers
Using separate cables for treble and bass units in a Bi-Wiring configuration reduces intermodulation
effectsandimprovesheadroomandclarity. Tobi-wire, youwillneedtoinstalltwolengthsoftwincore
cablebetweentheamplifierandeachloudspeaker.
Unscrew each terminal a few turns and remove the metal straps. Connect the cables between the
amplifierandtheloudspeakersasindicatedaboveandre-tightenalltheterminalssecurely.
Note:Someamplifiershavetwopairsofoutputterminalstofacilitatebi-wiringbutthisisnotessential.
Theadvantagesofbi-wiringarefullyretainedifyouramplifierhasonlyonepairofoutputterminalsper
channel(asintheillustration).
Bi-Amplifying (Bi-Amping)
By connecting each loudspeaker drive unit to its own dedicated amplifier the advantages of Bi-Wiring
canbeextended.Ifyouowntwoidenticalstereopoweramplifiers,yourPacificEvolutionspeakersmay
beBi-Amped.Forfurtherdetailspleaseconsultyourdealer.
Chooseasuitablelengthoftwincorespeakercableforeachchannel,andpreparetheendsasdescribed
above.Unscreweachterminalafewturnsbutleavethestrapsinplace.
CentreChannelandSurroundLoudspeakerConnections
The Pacific Evolution Centre and DFS Surround loudspeakers are intended for use specifically with
Audio Visual equipment having Centre and Rear loudspeaker outputs. Connect these loudspeakers as
shown,againobservingpolarity.TheCentrechannelspeakermaybeconnectedasshown,orbi-wired.
Connectthered, positive(+ )terminaloftheLeftloudspeakertothecorrespondingred, positive(+ )
amplifierterminal. Connecttheblack, negative(-)terminalssimilarly. Tightentheterminalssecurely.
RepeatthisprocedurefortheRightChannel.
Youmayconnecttheloudspeakersusingeithertheupperorthelowerpairofterminals.
Bi-Wiring Connections
Positioning Your Loudspeakers
If the loudspeakers are placed too close to the walls the bass will increase but may be boomy and
indistinct. If the loudspeakers are placed further away from the walls, the inward angle may be
increased by up to 40%, although this may restrict the width of the optimum listening position. The
speakers should ideally be positioned so that the treble units are roughly at ear level to a seated
listener. As personal taste plays a large role, experiment with different configurations and play a wide
rangeofprogrammesbeforefinalisingthepositionofyourspeakers.
ConventionalLoudspeakers
Pacific Evolution 20, 30 and 40 are designed to be floor standing. We suggest you position them at
least200mmfromtherearwallsand700mmfromthesidewalls, facingslightlyinwards. ThePacific
Evolution 8 and 10 should ideally be stand or wall mounted though they may be placed on a rigid
shelf. The bass extension will improve if these speakers are operated closer to the rear walls. A useful
ruleofthumbisthatthelistenershouldbeasfarfromtheloudspeakersastheyarefromeachother.
PacificEvolutionCentreLoudspeaker
This loudspeaker should be positioned centrally
between the loudspeakers close to the television and
mountedeitheraboveorbelowthescreen.
The loudspeaker should be located on a stable flat
surface to avoid any danger of the cabinet moving
when it is vibrated by high sound levels. If you mount
theunitontopofthetelevision,moveitforwardsothat
the front grilles are level with or slightly in front of the
screen. This will reduce reflections from the screen and
thetopofthecabinet.
Althoughyoucanplacethecentrechannelloudspeaker
under the TV monitor, this should always be regarded
as second best. The preferred position is always above
themonitor,asshown.
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ThePacificEvolutionDFS-20SurroundLoudspeaker
Connect the cable to the speaker. The speaker should ideally be sited 600 mm-1.5 metres above the
listening position and 2.5-3.5 metres apart, central to the listener and behind the listening position,
preferably on a rear wall. If the listening position is some distance from a rear wall, the loudspeakers
maybemountedonoppositesidewallsbutalwaysbehindthelisteningposition.
Ensure that the wall is sound and can support the product. Drill two 5mm holes in the wall 160mm
apart and horizontally aligned. Fix a suitable No 8 round head screw firmly into each hole using
appropriatewallplugs. Leaveastubof5mmprotrudingfromthewall.Aligntheholesinthemounting
bracketsoverthescrewheadsandcarefullylowertheunitontothescrews. Thespeakershouldnowbe
securelyattachedwiththespacersrestingagainstthewall.Nowconnectthespeakerstotheamplifier.
Note: For those unable to wall mount the DFS-20, you should consider using a suitable pair of floor
standsofappropriateheight.Consultyourdealerforadvice.
channelsarereproducedatequalloudness.
FrontandEffectsChannels
On some programme material the surround channel may seem
lower than the front. Do not readjust this level. You may,
however, need to adjust the subwoofer output level. Avoid
setting too high a level or you will swamp the sound with bass
whichbetiringtolistentoandmaylimitthesubwoofer’sability
to respond to large bass transients. You should also set a
sensiblelevelgoingintothesubwooferfromtheAVprocessor.
Thefrontloudspeakersareplacedoneithersideofthetelevision
screen, 2 to 3 metres apart. The speakers should be angled
slightlysotheyareaimedtowardsthelisteners.
As the rear surround channels are the ‘effects’ channels the
reproduced sound should be as room filling as possible. We
recommendplacingthespeakersinahighposition, behindthe
listener’s head and angled towards the listener. If the rear wall
ismorethan1metrebehindthelisteningseat,positiontheunits
on the side walls. If the walls are a long way from the listening
seat,considerstandmountingtheloudspeakers.
DelaySettings
ManyAVprocessorsfeaturedelaysettings.Thepurposeofdelay
is to enable surround and dialogue information to arrive at the
listener’s ears at the same time as the Front channels, even
whenthelisteningseatisinanon-idealposition.
Most of the dialogue comes from the centre loudspeaker.
Speech should appear to originate from the actors’ mouths.
Operating height is important. Ideally the front and centre
channelspeakersshouldbeatthesameheight. Forthisreason
the centre channel speaker is best operated on top of the
television monitor. The front faces of the centre and surround
loudspeakersshouldalsobeinlineasfaraspossible.
Rear Delay: If the listening position is equidistant from the
Front and Rear speakers, a low delay setting should be set. The
closer the listener is to the Rear speakers the higher should be
thedelaysettingused,
Centre Delay: If the Centre speaker is level with (or slightly
behind) the Front speakers, set the delay to zero. If the Centre
speakerisforwardoftheFrontspeakers,increasethedelay.
Subwoofer
As the ear is unable to detect the direction from which deep bass
originates, this allows you freedom to position the unit. Varying
the distance from the wall alters the bass. Placing the subwoofer
acrossacornerbooststhebassbutmayimpairclarity.
LFE
InthecinematheLowFrequencyEffectschannelisanextrabass
channel with its own subwoofer and not a regular subwoofer
channel. In domestic systems the LFE channel typically feeds
into the subwoofer. Where no subwoofer is used, the LFE signal
is combined with Front Channel information. When you set the
LFE level at your AV processor, use care as the powerful low
frequenciescanoverloaddomesticloudspeakers.
If you hear popping or thumping noises coming from the front
loudspeakersorsubwoofer,immediatelyturntheAVProcessor's
volume level down and then back off the LFE level. This should
curetheproblem. Ifitdoesnot, backoffthevolumelevelatthe
subwoofer(ifyouareusingone)untiltheproblemdisappears.
The performance of Home Theatre systems can often be
enhancedbyusingapairofsubwoofers.
SettingLoudspeakerSizes
Many digital AV Processors require you to specify the size of
speakers inallchannels.Theseareusually‘Large’or‘Small’.
Always choose 'Small' for the Surround channels and Centre
channelwhetheryouareusingasubwooferornot.
If you are not using a subwoofer: Set the Front Speakers to
‘Large’. Set the ‘Subwoofer’ option on the processor to 'Off' or
‘No'. TheFrontchannelswillnowreceiveallthesystembass.
Please read the relevant sections of your AV amplifier manual
and familiarise yourself with the various issues. If you are
unsure,consultyourdealerforhelp.
If you are using a subwoofer: When set to ‘Small’ all the
system bass will go into the subwoofer. If you choose ‘Large’
the Front channel bass will be reproduced from the Front
speakers. Bookshelf speakers should be set to ‘Small’, large
floorstandingunits maybesetto‘Large’.
Phase
A Home Theatre system should have a precise front stage, a
diffuse rear stage and good localisation of dialogue. If the
colours on the loudspeaker terminals do not correspond with
thoseontheamplifier, thesoundwillappearpoorlyfocussedor
‘out of phase’. For this reason it is essential that the speakers
areconnectedaccordingtothewiringdiagramsinthismanual.
SettingLevels
Once the loudspeaker settings have been finalised, put the AV
amplifier into its “Test” mode (see instructions supplied with
yourprocessor). Adjustthelevelofeachchannelinturnuntilall
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Thetermsofyourguaranteemayvaryindifferentcountriesbutinallcasestheguaranteeexcludes:
Care And Maintenance
Ifyouplaythespeakerswiththegrillesoffexercisegreatcare.NEVERtouchthedriveunitswhichare
easilydamaged.
Alldamagecausedthroughaccident,misuse,wearandtear,neglect,incorrectinstallation,adjustment
orrepairbyunauthorisedpersonnel.
Liabilityfordamageorlossoccurringintransittoorfromthepurchaser.
The loudspeaker cabinets can be cleaned with a damp cloth or with a spray furniture polish and a
soft cloth. Apply the spray sparingly to the cloth and then polish the cabinet. Never apply spray
directlytothecabinet.
Wharfedale will not be liable for any consequential damage, loss or injury, arising from or in
conjunctionwiththisequipment.
Conclusion
Guarantee & Service
In the unlikely even that your unit develops a fault you should return it to your Wharfedale dealer
usingtheoriginalpackingtoensuresafeshipping.
The Pacific Evolution series is just one of an extensive and world-acclaimed range from Wharfedale,
oneoftheworld’soldestandmostdistinguishedloudspeakermanufacturers.Thankyouforpurchasing
Wharfedale;wehopethisproductbringsyoumanyyearsofreliableserviceandgoodmusic.
Troubleshooting
Ifyoursystemappearsnottobeworkingaswellasyouexpect,thefollowingnotesmaybe
Pleasereadthismanualtogetherwithallthemanualsconcerningtherestofyoursystem.
ofsomehelp.
If, havingattemptedtoresolvetheproblem, thetroublestillpersists, consultyourdealerfor
assistance.
Beforeinvestigatingthecauseofaproblem,alwaysswitchoffthesystematthemains.
PleasebearinmindthatHomeTheatresystemscanbequitecomplexandthereisoftena
varietyoffactorsinvolved.
DoNOTtrytoremoveanycoversontheproductorattempttodismantleitinanyway. There
arenouserserviceablepartsinsideandyouwillinvalidateanywarranty.
Symptom
Possible Cause
No Sound
System not switched on
Wrong source selected
Sound lacks bass content
Loudspeakers wired incorrectly
Bass reproduction muddy or indistinct
Front speakers set to ‘Small’ with no subwoofer connected
Excessive bass distortion at low volume levels
Bass level set too high
LFE level set too high
Excessive or distorted bass at high volume levels
Distorted or rattling sounds at high volume levels
Popping sounds or thumps from Front speakers or subwoofer
System level set too high
Front loudspeakers or subwoofer too close to room corners
System level set too high
Objects placed on Front loudspeakers or subwoofer
System level set too high
LFE level set too high: Subwoofer level set too high
Indistinct sound
One or more loudspeakers is out of phase
Poor localisation of effects
(See the relevant pages of this manual for the correct connection procedure)
Television picture is distorted or there is colour distortion
Front loudspeakers or subwoofer too close to the TV. (Switch off the system and TV. Move loudspeaker
away. Leave 15 mins. Switch on again)
Furth e r h e lp a n d a d vice
A wide range of AV and audio topics can be found at the Wharfedale web site.
Home Theatre is discussed in depth at the Dolby Laboratories web site.
The Digital Theater Systems web site is also full of interest and worth a visit.
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Specifications and Service
Pacific
Evolution
DFS-20
Pacific
Pacific
Pacific
Pacific
Pacific
Pacific
Evolution
Centre
Evolution
Evolution
Evolution
Evolution
Evolution
8
10
20
30
40
6 Ohms
25-125 Watts
87 dB
6 Ohms
25 -125 Watts
87 dB
6 Ohms
25 -150 Watts
87 dB
6 Ohms
30 -200 Watts
89 dB
6 Ohms
30 -200 Watts
89 dB
8 Ohms
25 - 100 Watts
89 dB
6 Ohms
25 - 200 Watts
90 dB
Nominal Impedance
Recommended Amplifier
Sensitivity (1W@1m)
Frequency Response
Bass Unit
50 - 20 kHz
130 mm
40 - 20 kHz
170 mm
35 - 20 kHz
170 mm
35 - 20 kHz
170 mm
30 - 20 kHz
170 mm
80 - 20 kHz
2 x 130 mm
70 - 20 kHz
2 x 125 mm
170 mm Bass-Mid 170 mm Bass-Mid
25mm Textile
25mm Textile
Midrange Unit
25mm Textile
25mm Textile
25mm Textile
25mm Textile
2 x 25mm Textile
Treble Unit
Dimensions Overall
H x W x D mm
H x W x D inches
330 x 185 x 335 380 x 227 x 343 850 x 227 x 343 880 x 229 x 403 1070 x 229 x 403 180 x 422 x 296 365 x 352 x 160
13.0 x 7.3 x 13.2 15.0 x 8.9 x 13.5 33.5 x 8.9 x 13.5 34.6 x 9.0 x 15.9 42.1 x 9.0 x 15.9 7.1 x 16.6 x 11.6 14.4 x 13.9 x 6.3
Wharfedale Pacific speakers are compatible with 4 and 8 Ohm amplifiers
Authorised Wharfedale Service Centres
UK
Wharfedale International Ltd.
IAG House, Sovereign Court,
Ermine Business Park,
Huntingdon,
Cambs PE29 6XU,
England.
Tel:+ 44 (0)1480 447700
Fax: + 44 (0)1480 43176
Loudspeaker Manufacturers since 1932
In 1932, when Gilbert Briggs founded the Wharfedale Wireless Works, his company was at the
1932
leading edge of an exciting new technology which was dedicated to bringing the pleasure of
music and entertainment to a wide range of people. As the technology advanced Wharfedale
gave many music lovers their first taste of High Fidelity, mounting a series of live sound
demonstrations which excited the audio world and heralded the era of the modern hi-fi
loudspeaker.
USA
IAG America, Inc.
15 Walpole Park South
Walpole
MA 02081
Tel: + 1 508 850 3950
CANADA
Korbon Trading Ltd
6800 Kitimat Road
Units 19-20
Mississauga
Ontario
Today Wharfedale still takes the same uncompromising approach to the design and manufacture
of every loudspeaker system, using high quality components and state-of-the-art testing to
ensure consistently high performance. And that means that you can continue to count on the
quality of all Wharfedale products.
Tel: + 1 905 567 1920
For information on other authorised service centres worldwide contact
Wharfedale International in the U.K.
A worldwide distributor list is available on the Wharfedale website:
www.wharfedale.co.uk
The name ‘WHARFEDALE' is a registered trademark of Wharfedale International Limited.
Wharfedale has a policy of continuous product development and reserves the right to change
specification without notice.
Wharfedale is a member of the International Audio Group.
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