Tannoy VLS 7 Manuel utilisateur

Operation Manual

VLS SERIES

Professional loudspeakers

VLS Series Operation Manual rev 1.1.0

Important Safety Instructions

The lightning ash with arrowhead symbol within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated "dangerous voltage " within the

product's enclosure that may be of sucient magnitude

to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the product.

1. Readtheseinstructions.

2. Keeptheseinstructions

3. Heedallwarnings.

4. Followallinstructions.

5. Donotusethisapparatusnearwater.

6. Cleanonlywithadrycloth.

7. Donotblockanyventilationopenings.Installinaccordance

 withthemanufacturer’sinstructions.

8. Donotinstallnearanyheatsourcessuchasradiators,heat

 registers,stoves,orotherapparatus(includingampliers

 thatproduceheat.

9. Onlyuseattachments/accessoriesspeciedbythe

 manufacturer.

10. Useonlywithacart,stand,tripod,bracket,ortablespecied

 bythemanufacturer,orsoldwiththeapparatus.Whena

 cartisused,usecautionwhenmovingthecart/apparatus

 combinationtoavoidinjuryfromtip-over.

11. Referallservicingtoqualiedservicepersonnel.Servicing

 isrequiredwhentheapparatushasbeendamagedinany

 way,suchaspower-supplycordorplugisdamaged,liquid

 hasbeenspilledorobjectshavefallenintotheapparatus,

 theapparatushasbeenexposedtorainormoisture,does

 notoperatenormally,orhasbeendropped.

12. Unplugthisapparatusduringlightningstormsorwhen

 unusedforlongperiodsoftime.

SAFETY WARNING

Do not remove any covers, loosen any xings or allow items to

enteranyaperture.

SAFETY WARNING

Objectslledwithliquidsshouldnotbeplacedonthisapparatus.

AVERTISSEMENT DE SECURITE

Neretirezpaslescouvercles,nedesserrezpaslesxationsetne

laissezaucunepièces’introduiredanslesouvertures.

AVERTISSEMENT DE SECURITE

Ne placez pas d’objets contenant du liquide à proximité de

l’appareil.



The lightning ash with arrowhead symbol within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated "dangerous voltage " within the

product's enclosure that may be of sucient magnitude

to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the product.

VLS Series Operation Manual rev 1.1.0

Table of Contents

2. Introduction ........................................................................................................................................................ 4

3. Unpacking ........................................................................................................................................................... 4

4. Selection of operating mode ............................................................................................................................ 5

5. Wiring and connections .................................................................................................................................... 6

5.1Connectortype................................................................................................................................................ 6

5.2Low-impedancemode.................................................................................................................................... 6

5.3Constantvoltage(70/100V)Mode................................................................................................................. 7

5.4WiringforEN54andoutdoorapplications....................................................................................................... 8

6. Polarity checking ............................................................................................................................................... 8

7. Equalisation ........................................................................................................................................................ 9

8. Mounting and ying ........................................................................................................................................... 9

8.1Asymmetricalpatternconsiderations............................................................................................................... 9

8.2Mountingandyinghardware....................................................................................................................... 10

8.3Riggingandsafetyprocedures...................................................................................................................... 11

9. Outdoor applications ....................................................................................................................................... 12

10. Technical Specications ............................................................................................................................... 13

10.1VLS7.......................................................................................................................................................... 13

10.2VLS15......................................................................................................................................................... 14

10.3VLS30........................................................................................................................................................ 15

11. Service parts and accessories ..................................................................................................................... 16

12. Warranty .......................................................................................................................................................... 16

13. Declaration of conformity ............................................................................................................................. 17

VLS Series Operation Manual rev 1.1.0

2. Introduction

ThelatestadditiontoTannoy’sextensivelineofcolumnloudspeakers,VLSSeriesintroducesanother

proprietaryTannoyinnovation:FAST™(FocussedAsymmetricalShapingTechnology).Bycombining

transducertechnologyfromtheacclaimedQFlexSerieswithaninnovativenewpassivecrossoverdesign,

FASTprovidesexceptionalacousticalbenets,includinganasymmetricalverticaldispersionpatternwhich

gentlyshapesacousticalcoveragetowardthelowerquadrantoftheverticalaxis.

TheVLSSeriescomprisesthreemodels.TheVLS7(7×3.5”LF)isdesignedforspeech-onlyapplications

whileVLS15(7×3.5”LFwith8×1”HF)andVLS30(14×3.5”LFand16×1”HF)aredesignedformore

demandingfull-rangemusicapplicationsaswellasspeech.AllareIP65ratedfordustandwateringress,are

resistanttosaltsprayandUV,andhavebeensubjectedtorigouroushigh/lowoperationaltemperatureand

humiditytesting.TheVLS7and15areEN54certiedforuseinredetectionandrealarmsystems.The

loudspeakersaresuitableforbothindoorapplications(houseofworship,retailmalls,auditoria)aswellas

coveredoutdooruse(transporthubs,concourses).Easymountingisfacilitatedviasuppliedwallandying

brackets,withanoptionalpan-tiltbracketavailable.

AidedbyanadditionofanexclusiveTannoyeditionofEASEFocusv2.0software,consultantscan

designsystemswithpredictableresultsandalsospecifyVLSSeriesinconjunctionwithTannoy’sexisting

columnloudspeakers–includingISeriesandQFlex–withinthefamiliarenvironsofanindustrystandard

softwarewizard.

VLSSeriesloudspeakerscaneasilybeswitchedfromlow-impedancemode(6ohmsforVLS30,12ohmsfor

VLS7andVLS15)to70/100Vdistributedlineoperation.Forquickandsimplecommissioning,thisselectionis

made(alongwiththetransformertappingoptions)viaasinglerotaryswitchlocatedonthereartermination.

Forapplicationsrequiringextendedlowfrequencyenhancement,arangeofTannoysub-basssystemsare

availableforuseinconjunctionwiththeVLSSeries.

3. Unpacking

EachTannoyVLSSeriesloudspeakeriscarefullytestedandinspectedpriortoshipment.Afterunpacking,

pleaseinspectforanyexteriorphysicaldamage,andsavethecartonandanyrelevantpackagingmaterials

incasetheloudspeakeragainrequirespackingandshipping.Intheeventthatdamagehasbeensustained

intransit,pleasenotifyyourdealerandtheshippingcarrierimmediately.

VLS Series Operation Manual rev 1.1.0

4. Selection of operating mode

AllVLSSeriesmodelscanbeoperatedaseitheralow-impedanceloudspeakerorwithina70/100Vdistributed

system.Theoperationmodeisselectableviaasingleswitchlocatedontherearofthecabinet.



Low-impedancemodeisrecommendedifthecablerunsarerelativelyshortandthenumberofspeakersis

small.If,ontheotherhand,thecablerunsarelongandmorethanafewloudspeakersarerequired,thena

distributedlinesystemisideal.

Whenoperatinginlow-impedancemode,theloudspeakerisabletodeliverawiderfrequencyanddynamic

range.However,ifthecablerunsareexcessivelylong,thenthesoundqualitymaybecompromiseddueto

theincreaseincableresistanceandtheresultingpowerlosses.Tokeeptheloadtotheampliermanageable,

itisalsorecommendedthatasmallnumberofspeakersbeused,thusavoidingcomplexseries/parallel

combinations.

Whenalargenumberofspeakersareinstalledoverlongcableruns,itisrecommendedthatadistributed

(70/100V)systembeused.Fordistributedline,thecableneednothaveaslargeacrosssectionalareaas

forlow-impedance,resultinginsavingsincablecost.Allspeakersareplacedinparallelwiththeoutputofthe

amplier,allowingeasyinstallation.Thewattagetappingscanbeindividuallyadjusted,givingmoreexibility

withinaninstallation.

VLS Series Operation Manual rev 1.1.0

5. Wiring and connections

5.1 Connector type

EachVLSSeriesloudspeakerisequippedwithapairofinternallyparalleledbarrierstripterminalsforconnection

totheamplier(ortootherloudspeakersina70/100Vsystemorseries/parallelconguration).Barrierstrips

acceptwireupto4mmsqCSA(AWG12).Barrierstrippolarityisasindicated.

5.2 Low-impedance mode

Ifconnectingdirectlytotheamplierinlow-impedancemode,connectthepositive(+)conductortoapositive

(+)barrierstripterminalandthenegative(-)conductortoanegative(-)terminal.Severalloudspeakersmay

beconnectedtooneamplieroutputinparallel,series,orseries/parallelcongurationsusingtheother

internallyparalleledbarrierstripconnector.Pleaserefertofollowingsectiononseries/parallelconguration

beforeconnecting.

Whenchoosingcabletype,itisimportanttoselectthecorrectcrosssectionalareainrelationtothecable

lengthandtheloadimpedance.Asmallcrosssectionalareawillincreasethecable’sseriesresistance,inducing

powerlossandresponsevariations(dampingfactor).Connectorswiredwith2.5sq.mm(12AWG)cablewill

be

satisfactoryundernormalconditions;withverylongcableruns,thewiresizeshouldbeincreased.Please

refertothefollowingtableforguidance:

Cable Run

(m)

C.S.A.of

each

conductor

(mm2)

AWG Cable

resistance

ohms

% Power

loss into

4 ohm load

dB loss into

4 ohm load

% Power

loss into

8 ohm load

dB loss into

4 ohm load

10 2.5

0.13

0.08

0.05

3.9

2.5

1.6

0.17

0.11

0.07

2.0

1.3

0.8

0.09

0.06

0.04

25 2.5

0.33

0.21

0.13

9.3

6.1

3.9

0.42

0.27

0.17

4.9

3.1

2.0

0.22

0.14

0.09

50 2.5

0.66

0.41

0.26

17.0

11.4

7.5

0.81

0.53

0.34

9.3

6.1

3.9

0.42

0.27

0.17

100 2.5

1.31

0.83

0.52

29.1

20.5

14.0

1.49

1.00

0.65

17.0

11.4

7.5

0.81

0.53

0.34

Amplier selection-Aswithallprofessionalloudspeakersystems,thepowerhandlingisafunctionofvoice

coilthermalcapacity.Careshouldbetakentoavoidoverdrivingtheamplierintoclipping.Damagetothe

loudspeakerwillbesustainediftheamplierisdrivenintoclippingforanyextendedperiodoftime.Headroom

ofatleast3dBshouldbeallowed.Whenevaluatinganamplier,itisimportanttotakeintoaccountits

behaviourunderlowimpedanceloadconditions.Aloudspeakersystemishighlyreactive,andwithtransient

signalsitcanrequiremorecurrentthanthenominalimpedancewouldindicate.Generallyahigherpower

amplierrunningfreeofdistortionwilldolessdamagetotheloudspeakerthanalowerpoweramplierthat

VLS Series Operation Manual rev 1.1.0

5. Wiring and connections

iscontinuallyclipping.Ahigh-poweredamplierrunningatlessthan90%ofoutputpowergenerallysounds

superiortoalowerpoweramplierrunningat100%.Anamplierwithinsufcientdrivecapabilitywillnot

allowthefullperformanceortheloudspeakertoberealised.(Seetechnicalspecicationssectionfor

recommendedamplierpower.)

Whenusingampliersfromdifferentmanufacturersinasingleinstallation,makecertainthatallampliershave

closelymatchedgains.(Variationshouldbelessthan+/-0.5dB.)Thisprecautionisimportanttotheoverall

systembalancewhenonlyasingleactivecrossoverisbeingusedwithmultiplecabinets.Whenpossible,itis

recommendedthatthesameampliersbeusedthroughout.

Series/parallel connections-Whenrunninglow-impedanceloudspeakersinparallel,caremustbe

takennottoallowtheimpedancetodroptoolow,asdamagemaybesustainedbytheamplier.Mostlow

impedanceamplierswillbeabletohandleloadsof2ohmsto8ohms.Thismeansforexamplethatwhen

usinganamplierwith2ohmloadrating,uptothreeVLS30orsixVLS7/15maybeconnectedinparallel

peroutput,althoughcareshouldbetakenasimpedancevarieswithfrequencyandatsomefrequenciesthe

impedancewilldroptobelow2ohms.

5.3 Constant voltage (70 /100 V) Mode

Inconstantvoltagedistributedsystems,normallyanumberofloudspeakersareconnectedinparalleltoasingle

amplieroutput.Connectthepositive(+)conductorfromtheamplierorpriorloudspeakerinthesystemtoa

positive(+)barrierstripterminalandthenegative(-)conductortoanegative(-)terminal.Theotherparallel

barrierstripisavailableforconnectingadditionalloudspeakers.

Amulti-positionrotaryswitchontherearinputpanelselectseitherthelow-impedanceoperatingmodeorthe

high-impedancemodes(70Vor100V)withavailabletransformertaps.WhenusingVLSSeriesloudspeakersin

distributedlinesystems,thetransformercanbetappedwithavailablepowerlevelsshowninthetablebelow:

70 V 100 V

5W 9.5W

9.5W 19W

19W 37.5W

37.5W 75W

75W 150W

150W -

VLS Series Operation Manual rev 1.1.0

6. Polarity checking

Alltransformerprimariesshouldbeconnectedinparalleltotheoutputoftheamplier.Thesummedtotal

powerratinginwattsoftheselectedtapsettingsforallconnectedloudspeakersmustnotexceedthetotal

outputpowerratingoftheconnectedamplieroutputchannelinwatts.Itisrecommendedthatagenerous

powersafetymargin(minimum3dBheadroom)bemaintainedbetweenthetotalloudspeakerpower

requirementsandtheamplieroutputcapacitytoavoidcontinuousamplieroperationatfullratedoutput.

5.4 Wiring for EN54 and outdoor applications

ArightangledwatertightcableglandissuppliedwiththeVLS7and15foruseinoutdoorapplications(Fig.1).

TheVLS30hasaninputpanelcoverwithrubberwiringgrommetforuseinoutdoorapplications(Fig.2).

Beforemakingconnections,passthewire(s)throughthecablegrand/rubbergrommet.Theinputpanelcoveris

securedtothecabinetusingthefourscrewsalreadyinsertedaroundtheinput.

Fig.1 VLS 7 & VLS 15 Fig.2 VLS 30

6. Polarity checking

Checkingthepolarityofthewiringbeforethespeakersystemismountedorownwillhelpensuresatisfactory

performance.Ifyoudonothaveapulse-basedpolaritychecker,youmaycheckLFunitsasfollows:Connect

twowirestothe+and-terminalsofaPP3(9V)battery.Applythewireconnectedtothepositive(+)terminal

ofthebatterytothespeakercablelegwhichyoubelievetobeconnectedthepositiveterminalofthespeaker

connector;likewiseconnectthenegative(-)terminalofthebatterytothenegativeterminalofthespeaker.If

youhavewireditcorrectly,theLFdriveunitwillmoveforward.Atthispoint,connectthepositive(+)speaker

leadtothe+terminalontheamplierandthenegative(-)leadtothe-terminalontheamplier.However,if

theLFdrivermovesbackwardswiththebatterytest,theinputconnectionsneedtobeinvertedbefore

connectingtheamplier.Ifproblemsareencountered,inspectthecablewiring.Notethatdifferentamplier

manufacturersmayutilisedifferentpincongurationsandpolarityconventions;ifyouareusingampliersfrom

morethanonemanufacturer,checkthepolarityattheampliersaswellasattheloudspeakers.

VLS Series Operation Manual rev 1.1.0

7. Equalisation

VLSSeriesloudspeakersrequirenoequalisationorcorrectiontoovercomesystemlimitations;equalisation

isnecessaryonlytocompensatefordifcultacousticenvironments.Over-equalisationcanreducesystem

headroomandintroducephasedistortion,resultingindegradedsound.Ifequalisationisrequired,itshould

beappliedgentlyandsmoothly.BecauseVLSSeriesloudspeakersarephasecoherentdesigns,excessive

equalizationusuallyprovesdetrimentaltotheoverallsoundquality.Whenoneloudspeakerisusedinclose

proximitytoanother,comblteringeffectscancreatecoverageproblems.(Comblteringcreatesanuneven

frequencyresponseacrossthecoverageareaduetoconstructiveanddestructiveinterferenceeffects

betweenthetwosources.)Comblteringcannotbecuredbyequalisation;thisshouldbeaddressed

withproperloudspeakerplacement.

8. Mounting and ﬂying

8.1 Asymmetrical pattern considerations

VLSSeriesloudspeakersaredesignedwithanasymmetricalverticaldispersionpattern,afeaturewhichallows

improvedperformancewithsimpliedmountinginmanyapplications.TheverticaldispersionoftheVLS7and

VLS15is+6/-22degreesfromacousticcenteraxis,whilethepatternoftheVLS30is+3/-11degreesfrom

acousticcenteraxis.Pleasebeawareofthisfeaturewhenplanningyourinstallation.Inmanysituationswhere

conventionalcolumnloudspeakerswouldrequiresubstantialdownwardtilt,aVLSSeriesloudspeakerwould

requirelesstiltorevenallowushmounting,thusprovidingasimplerinstallationwithimprovedvisualaesthetics.

+6°

-22°

+3°

-11°

VLS 30

671 [26,41]

536 [21,11]

+6°

-22°

536 [21,11]

VLS 7 VLS 15

VLS Series Operation Manual rev 1.1.0

8. Mounting and ﬂying

8.2 Mounting and ﬂying hardware

Wall Bracket–EachVLSSeriesloudspeakerissuppliedwithastandardwallbracketsuitableformount-

ingonmostwallsurfaces.ThebracketissuppliedastwointerlockingUplates.Oneplateattachestotherear

oftheloudspeakerwithfoursuppliedscrews.Theotherpartissecuredtothewall.Thebaronthebottomof

thespeakerplateslidesintothebottomnotchofthewallplate,whilethetopissecuredwiththetwosupplied

screws.ThebracketfortheVLS7and15isslottedtoallowananglebetween0and6degrees(Fig.3).Aligning

thetoptwoscrewholesoftheVLS30resultsinaatushmount;usingthelowertwoscrewpositionsprovides

a4degreedownwardtilt.(Fig.4)

Fig.3 VLS 7 & VLS 15 Fig.4 VLS 30

Flying Bracket–EachVLSSeriesloudspeakerisalsosuppliedwithayingbracket.Thebracketisattached

tothetoptwoinsertsusingthesuppliedM6screws(Fig.5).Thetwobottominsertscanbeusedaspullback

ifrequired.

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