Quadral active subwoofer User Instructions - page 7
12
ENGLISH
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As far as possible, leave the bass control of the amplifier's tone control facility set in the
"neutral"position,otherwiseunnecessarilystrongbasssignalswillbedeliveredtothesatellite
speakers;whilstthesatelliteswouldthenbesubjecttoaheavyloadfromsuchbasssignals,
theyarenotbeabletoreproducethemintheformoflow-frequencysound.Asdescribedin
theabove,setthebassvolumetothelevelyourequirebyadjustingthesubwoofer'svolume
viatheamplifier'sbassmanagementfacility.
Maintenance of loudspeakers
Thebestwaytocleanyourquadralloudspeakersiswithadryandsoftduster.Pleasemop
thealuminiumcabinetsinlongitudinaldirectionwithamoistduster.Neverusesolvents!
Youshouldcleantheloudspeakersystems(bass,midranges,etc.)onlybyanintensesoiling
(slightquantityofdustisacousticallyinsignificant)exclusivelywithadry,softdusterandjust
withalittlepressurebecauseyoucandamagethem(todentthemembranes).
Ifthesilverfrontframesaresoiledpleaseuseadrycleaningfoam(i.e.Centralin–Spray),
spraythesoiledspot,allowittoreactandvacuumitwithaHoover.
Don´tbrushofftheblackfrontframes,justdustoffthemordrawthedirtcarefullyoffwitha
wideadhesivetape.Nevercleanthemmoist!
Fault
Reason
Remedy
1)Nosound
a)Cableswronglyconnected a)Checkthatthecableshavebeen
(seealso)
connectedasspecifiedintheinstruc-
tions
b)Systemnotswitchedon
b)Switchonthesystemandadjustthe
volumetoapprox.o’clockposition
c)Amplifierfaulty
c)Checkelectronicsforpossible
defect
2)Thesystemsoundsbass-less a)Wrongpolarityofone
a)Checkcableconnections/change
andthinevenwhenthebass channelintothesubwoofer polarityofoneconnectionof
controlontheamplifieris
amplifieratthesubwooferterminal
turnedup
(exchangeredandblack)
b)Bassmanagementon
b)Configurethebassmanagementas
surroundampincorrectly
describedintheseoperatinginstruc-
configured
tions
c)Subwoofernotfunctioning
c)Switchonthesubwooferandcheck
thecables
d)Thesoundprojectionis
d)Mountthefeetassupplied,orremove
beingimpeded
theobjectsthatareimpedingthe
soundprojection
3)Thesystemsoundsdistant a)Wrongpolarityofasatellite a)Checkcableconnections/change
andinstrumentsandvoices cableconnection
polarityofonesatelliteconnection
arehardtolocate
onsubwooferterminalpanel
(exchangeredandblack)
4)Systemlackstreble
a)Theroomhasunlively
a)Placewooferandsatellitesfurther
acousticsandthespeakers awayfromthewalls
arelocatedinroomcorners (approx.0cmclearance)
b)Basscontrolsettoohighon b)Setthebasscontroltoneutral
theamplifier
(central)position
5)Systemsoundsdistorted
a)Volumesettoohigh
a)Turnvolumedown
b)See()
b)See()
c)Systemisfaulty
c)Pleasecontactyourdealerorquadral
)Onlyonespeakerworking a)Cablesconnectedupwronglya)Checkcableconnections
b)Speakerorelectronicsfaultyb)Exchangerightandleftspeaker.
Ifthemutespeakerisnowonthe
othersidethenitisfaulty,otherwise
itistheamplifier
)Thesubwooferoftenswitches Thesubwoofer´ssettings
a)Reducethevolumelevelonthe
requireadjustment
subwoofer(setto10o´clockposition)
andturnupthesubwoofer´svolume
viatheamplifier´sbassmanage-
mentfacility
b)Connectupthesubwooferby
meansofitsHighLevelinputs
(s.1stconnectionoption)
)Thefundamentaltone
Unfavourablesettingofthe
a)Changethesettingofthefrequency
(e.g.malevoices)istoo
subwooferiscausing
and/orphasecontrolonthe
thindespitecorrectcable
suppressioninthefundamental subwoofertilltonesoundsfuller
connections
tone
BDA Subwoofer 11.2006.indd 12-13
16.11.2006 13:28:02 Uhr