Quadral active subwoofer User Instructions - page 5
Connection variant no. 2
(Additionalwooferforanexistinghi-fisystem)
Connectthesubwoofertoyouramplifieratthe„B“loudspeakeroutputs.Theconnectionsof
the existing speakers remain unchanged. Having connected the subwoofer, you must then
activatethe„B“loudspeakeroutputs;youramplifier’soperatingmanualwilltellyouhowto
dothis.Putyoursubwooferintooperationasdescribedunder„Startingup“.
ThisoperatingmodecanonlybeusedifyoucanactivatethespeakeroutputsA&Bonyour
amplifiersimultaneously.Pleaseconsultyouramplifier'soperatingmanualaccordingly.
Foroperationwithasurroundsoundamplifier,pleasefollowtheinstructionsgivenin"Con-
nectionvariantno.1".
Connectionvariantno.2
(Differencesofmodelscauseadifferentpositionoftheoperatingelements.)
Connection variant no. 3
(Subwooferinapreamp/outputampcombination:notpossibleonallsubwoofers)
Ifyoursystemconsistsofapreamp/powerampcombinationyoucan,connectthesubwoofer
tothepreamp’soutputbymeansofacinchcable.Todothis,usethecinchsocketsmarked
„LOWLEVELIN“.Alsousingacinchcable,connectupyouroutputamptothesubwooferat
thecinchsocket„LOWLEVELOUT“.Ifyourpreamphas2pairsofoutputsocketsyoucan
leavethedirectconnectionbetweenpreampandoutputampasitisandsimplyconnectthe
subwoofertothepreamp’ssecondcinchoutput;thereisthennoneedforthesubwoofertobe
connectedtothepoweramp.Inboththesecasesthereisnoneedtouseloudspeakercables
fortheconnections.Putyoursubwooferintooperationasdescribedunder„Startingup“.
Connectionvariantno.3
(Differencesofmodelscauseadifferentpositionoftheoperatingelements.)
Connection variant no. 4
(Subwooferinasurroundsystem)
Ifyoursurroundamporreceiverhasasubwooferlineoutput(SubPre-Out),youcanusethis
byconnectingthesubwoofertothissocketbymeansofcinchcable(Connectionvariantno.
4aor4b).Ifyoursurroundampdoesnothaveanoutputofthistypeyouwillhavetoconnect
upthesubwooferasdescribedunder„Connectionvariantno.1“.
Havingconnectedupyoursubwooferatthesubwooferlineoutputofyourdigitalsurround
soundamplifier,youmustnowconfiguretheamplifier'sbassmanagementasfollows:
Subwoofer:
yes
Front,center,rear:
large/small(dependingonsize)
Connectionvariantno.4a
(Differencesofmodelscauseadifferentpositionoftheoperatingelements.)
ENGLISH
L
R
Output
L
R
Input
R
L
L
R
+
+
-
-
HIGH LEVEL
OUTPUT
HIGH LEVEL
INPUT
INPUT
OUTPUT
LOW LEVEL
VOLUME
FREQUENCY
MIN MAX
50Hz
150Hz
180
o
0
o
L
R
PHASE
OFF
ON
AUTO
PREAMPLIFIER
POWER AMPLIFIER
SUBWOOFER
+ RIGHT -
- LEFT +
-
+
-
+
+ RIGHT -
- LEFT +
A
B
POWER
PHASE
LOW LEVEL
INPUT
L
R
STANDBY
OFF
ON
0∞
180∞
R
L
R
L
-
+
+
-
HIGH LEVEL
OUTPUT
HIGH LEVEL
INPUT
-3
3
d
2
-14
FREQUENCY
VOLUME
150
0 dB
-7
50
100 Hz
65
80
120
135
SUBWOOFER
LOUDSPEAKER
AMPLIFIER
LOUDSPEAKER
Sub Pre-Out
POWER
PHASE
LOW LEVEL
INPUT
L
R
STANDBY
OFF
ON
0∞
180∞
R
L
R
L
-
+
+
-
HIGH LEVEL
OUTPUT
HIGH LEVEL
INPUT
-3
3
d
2
-14
FREQUENCY
VOLUME
150
0 dB
-7
50
100 Hz
65
80
120
135
SURROUND AMPLIFIER
SUBWOOFER
BDA Subwoofer 11.2006.indd 8-9
16.11.2006 13:28:01 Uhr