Quadral active subwoofer User Instructions - page 4
ENGLISH
OFF:
Theunitispermanentlyswitchedon.
ON:
Theunitswitchesonautomatically,ifamusicsignalisreceivedandauto-
maticallyswitchestostand-bymodeafterapproximately15minutes,ifno
musicsignalisreceived.
Units with POWER switch for stand-by only:
Theswitchoperatesasfollows:
ON:
Theunitispermanentlyswitchedon.
AUTO: Theunitswitchesonautomatically,ifamusicsignalisreceivedandauto-
maticallyswitchestostand-bymodeafterapproximately15minutes,ifno
musicsignalisreceived.
OFF:
Thefunctionsareswitchedoff.
Units with POWER switch for mains only:
IfthemainsPOWERswitchisinOFFposition,theunitisturnedoffcompletely.
IfthemainsPOWERswitchisinONposition,theunitisinautomaticmode.I.e.ifamusic
signalisreceived,theunitswitchesfromstand-bymodetooperationmode(ON)andswitches
backtostand-bymode,ifnomusicsignalisreceivedforapproximately20minutes.
Connecting up
Beforeconnectingupthesubwoofertoyourhi-fiorsurroundsystem,makesurethattheunit
andallsystemcomponentsareswitchedoff,i.e.thepilotlightsshouldallbeoff.
Connection variant no. 1
(Subwoofer/satellitesystemforhi-fiandsurround)
First take one of the 3m loudspeaker cables supplied with your subwoofer and connect it
totheleft-handspeakeroutputoftheamplifierandtheleft-handinput(HIGHLEVEL)ofthe
subwoofer.Thered„+“terminaloftheamplifiermustbewiredtothered„+“terminalofthe
subwoofer;theamplifier’sblack„-“terminalmustbewiredtotheblack„-“terminalofthesub-
woofer.The„+“lineisalwayscolouredredormarkedaccordinglyonspeakercables.Now
repeattheprocedurewiththesecondloudspeakercabletoconnecttheamplifier’sright-hand
speakeroutputwiththesubwoofer’sright-handinput.Heretoo,pleasetakeparticularcare
toensurethatthecablesareconnectedupwiththecorrectpolarity,i.e.thered„+“terminal
ofthesubwooferconnectedtothered„+“terminaloftheamplifier,theblack„-“terminals
connectedtoeachotherlikewise.Bydoingso,youwillavoidconsiderableimpairmentofthe
soundasaresultofincorrectpolarity.
Having connected up your subwoofer at the front-speaker outputs of the digital surround
soundamplifierasshownabove,youmustnowconfiguretheamplifier'sbassmanagement
asfollows:
Front:
large
Subwoofer: no
Centre,rear: large/small(dependingonsize)
Connectionvariantno.1
(Differencesofmodelscauseadifferentpositionoftheoperatingelements.)
OFF AUTO ON
POWER
1
POWER
ON
OFF
+ RIGHT -
- LEFT +
-
+
-
+
+ RIGHT -
- LEFT +
B
A
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
BDA Subwoofer 11.2006.indd 6-7
16.11.2006 13:28:00 Uhr