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6
Power Connection
Your Sonance D8 Subwoofer features a removable IEC power
connector (see Figure 10). Plug the female end of the power cord
intothepowercordconnectoronthesubwoofer’srearpaneland
plug the male end into a grounded wall socket. DO NOT plug the
subwoofer’spowercordintoaconvenienceoutletonanyother
audio or video component.
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE, REPLACE THE
FUSE WITH ONLY THE SAME TYPE AND RATING.
IMPORTANT: DO NOT PLUG THE POWER CORD INTO THE WALL OUTLET
UNTIL ALL SYSTEM CONNECTIONS HAVE BEEN MADE AND VERIFIED.
NOTE: IF YOU NEED TO USE AN EXTENSION CORD, USE ONLY A HEAVY-
DUTY (14-GAUGE OR LARGER) EXTENSION CORD TO AVOID STARVING
THE SUBWOOFER OF ALL THE CURRENT NECESSARY FOR FULL-
POWER OPERATION.
Subwoofer Adjustments
SonARC For Subwoofers
Every Sonance Subwoofer comes with SonARC built in. SonARC
for subwoofers is an app driven room correction software that
allows you to tune your subwoofer perfectly for the environment it
is placed in. You can download the free app from the Apple
App Store. The app will work on any iOS device. For more
informationvisithttp://www.sonance.com/sonarc.
Volume Adjustments
TheVOLUMEcontrolsetsthesubwoofer’svolumeoutput.When
settingthesubwoofer’sVOLUMEcontrolbyear,trytondavolume
settingwherethebasssoundsbalancedonbothmusicandlms.
Listentoseveraldierentmusicrecordingsandlmsoundtracks
thatcontainstrongbasspassagesandtrytondasettingforthe
VOLUMEcontrolthatdoesn’tover-emphasizethebassormakeit
sound weak (see Figure 9).
ThemostaccuratewaytosettheVOLUMEcontroliswith
calibratedtestnoiseortesttonesandasound-pressurelevel(SPL)
meter or real time analyzer. There are several CDs and DVDs that
containsubwoofertestsignals.IfyouuseanSPLmeter,setthe
subwoofer’sVOLUMEcontrolsothatitplaysatthesamevolume
asthesystem’sotherspeakers.
Crossover Adjustments
Thecrossovercontroladjuststhesubwoofer’sinternalcrossover
frequencybetween50Hzand250Hz.Thecrossover’sslopeis
18dB/octave. The higher you set the crossover control, the higher
in frequency the subwoofer will operate. Use the crossover control
to achieve a smooth transition of bass frequencies between the
subwoofer and your main speakers. Generally, the crossover
control should be set at a lower frequency if your main speakers
have larger woofers and at a higher frequency if your main speakers
have smaller woofers (see Figure 9).
When setting the crossover control by ear, listen for the
smoothness of the bass. If the bass seems too strong at certain
frequencies (especially if your main speakers have larger woofers),
try a lower crossover control setting. If the bass seems too weak at
certain frequencies (especially if your main speakers have smaller
woofers), try a higher crossover control setting.
Ideally, the crossover control should be set to the frequency where
yourmainspeakerslow-frequencyresponserollois-3dB.
Figure9:SubwooferAdjustments
Figure10:PowerCordConnector&FuseHolder
100 watts
T5AL / 250VAC
CAUTION
REPLACE FUSE ONLY WITH
SAME TYPE AND RATING
ATTENTION
REMPLACER UNIQUEMENT AVEC LE
MEME TYPE ET CALIBRE DU FUSIBLE
ISOLATED
GROUNDED
LINE LEVEL INPUT
RIGHT
LEFT / LFE
PHASE
0 DEG
180 DEG
GROUND LIFT
POWER
90 DEG
SPEAKER LEVEL INPUT
RIGHT
LEFT
OFF
ON
STATUS
WIRELESS STATUS
WIRELESS SYNC
WIRELESS
INPUT SELECT
LINE LEVEL
SPEAKER LEVEL
CROSSOVER
50HZ
250HZ
150HZ
75HZ
200HZ
BYPASS
VOLUME
MIN
MAX
REF
AC 220-240V ~ 50Hz
AC 100-120V ~ 60Hz
WIRELESS INPUT
Sonance
D8 Subwoofer
100 watts
T5AL / 250VAC
CAUTION
REPLACE FUSE ONLY WITH
SAME TYPE AND RATING
ATTENTION
REMPLACER UNIQUEMENT AVEC LE
MEME TYPE ET CALIBRE DU FUSIBLE
ISOLATED
GROUNDED
LINE LEVEL INPUT
RIGHT
LEFT / LFE
PHASE
0 DEG
180 DEG
GROUND LIFT
POWER
90 DEG
SPEAKER LEVEL INPUT
RIGHT
LEFT
OFF
ON
STATUS
WIRELESS STATUS
WIRELESS SYNC
WIRELESS
INPUT SELECT
LINE LEVEL
SPEAKER LEVEL
CROSSOVER
50HZ
250HZ
150HZ
75HZ
200HZ
BYPASS
VOLUME
MIN
MAX
REF
AC 220-240V ~ 50Hz
AC 100-120V ~ 60Hz
WIRELESS INPUT
Sonance
D8 Subwoofer
NOTE: WHEN USING THIRD PARTY ROOM CORRECTION SOFTWARE, BE
SURE TO PERFORM THE SONANCE AUTOMATIC ROOM CORRECTION APP
(SONARC) ADJUSTMENTS FIRST.
Phase Adjustments
Whenthesubwoofer’sPHASEswitchisinthe0position,apositive
input voltage will cause the woofer cone to move out (towards the
room). When the PHASE switch is in the 180 position, a positive
input voltage will cause the woofer cone to move in (away from the
room) (see Figure 9).
There is no absolute correct setting for the PHASE switch.
Depending on the location of the subwoofer relative to your main
speakers and seating location, one of the settings will produce a
better match with the main speakers, improving bass impact, and
in some cases, improving overall bass level as well.
To determine the correct setting of the PHASE switch, listen to
musicwithsignicantimpactfulbasscontentwiththeswitchin
each position (it may be helpful to sit in the normal listening position
while someone else changes the PHASE switch between 0 and
180).Leavetheswitchinthepositionthatproducesaudiblylouder
bass with more impact.
Ground Lift
Your Sonance D8 Subwoofer features a ground lift switch available
to eliminate most grounding issues. To reduce the ground current
&inducednoises,switchthegroundliftfromisolatedtogrounded.
Safetyisnotaected(seeFigure10).
Replacing the AC Fuse
Yoursubwooferisfactory-equippedwiththefollowingACfuse:
115VVersion:T5AL/250VAC
230VVersion:Toreplacethefuse,unplugthepowercordfromthe
power cord connector and use a screwdriver to remove the fuse
holder (see Figure 10).
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