Dual illumiNITE SBP8A Operating instructions

INSTALLATION/OWNER'S MANUAL
8" Bandpass Enclosure with Built-in Amplifier
SBP8A

2
SBP8A PREPARATION
Getting Started
Thank you for purchasing the Dual SBP8A 8" Bandpass Enclosure with built-in
Amplifier. Although Dual has attempted to ensure the information in this manual
is accurate, please be aware that any part of it is subject to change without notice.
Please read entire manual before installation. Due to the technical nature of
amplifiers, it is highly recommended that your Dual SBP8A is installed by a
professional installer or an authorized dealer.
Before You Start
•Alwaysdisconnectthenegativebatteryterminal.Consultaqualifiedtechnician
for instructions if you are unsure.
•Avoidinstallingtheamplifierwhereitwouldbesubjecttohightemperatures,
such as from direct sunlight, or where it would be subject to dust, dirt or
excessivevibration.
•Useextremecautionwhendrillingholestoavoiddamagingfuellinesor
existingvehiclewiring.
•Allamplifierinstallationsrequirepower,signalandspeakerwires(not
included).
•Anamplifierinstallationkit(soldseparately)ishighlyrecommendedto
facilitatetheinstallation.Consultyourdealerforrecommendations.
Mounting Location
•ChooseamountinglocationfortheSBP8A.Suggestedlocationsincludebehind
a seat or in the trunk.
•TheSBP8Acanbemountedhorizontal(recommended)orvertical.For
optimumperformance,makesuretoprovideatleast1"ofspacearoundall
sides of the amplifier.
•DonotmounttheSBP8Aundercarpetsorwhereairflowisrestricted.
•DonotinstalltheSBP8Awhereitmaybeexposedtomoisture.
•Theoptimummountinglocationvariesbetweenvehicles.Remembertotestall
amplifier functions before completing the final mounting procedure.

3
SBP8A INSTALLATION
The following installation instructions are intended to be used as a basic
guideline. If you feel unsure about installing this speaker system yourself, Dual
recommendsacquiringtheservicesofaprofessionalcaraudioinstallation
center.
Beforeinstallation,pleasereviewthefollowingguidelines:
1.Besuretocarefullyreadandunderstandtheinstructionsbeforeattemptingto
install this product.
2.Forsafety,disconnectthebatterynegativeterminalpriortobeginningthe
installation.
3.Ifadditionalwiringisrequired,werecommendrunningallwirespriorto
mounting your bandpass enclosure in place.
4. To ensure reliable performance and minimize signal or power loss, use the
highestqualityconnectorsavailable.
5.Usecautionbeforeyoudrillorcut!Becarefulnottocutordrillintogastanks,
fuellines,brakeorhydrauliclines,vacuumlinesorelectricalwiringwhen
workingonanyvehicle.
6.Neverrunspeakerwiresunderneathyourvehicle.Runningspeakerwires
insidethevehicleprovidesthebestprotectionfromexhaust,heatand
environmentalelements.
7.Avoidrunningwiresover,nearorthroughsharp-edgedsurfaces.Wesuggest
you also use rubber grommets to protect any wires routed through metal,
especially the firewall.
8.Whenrunningthespeakercabletotheamplier,avoidrunningitnearsources
ofhighcurrent(i.e.wiringharnesses,batterycables).
Safety First
The following instructions are designed to ensure safety during installation and
use of the SBP8A. Failure to heed these instructions can result in injury or damage
to the unit or vehicle.
CAUTION
!

4
SBP8A INSTALLATION
NOTE
Be sure to follow specific instructions included with your amplifier installation
kit (not included with this amplifier). The information below should be used a
general guideline only.
Power Wire (BAT+)
•Disconnectnegativebatteryterminalbeforeproceeding.Consultaqualified
technician for instructions if you are unsure.
•Planwireroutingbeforecuttinganywirestolength.Beginbyroutingthepower
BAT+wirefromthebatterytotheamplifierlocation.Useagrommetwhen
runningwiresthroughthefirewallormetalopenings.Avoidrunningthepower
wirenearexistingvehiclewiringtopreventinducednoisefromenteringthe
audio system.
•Useextremecautionwhendrillingholestoavoiddamagingfuellinesor
existingvehiclewiring.
•TheBAT+wireMUSTbefusedwithin18"ofthebatteryforprotectionofthe
vehicle’selectricalsystem.
Ground Wire (GND)
•Theamplifiergroundwireshouldbeasshortaspossible.Chooseaclean
unpaintedsectionofmetalorthevehiclechassiswhenattachingtheground
connection. Be sure to clean the area of any dirt or grease.
Remote Turn-on Wire (REM)
•Theremoteturn-onwireconnectstotheheadunit'samplifierturn-onleador
otherswitched12voltsource.
Input Signal
•Theamplifier'sinputsignalconnectstotheheadunit'slowlevel(RCA)orhigh
level(speakerwire)outputs.
•Dedicatedsubwooferorlowlevelinputssignaldeliverthebestperformance.If
unavailable,usethehighlevelinputs-wheninterfacingwithfactoryheadunit
forinstance.Besuretoobservethecorrectpolaritywhenusingthehighlevel
inputs.
CAUTION
•Donotusebothlowandhighlevelinputsatthesametime-connectonlyone
or the other.
•Neverrunanywiresunderneathoroutsidethevehicle.
Connection Descriptions

5
SBP8A INSTALLATION
CrossoverFrequency
PhaseControl
InputLevelControl
HighLevelInputs
1 5
2 6
3 7
4 8
PowerConnections
Fuse
LowLevelInputs
LED Indicator
12 3
4
5
7
8
6
Connections and Controls

6
SBP8A INSTALLATION
Main Power Connections
ConnectBAT+,GNDandREMwiresaccordingly.AsuitablefuseMUSTbeinstalledonthe
BAT+leadwithin18"ofthebatteryforprotectionofthevehicle’selectricalsystem.
BAT+ (BATTERY)
Fuse Rating
Whenreplacingthefuse,make
sure new fuse is the correct type
andamperage.Usinganincorrect
fuse could damage the amplifier.
TheSBP8Auses(1)7.5 amp ATO
style fuse.
Power/Ground Wire Size
Foroptimumperformance,useonly
12 gaugewireorlarger.Makesure
to use the same size power and
ground wire.
Typical Wire Routing

7
SBP8A INSTALLATION
Setup and Adjustment of Controls
Lowlevel(RCA)inputsignalispreferredforbest
performance. Typical trunk-mount installations
requirea17-20footRCAcable.Mosttrucksand
behind-seatapplicationsrequirea6-12footRCA
cable.UsingtwistedpairconstructionRCAcables
will minimize noise.
HighlevelinputsshouldonlybeusedwhenRCA
outputsarenotavailablefromtheheadunit.Connect
theheadunitspeakeroutputstothehighlevelinput
connector shown on page 6. Do not use both low and
highlevelinputsatthesametime-connectonlyone
or the other.
Theadjustablecrossoverisusedtofilterout
frequenciesabove70Hz~200Hz.Adjustittowhere
the SBP8A sound output blends with the rest of the
sound system.
The phase control compensates for delay between
the SBP8A output and the rest of the sound system.
Beginwiththephasecontrolsetto0degrees.If
thesoundisadequatefromthenormallistening
positioninsidethevehicle,nofurtheradjustmentis
necessary. If the sound is thin or lacking bass, adjust
the phase control until the bass is full and punchy.
Theinputlevelcontrol(gain)isusedtoobtainthe
best possible match between the head unit audio
output and the amplifier input. Begin by turning
theinputlevelcontrolfullycounterclockwise.Next,
turnuptheheadunitvolumecontrolaround3/4of
thewayup.Adjusttheinputlevelcontrolclockwise
until audible distortion is heard, then slightly
counterclockwisetoprovidethebestmatch.
The LED indicator illuminates blue during normal
operation.
Input Signal Connections
Low Level (RCA)
High Level Input
(Speaker Wire)
Crossover Frequency
Control
Phase Control
Input Level Control
LED Indicator

8
SBP8A INSTALLATION
Troubleshooting
Problem Cause Action
Unit will not turn on
(no power LED indicator)
BAT+wirenotconnectedorincorrectvoltage
REMwirenotconnectedorincorrectvoltage
Checkconnectionsforpropervoltage
(11~16VDC)
GNDwirenotconnected Checkconnectiontoground
Fuse(s)blown Replacefuse(s)
Unit has power - LED is
blue (but no sound)
Volumeturnedallthewaydown Increasevolumelevelatheadunit
Speakerdefectiveordamaged Check/replacespeaker
Input signal not connected Checkhighorlowlevelinputsfor
proper connection
Unit blows fuse(s) Incorrect fuse rating Usefuse(s)withcorrectrating
BAT+ wire touching chassis ground Checkforpinchedwire
Speakerdefectiveordamaged Check/replacespeaker
Engine noise Bad ground connection Makesureamplifierisgroundedto
clean bare metal
SignalgroundlooporRFI(radiofrequency
interference)
Re-routeRCAcablesfromexisting
high current wiring
Distorted audio output Incorrect input signal type or
inputleveltoohigh
Checkconnectionsandreduce/adjust
inputlevel
Low audio output Incorrect input signal type or
inputleveltoolow
Checkconnectionsandincreaseor
adjustinputlevel
Weak bass Lowfrequencyoutputisoutofphase Adjust phase control as needed

9
SBP8A WARRANTY
Limited One Year Warranty
Thiswarrantygivesyouspecificlegalrights.
Youmayalsohaveotherrightswhichvary
from state to state.
DualElectronicsCorp.warrantsthisproduct
to the original purchaser to be free from
defects in material and workmanship for a
period of one year from the date of the original
purchase.
DualElectronicsCorp.agrees,atouroption,
during the warranty period, to repair any defect
in material or workmanship or to furnish an
equalnew,renewedorcomparableproduct
(whicheverisdeemednecessary)inexchange
withoutcharges,subjecttoverificationofthe
defect or malfunction and proof of the date of
purchase.Subsequentreplacementproducts
are warranted for the balance of the original
warranty period.
Who is covered? This warranty is extended
to the original retail purchaser for products
purchasedandusedintheU.S.A.
What is covered? Thiswarrantycoversall
defects in material and workmanship in
thisproduct.Thefollowingarenotcovered:
installation/removalcosts,damageresulting
from accident, misuse, abuse, neglect, product
modification, improper installation, incorrect
linevoltage,unauthorizedrepairorfailureto
follow instructions supplied with the product,
or damage occurring during return shipment
of the product.
What to do?
1.Beforeyoucallforservice,checkthe
troubleshootingguideinyourowner’s
manual. A slight adjustment of any custom
controlsmaysaveyouaservicecall.
2.Ifyourequireserviceduringthewarranty
period, you must carefully pack the product
(preferablyintheoriginalpackage)andship
it by prepaid transportation with a copy of
the original receipt from the retailer to an
authorizedservicecenter.
3. Please describe your problem in writing and
includeyourname,areturnUPSshipping
address(P.O.Boxnotacceptable),anda
daytime phone number with your shipment.
4.Formoreinformationandforthelocationof
thenearestauthorizedservicecenterplease
contactusbyoneofthefollowingmethods:
•Callustoll-freeat1-866-382-5476
•E-mailusat[email protected]
ExclusionofCertainDamages:Thiswarranty
isexclusiveandinlieuofanyandallother
warranties, expressed or implied, including
without limitation the implied warranties of
merchantability and fitness for a particular
purpose and any obligation, liability, right,
claim or remedy in contract or tort, whether
ornotarisingfromthecompany’snegligence,
actualorimputed.Nopersonorrepresentative
is authorized to assume for the company any
other liability in connection with the sale of
thisproduct.Innoeventshallthecompanybe
liableforindirect,incidentalorconsequential
damages.

10
SBP8A INSTALLATION
Notes
Please keep your original sales receipt and be prepared to
providethisreceiptintheeventyourequireservice,asyour
original receipt is considered the best proof of purchase and
indicates the date you purchased your Dual product.
Dealer Name
Dealer Phone
Purchase Date
Registeryourproductonlineatwww.dualav.com
For Your Records
Register Your Product

11
SBP8A INSTALLATION
Specifications
160watts
80watts
20-200Hz
72dB
Lowlevel(RCA):10kohms
Highlevel(speaker):2Kohms
50mV–3V
70–200Hz
6dB/octave
0–180degrees
7.5 amp ATO
15.35”x9.22”x15.35”(WxHxD)
Design and specifications subject to change without
notice.
Maximum Output Power
Continuous Output Power
Frequency Response
S/N Ratio @ 1 watt
Input Impedance
Input Sensitivity (RCA)
Crossover Frequency
Crossover Slope
Phase
Fuse
Dimensions

DualElectronicsCorp.
TollFree:1-866-382-5476
www.dualav.com
©2009DualElectronicsCorp.Allrightsreserved.
NSA0609-V01
PrintedinChina