OSD Audio Mono Subwoofer Amplifier Manual de usuario

OWNERSMANUAL

MonoSubwooferAmplifier

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IMPORTANTSAFETYINSTRUCTIONS

1) Readtheseinstructions.z

2) Keeptheseinstructions.

3) Heedall warnings.

4) Followallinstructions.

5) Donotusethisapparatusnearwater.

6) Cleanonlywithdrycloth.

7) Donotblockanyventilationopenings. Install inaccordance withthemanufacture sinstructions.

8) Donotinstall nearanyheatsourcessuchasradiators, heatregisters, stoves, orotherapparatus

(includingamplifiers)thatproduce heat.

9) Donotdefeatthesafetypurposeofthepolarizedorgrounding-typeplug.Apolarizedplughastwo

bladeswithonewiderthantheother.Agroundingtypeplughastwobladesand athirdgrounding

prong.Thewidebladeorthethirdprongareprovidedforyoursafety. Iftheprovidedplugdoes not

fitintoyouroutlet, consultanelectricianforreplacementoftheobsoleteoutlet.

10) Protectthepowercordfrombeingwalkedonorpinchedparticularlyatplugs, convenience

receptacles, and thepointwheretheyexitfromtheapparatus.

11) Onlyuseattachments/accessoriesspecifiedbythemanufacturer.

12) Useonlywiththecart, stand,tripod,bracket, ortablespecifiedbythemanufacturer, orsoldwith

theapparatus.Whenacartisused,usecautionwhenmovingthecart/apparatuscombinationto

avoidinjuryfromtip-over.

13) Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

14) Referallservingtoqualifiedservice personnel. Servicingisrequiredwhentheapparatushasbeen

damagedinanyway, suchaspower-supplycordorplugisdamaged, liquidhas beenspilledor

objectshavefallenintotheapparatushasbeenexposedtorainormoisture, doesnotoperate

normally, orhasbeendropped.

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Thesymbolinfigure17 shallbeshownbeshownadjacenttothetextofitem12 above.

Toreduce theriskoffireorelectricshock, donotexposethisapparatustorainormoisture.

15) Warningtoreduce theriskoffireorelectricshock, donotexposethisapparatustorainormoisture.

16) Warning:themainsplugoranappliance couplerisusedasthedisconnectdevice,thedisconnect

device shallremainreadilyoperable.

17) Donotblockanyventilationopenings. Leaveanopenspace around theequipment.Neverplace the

equipmentonabed, sofa, rug, oranyothersimilarsurface. Donotplace apparatustocloseto

drapes/curtains/walls, orinabookcase, build-incabinet,oranyothersimilarplacesthatmay cause

poorventilation.

18) Theapparatusshouldbeconnectedtoamainssocketoutletwithprotectiveearthingconnection.

19) Theusershouldnotattempttoservicetheappliance beyond thosemeansdescribedintheoperation

instruction.All otherservicingshouldbereferencedtoqualified.

Warning:TheseclassIapparatusshallbeconnectedtoamainssocketoutletwithaprotectiveearthing

connection.

Caution:onlymakeconnectionwhentheamplifieristurnedoff.

Theretwooutputterminalsonthebackoftheamplifier, onepositiveandonnegative. There

arethree waystobindingpostoutputterminalsallowforavarietyofwaystoconnectoursubwoofer

wiringtotheamplifier, includestrippedwire, spadeconnectors, etc.Youmustuseaminimumof

14-gaugespeakerwire. Besureallconnectionsaresolid.

Congratulationsonyourpurchaseofthesubwooferamplifier!Thesubwooferampwillprovidetheexcellent

performanceandreliability.Toreceivethebestperformance fromyouramp, pleasecarefullyreadthe

instructionsinthismanual.

PLACEMENT

DO:

lPlace theamplifierwiththefeetrestingonasolidflatlevelsurface.

lPlace theamplifierinawell-ventedarea toprovidepropercooling. Inareasthatlackproper

ventilation, suchastightcabinetsorracks, itmaybenecessarytoinstall smallfanstocreateair

movement.

DON T:

lDon tblocktheventilationholesonthetoporbottomoftheamplifier. Neverplaceitoncarpeting

orsimilarmaterial.

lDon tplacetheamplifierinanyotherpositionotherthanhorizontalwiththefeetdown. Never

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place onitssideorrestingonthebackwheretheterminalsarelocated.

lDon tplacetheamplifiernearheatsources,orinanarea thatitwouldbeexposedtomoistureor

excessivehumidity.

YOU SHOULDKNOW

lThepowersupplymaycauseahumtobeheardinsomecomponentsiftheyareplacedveryclose

totheamplifier.

Installation

PleaseuseDiagram1tofamiliarize yourselfwiththerearpanelofsubwoofer.

DIAGRAM1

SubwooferRearPanel

INSTALLATION(continued)

1. ConnectingtheSubwoofertotheAmplifier

CAUTION: Onlymakeconnectionswhentheamplifieristurnedoff.

Thereare2outputterminalson thebackoftheamplifier,onepositiveandonenegative(seediagram1).These

3-waybindingpostoutputterminalsallowfora varietyofwaystoconnectyoursubwooferwiringtotheamplifier,

includingstrippedwire, spadecon-nectors, etc.YouMUSTusea minimumof14 gaugespeakerwire. Besureall

connectionsaresolid.

2. ConnectingtheAudioInputs

CAUTION: Toavoidpossibledamagetotheamplifierorsubwoofer, onlymakeconnectionswhentheamplifieris

turnedoff.

.LFE(LowFrequencyEffects)Input –IfyourpreamplifierorreceiverhasaSubOutorLFEout, youcanconnectittothe

LFEinput.BeawarethatusingtheLFEinputbypassestheamplifier sadjustablelowfrequency(lowpass)crossover.

.LineLevelInputs(Left &Right) –Thelineoutputsfromapreamplifierorreceivercanbeconnectedtothelinelevelinputs

oftheBass powerwithRCAcables. Ifthelinelevelsignalisalsorequiredbyotherequipment,youcancon-nectthelinelevel

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outstoanotherdevice. (See theLineLeverOutputssectionbelow.)

.Speaker LeverInputs(Left&Right) –Theseinputscanbeusedifyourreceiverdoesnothaveasubwooferoutputorasetof

lineoutputjacks.Beingsuretoobserveproperpolarity, connecttheleftand rightpairof mainspeakeroutputwiresfromyour

amplifierorreceivertothespeakerlevelinputterminalsof theBass Poweramplifier. Thenconnectaleftandrightpairof

speakerwiresfromtheBass Powerspeakerleveloutputtoyourmainspeakerterminals.(See SpeakerLevelOutputsection

below)

3. ConnectingtheAudioOutputs(optional)

.LineLevelOutputs(Left &Right) –Sourcesconnectedtothelinelevelinputscanbeforwardedtootherreceiversor

amplifierslinelevelinputs.Bydoingthisyoucanpass-ontheaudiosignalforusebyanothercomponent.Connect RCAcables

tothelineleveroutputsectionsof theBass PowerandtheLinelevelinputsof areceiveroramplifier.

.SpeakerLevelOutputs(Left &Right) –Connectaleftandrightpairof speakerwiresfromtheBass Powerspeakeroutputs

terminalstoyourmainspeakers. Themainspeakerswillstillbepoweredbyyoursystem sreceiveroramplifier.

4. DualVoltageSwitch(See Diagram2)

ForuseintheU.S.,theBass Powerconespresetfromthefactoryat 115V. Foruseinothercountries,thevoltageswitchmay

needtobechangedto230V. (Pleasenotethataplugadapteroralternatepowercordmayberequired.)

DIAGRAM2

Dual VoltageSwitch

4. ConnectingtheAC Power

PlugthesocketofthesuppliedACcordintothereceptacleontherearoftheamplifier. Plugthe3-prongplug

directlyintoa wall outlet. If youwishtoplugtheamplifierintoa preamplifierorreceiver sswitchedoutlet,make

sureitisratedatleast600watts.However, itisalwayssafertoplugtheBass PowerdirectlyintoanACoutlet.

AMPLIFIEROPERATION

PleaseuseDiagrams1 3tofamiliarizeyourselfwiththefrontandrearpanelsofthesubwooferPower.

CAUTION: pleasereadall thefollowing instructionstopreventcausingdamagetoyoursystem.

FrontPanelControls

PowerSwitch

Theswitchmarked “power”onthefrontpaneloftheamplifierwill turnoff all amplifiercircuitryincludingAuto

sensecircuitry.

lVolumeControls

Usethistomatchtheoutputlevelofthesubwoofertothatofthemainspeakersinthesystem.Werecommendthat

youplaya varietyofmaterialbeforeselectinga setting.Startwiththecontrolturnedcompletelycounterclockwise

(off) andslowlyturnitup. NOTE: Turning thevolume up slowlywillpreventpossibledamagetothewooferfrom

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the system being run too “hot”. Very little movement of the knob is needed.

CAU T I ON: if a popping sound (clipping) is audible through the subwoofer, it is being over drive, reduce

the volume of the amplifier, or speaker damage may occur! (See Volume L imit Control for proper

adjustment of volume settings to avoid distortion damage.)

L ow Pass F ilter

Use this control to adjust the upper frequency limit of the subwoofer Power. T he purpose is to control the overlap of

the subwoofer Power’s upper frequencies and the main speaker’s lower frequencies. If adjust well, this allow

seamless blending of the subwoofer with the speakers.

Phase C ontrol

T his control allows you to match the arrival times of the sound waves of the Bass Power and the

main speakers to your listening area. While the system is playing, flip the switch to the 180!and

back to 0!until the bass sounds louder or less boomy. Depending on the subwoofer placement and

room acoustics, this control may have little or no effect.

DI A G RA M 3

Subwoofer front panel

"R ear Panel C ontrol

.Volume L imit C ontrol

Use this control to adjust the maximum volume setting for your subwoofer power system. With the level

control and front panel volume control turned all the way down (counterclockwise), turn on the subwoofer

and start playing audio through your system.

T R OUBLE SH O OT I NG

T he B ass Power Subwoofer System is designed to function trouble-free. Most problems occur because of

operating errors. If you have a problem, please check the troubleshooting list first. I f the problem persists,

contact Tech Support at or e-mail us at

T he pr oblem Possible C auses and Solutions

No sound is heard. Audio to the amplifier is not connected properly. Check this and other system component

manuals to be sure of proper connections.

The cable is bad. Use another cable that you know is good.

L oose or frayed wires. Check for solid, clean connections on all speaker wire terminals.

Volume L imit C ontrol is set too low. SeeVolume L imit Control for adjustment procedure.

A hum or buzzing sound is heard. T he sound may be caused by a ground loop in the system. Try to eliminate this by revers-

ing the A C plugs of other components in the system.

Try plugging the ampli fier into another outlet.

Other causes may include faulty cables.

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1-562-697-2600 Support@osdaudio.com.

The amplifier will not turn on. There may be AC power problems. Check the AC circuit and plugs. Be sure the power

switch is turned on.

Audio cable to the amplifier is not connected properly. Check this and other system

component manuals to be sure of proper connections.

The cable is bad. Use another cable that you know is good.

L oose or frayed wires. Check for solid, clean connections on all speaker wire terminals.

The Protection Circuit cuts in

momentarily and then returns to normal.

The circuitry in the amplifier has detected that the amplifier is in danger of overheating.

Normally, this would happen infrequently and momentarily. If is persists, the amplifier

may need to have more adequate ventilation.

The Protection Circuit cuts in and does

not return to normal.

There may be a fault in the wiring, the speaker, or the amplifier. Turn the power switch

o and then on again. If the amplifier immediately returns to the protection mode, turn it

o and check all of the wiring, including all connections at the amplifier, at the

subwoofer, and any connections made to the terminals on a wall plate.

SP EC IFIC AT IONS

Type: Mono ClassAB dedicated subwoofer amplifier

Power Output: 150 watts

Crossover: Variable L ow Pass Crossover 35 Hz to 180Hz

Auto Off Time: 20 minutes

Auto On Sensitivity: 5 mV

In our attempt to constantly improve our products,features and specifications are subject to chang without notice.

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14”x 17 1/4” x 4” (356mm x 437mm x 102mm)

Dimensions D*W*H

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