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ConnectionConsiderations
UltraSeriesSubwoofersfeaturebothbalancedandunbalancedconnections(page10,points1&2).XLRconnectionsare
balancedlines,andaredesignedtorejectexternalnoise(frompowercables,EMIandRFIemissions,etc.)toagreaterdegree
thanstandardRCAconnections.Ifyourpreamplifier/processorisequippedwithabalancedsubwooferoutput,itis
recommendedthatyouuseanXLR/Balancedinterconnecttoassurethehighestdegreeofnoiseimmunity.
Beforesettingupyournewsystem,pleaseconsiderthefollowing:
• AlwaysmakesurethesubwooferisturnedoffbeforemakingorchangingANYconnections.
• Wheneverpossible,routethepowercordsawayfromthesignalcablesorspeakerwirestopreventhumor
interference
.
• Alwaysusewellconstructed,100%shielded,oxygenfreecoppercables.
ConnectingtoaStereoPreamplifier
1.XLR/Balancedpreamplifieroutput
2.BalancedInterconnect
3.XLR/Balancedsubwooferinput
4.RCA/Unbalancedpreamplifieroutput
5.RCA/Unbalancedsubwooferinputs
Usingafemaletomalebalancedcable,connect
thebalancedsubwooferoutputonthepreamplifier
(maleconnection)tothebalancedsubwooferinput
onthesubwoofer(femaleconnection).
RCA/Unbalancedconnections(4.5.)maybeusedif
thepreamplifierdoesnothaveabalanced
subwooferoutput.
Note:BothRCAinputs(5.)onyourUltraSubwoofer
aresummedinputs.Eithercanbeusedforasingle
outputtosingleinputconnection.Ifyouareusinga
multi‐channelaudio‐videoprocessorthathasLeft
andRightSubwooferoutputs,connectbothoutputs
tothesubwooferinputsforasummedconnection.
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