Emotiva UPA-1 Manual

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SeriesandParallelSpeakerConnections

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Wheneverconnectingmorethanonespeakerperchanneltoanamplifier,youmust considerthewayinwhichtheamplifier

willbeimpactedbyaddingtheadditional speaker(s).Additionally,speakerswithdualvoicecoilsalsoapplytothis

consideration.Twovoicecoilsinasinglespeakeralsocausedifferentreactionsfromanamplifierdependingonthewayin

whichtheyconnecttotheamplifier.

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Theconnectionofmorethanonespeakerperchannelwillmaketheamplifierrunwarmer.Forthebestsonicresults,use

onespeakerperamplifierchannel.Ifyoumustconnectmorethanonespeakerperchannel,therearetwomethodsinwhich

todoso:SeriesandParallel.

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SeriesConnection

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Aseriesconnectionisestablishedwhenvoicecoilsareconnectedinastring–endtoend–sothere’sonlyonewayforaudio

signalstoflow“in”andonlyonewayforaudiosignalstoflow“out”.Forexample,ifyouweretoseries‐connecttwo

speakerstothefrontrightchanneloftheamplifier:

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• Thepositiveoutputterminaloftherightchannelconnectstothepositiveinputpostofthefirstspeaker.

• Thenegativeinputpostofthefirstspeakerconnectstothepositiveinputpostofthesecondspeaker.

• Thenegativeinputpostofthesecondspeakerconnectstothespeaker'snegativeoutputterminaloftheright

channel.

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Thetotalimpedanceofspeakersinseriesisfoundbyaddingtheirimpedancestogether.Forexample;two,four‐ohm

speakersinseriesisaneight‐ohmload.Seriesconnectionsareeasierontheamplifierthanparallelconnectionsasthetotal

impedanceishigherthandrivingasinglespeaker.

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AnexampleofaSERIESconnectionbetweentwospeakers.

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