Owner`s manual

15
 Caution! Alwaysturnoffthemainpowerandwaitafewsecondsforthe
powersupplytodischargebeforechangingthepositionofthe
polarityswitch.
Ifyouareindoubtastowhichposition(0°or180°)isthecorrectonefor
yoursystem,playsomematerialwithsignicantenergyatandaround
yourchosencrossoverfrequency.Pinknoisewillalsowork.Thenlistento
thesystemwithboththeSCSandthemainspeakersplaying.Theposition
withmoreenergyatthechosencrossoverregion(e.g.,thepositionthat
soundslouderormore“full”)isthecorrectposition.
3. Balanced (XLR) Inputs
ThreeXLRinputconnectorsareprovided,asfollows:
SSP/Direct• :forusewithasurroundsoundprocessor/preamplier.This
inputbypassesboththeinternalcrossoverandlevelcontrolofthe
SCS,sincebothofthesefunctionsarehandledbytheSSP.
Left & Right• :foruseinsystemsthatlackanybassmanagement(as
wouldbeprovidedbyasurroundprocessor).Forexample,youcan
runtheLeftandRightoutputsofatraditionalstereopreamplierinto
theseinputs,andthensetthecrossoverfrequencyandsubwoofer
levelontheSCSitself.Ifyourpreamplierdoesnothavemultiple
outputs,useaY-adaptertosendthesamefull-rangesignaltoboththe
SCSandthepoweramplierforthemainspeakers.
Balancedinterconnectsarelesssusceptibletopickingupnoisethanare
single-endedinterconnects.Assuch,ifyoursystemgivesyouthechoice
ofusingeitherbalancedorsingle-endedconnections,thebalanced(XLR)
connectionsarepreferred.
4. Single-Ended (RCA) Inputs
ThreeRCAinputconnectorsareprovided,asfollows:
SSP/Direct• :forusewithasurroundsoundprocessor/preamplier.This
inputbypassesboththeinternalcrossoverandlevelcontrolofthe
SCS,sincebothofthesefunctionsarehandledbytheSSP.
Left & Right• :foruseinsystemsthatlackanybassmanagement(as
wouldbeprovidedbyasurroundprocessor).Forexample,youcan
runtheLeftandRightoutputsofatraditionalstereopreamplierinto
theseinputs,andthensetthecrossoverfrequencyandsubwoofer
levelontheSCSitself.Ifyourpreamplierdoesnothavemultiple
outputs,useaY-adaptertosendthesamefull-rangesignaltoboththe
SCSandthepoweramplierforthemainspeakers.
5. Crossover Frequency Control
WhenusingtheLeftandRightinputs,thisush-mountedcontroladjusts
thecrossoverfrequencyofthelowpasslterintheSCSbetween50-80
Hz.UseittoestablishasmoothtransitionfromtheSCStoyourmain
speakers.