Mackie Thump18S - Rear Panel Connectivity; Power Connection; Power Switch and LED; XLR Inputs

Owner’s Manual
9
Owner’s Manual
Thump18S Subwoofer: Rear Panel Features
1. Power Connection
4HISISASTANDARDPRONG)%#POWERCONNECTOR
#ONNECTTHEDETACHABLEPOWERCORDINCLUDEDIN 
THEPACKAGINGWITHTHESUBWOOFERTOTHEPOWER
RECEPTACLEANDPLUGTHEOTHERENDOFTHEPOWER 
CORDINTOAN!#OUTLET
-AKESURETHATTHE!#POWERISMATCHEDTO
THE!#POWERINDICATEDONTHEREARPANEL
BELOWTHE)%#RECEPTACLE
$ISCONNECTINGTHEPLUGSGROUNDPINIS
DANGEROUS$ONTDOIT
2. Power Switch
0RESSTHETOPOFTHISROCKERSWITCHINWARDSTOTURNON
THESUBWOOFER0RESSTHEBOTTOMOFTHISROCKERSWITCH
INWARDSTOTURNOFFTHESUBWOOFER
!SAGENERALGUIDETHEMIXEROROTHERSIGNAL
SOURCESHOULDBETURNEDONlRST4HUMP3
SUBWOOFERSNEXTANDLOUDSPEAKERSLAST 
!SSUCHTHELOUDSPEAKERSSHOULDALSOBETURNEDOFFlRST
FOLLOWEDBYTHESUBWOOFERSTHENTHEMIXER4HISWILL
REDUCETHEPOSSIBILITYOFANYTURNONORTURNOFFTHUMPS
ANDOTHERNOISESGENERATEDBYANYUPSTREAMEQUIPMENT
FROMCOMINGOUTOFTHESPEAKERS
3. Power LED
7HENTHEPOWERSWITCHISTURNEDONnANDTHEPOWER
CORDISCONNECTEDTOANACTIVE!#MAINSSUPPLYnTHIS
,%$ILLUMINATESGREENTOINDICATETHATTHESUBWOOFERIS
INDEEDREALLYON4HECOOLGREEN,%$ONTHEFRONTOFTHE
SUBWOOFERWORKSTHESAMEWAY
4. XLR Inputs
"ALANCED8,2FEMALECONNECTORSAREPROVIDEDFORTHE
LEFTANDRIGHTINPUTS#ONNECTTHEFULLRANGELINELEVEL
SIGNALFROMTHEMIXEROROTHERSIGNALSOURCETOTHESE
INPUTJACKS
)FYOUARECONNECTINGASINGLESUBWOOFEROUTPUTOR
,&%LOWFREQUENCYEFFECTSOUTPUTTOTHESUBWOOFER
YOUMAYUSEEITHERTHE!OR"INPUTCONNECTOR
.%6%2CONNECTTHEOUTPUTOFANAMPLIlER
DIRECTLYTOTHEINPUTOFTHESUBWOOFER 
4HISCOULDDAMAGETHEINPUTCIRCUITRYOFTHE
ACTIVESUBWOOFER
4HEYAREWIREDASFOLLOWSACCORDINGTOSTANDARDS
SPECIlEDBYTHE!%3!UDIO%NGINEERING3OCIETY
Balanced XLR Input Connector
0INn3HIELDGROUND
0INn0OSITIVEORHOT
0INn.EGATIVEnORCOLD
&ORMOREINFORMATIONONTHESECONNECTORSSEE
!PPENDIX"ONPAGE
2
3
1
SHIELD
COLD
HOT
SHIELD
COLD
HOT
3
2
1
Balanced XLR Input Connector
2
4
3
5
8
6
7
1