Mackie DLM12S - DLM12 S Subwoofer: Rear Panel Features; Normal;Invert Switch (Polarity); High Pass Outputs; Full Range Outputs

DLM12S Powered Subwoofer
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DLM12S Powered Subwoofer
DLM12S Subwoofer: Rear Panel Features continued...
5. Normal/Invert Switch [Polarity]
Thisswitchreversesthepolarityofthesignalgoing
intothesubwooferamplierby180˚.Ithasnoeffecton
thesignalattheoutputs.
Thereisnorightorwrongsettingforthisswitch.
Listentotheoverallblendofthesubwooferwith 
therestofthesystemandselecttheswitchposition
thatgivesyouthebestsoundforyouraudience.
Infact,yoursystemmayvarywhenpositioned 
differentlyandinalternatevenues.Don’tbeafraid
toexperimentwiththepositionofthepolarityswitch.
Seepage14formoreinformation.
6. High Pass Outputs
Typically,full-rangeloudspeakersareconnected
tothehighpassoutputsto“split”theworkwiththe
DLM12Ssubwoofer.Thesubwooferhandlesallofthe
lowfrequenciesandtheloudspeakershandletherest.
Asaresult,itismoreefcientandabitlouder.
BalancedXLRmaleconnectorsareprovided
fortheline-levelAandBhighpassoutputs. 
Thesubwoofer’scrossoversplitstheinputsignalsinto
twofrequencybands.Thelowfrequencyrangebelow
20Hz–200Hzgoestotheinternalamplierthat 
powersthesubwoofer.Thefrequencyrangeabove
20Hz–200Hzissenttotheseline-leveloutputjacks.
Thefrequencyrangedependsonwherethecrossover
(XVR)[11]isset.
7. Full Range Outputs
Connectthefullrangeoutputstotheinputsof 
anotherpoweredsubwoofer,poweredloudspeakers,
ortoanamplierpoweringpassiveloudspeakers.
BalancedXLRmaleconnectorsareprovidedforthe
line-levelAandBfullrangeoutputs.
Thesignalattheseoutputsisadirectcopyofthe
inputsignals.Theseoutputsallowyoutodaisy-chain
multiplesubwoofersand/orsendthefullrangesignals
toloudspeakers.It’sagreatwaytoaddsidells,too!
Seepage7tolearnmoreaboutdaisy-chainingDLM12S
subwoofers.
8. Stereo/Mono Switch [Full Range]
Thisswitchallowsyoutochoosewhetherthe 
AandBinputsaresentoutseparately[switchout]or
asamonosumofbothinputs[switchin].
Forexample,ifamixer’sL/Routputsareconnected
totheAandBinputsofaDLM12Ssubwooferandthe
fullrangeoutputsareconnectedtostrategicallyplaced
DLMloudspeakers,engagetheswitchsothesignalis
mono-summed.Otherwise,you’llgetjusttheleftor
rightsignalfromthemixer’soutputsentfromtheA
andBfullrangeoutputstotheDLMloudspeakers.
INPUTS FULL RANGEHIGH PASS
A
B
A
B
STEREO
MONO
NORMAL
INVERT
A
MEMDLYXVRVOL
BASS +2
TREBLE +2
AUX
LEVEL
2000W Digital Subwoofer
2000W
2W
4
10 11
12 15
1413
16
9
8517
76