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Subwoofer Setup

Step 1 

INPUTS:  Your subwoofer has three options for input connection.  Do not mix these inputs; whatever output you are using on your 
receiver or pre-amp needs to be connected to the same input on your subwoofer. 

RCA LOW LEVEL INPUT:  Th

  e most common input method is the RCA jack.  Using a standard RCA cable hook this input to an 

RCA sub output jack on your pre-amp processor or receiver.

BALANCED XLR INPUT:  If your receiver or preamp-processor has balanced XLR subwoofer line-out connections, you may 
connect a Balanced XLR male connector to the XLR female input on your subwoofer.    

HIGH LEVEL INPUT:  Use the “speaker-level” or high-level 5-way binding post connectors only if your receiver or preamp lacks 
a dedicated line-level subwoofer output jack. Connect speaker cables from your amplifi er’s left -channel and right-channel speaker 
output binding posts to the high-level inputs using banana plugs (single or dual), spade connectors, pins, or bare cable if you wish 
(unscrew the top of each binding post and insert the cable into the hole in the post; tighten the knurled knob against the cable).  
You can run the speaker cables either to the subwoofer fi rst or the speaker fi rst.  NOTE: BE SURE TO CONNECT BLACK TO 
BLACK AND RED TO RED.

Step 2 

LOW LEVEL OUTPUT (RCA or XLR Balanced) :  If you are using more than one subwoofer the line out allows you to connect 
one subwoofer to the next around your room.  Be sure to use the same cabling method as you have used from your pre-amp or 
receiver.  Do not mix the RCA, XLR Balanced, or High Level when daisy chaining multiple subwoofers.     

Step 3 

CROSSOVER :  If you are using the Bass Management crossover menu sett ings in your A/V receiver or pre-amp processor turn the 
subwoofer crossover control to 150 Hz.  If you are using the HIGH LEVEL (Speaker Level) binding-post inputs, set the subwoofer 
crossover switch to 80 Hz for any of our bookshelf models or 60 Hz for any of our fl oor-standing models.  Since every room and 
subwoofer location in it will react diff erently we suggest you try some other crossover sett ings as well, for example 40 Hz with a pair 
of M80s.  You may fi nd that the best sound in your room is achieved using a slightly higher or slightly lower crossover sett ing to our 
suggestion above.

Step 4 

VOLUME : Set the volume to 1/2 turn of the rotation range. Later, during the set up process, you will likely return to this volume 
sett ing to balance the output of the subwoofer to the other speakers. Your receiver may be equipped with an auto-setup feature.  
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  ese are very convenient but will not always give you the most optimum audio quality in your room.  If you have the time we 

would suggest doing your set-up manually.  You can always compare your manual setup to the auto-setup to see which one you 
prefer.  Aft er your initial set-up is complete, whether manual or auto, you may fi nd you want to turn your subwoofer volume up or 
down a small amount aft er listening to a variety of source material.  Sett ing up sub levels and proper sub placement in your room can 
be tricky but worth putt ing some eff ort into as the results will be signifi cant.  

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