Definitive Technology ProSub 60 Owner's Manual

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Contents

Definitive Technology ProSub 60 Owner's Manual Manual pdf 9 page image

Your Definitive Technology ProSub 60 subwoofer is equipped with a fullcomplement of operating controls to ensure complete flexibility and maximumperformance in any installation. Most of them basically are the “set and for-get” type, although occasionally certain controls will require minor adjust-ments.Gain ControlOn the back panel of your subwoofer is a gain (volume) control. This controlis used to raise or lower the output level of your subwoofer in relation to theother speakers in your system.Low Pass FilterYour subwoofer’s back panel features a continuously variable low pass filter.This filter is continuously variable between 40 and 150 Hz. This low pass fil-ter control is used to obtain the optimum transition between the subwooferand your main speakers. This control should be set by ear for best perfor-mance in your room. Set it to where it sounds best to you. If you are runningyour main speakers full range, we would generally recommend setting thelow pass filter fairly low (40-70 Hz). When using the ProSub 60 withDefinitive ProMonitors, please consult the instruction manual section“Using the ProSub 60 with Definitive ProMonitors.”Your subwoofer contains a built-in, active powered subwoofer section aswell as an electronic crossover and so each subwoofer must be plugged into anelectrical socket of the appropriate voltage (as indicated on the back of yourunit) using the plug on the end of the black cord attached to the electronicsmodule on the back of the loudspeaker. The subwoofer has a special circuitwhich automatically turns the powered subwoofer section on when a signal isfed to the loudspeaker and does not require an on-off switch. The red LED onthe back panel will light up when a signal is sensed and the amplifier turns on.It will automatically turn off a little while after the signal is discontinued.The ProSub 60 has a special circuit which automatically turns the poweredsubwoofer section on when a signal is fed to the loudspeaker and does notrequire an on/off switch. We suggest plugging the ProSub 60 into a circuitwhich is on all the time and not into a switched outlet. When the ProSub 60is plugged into a circuit and receives AC current, initially you will hear a rela-tively loud pop which is completely normal as the system first activates itselfto stand-by mode. Then, when a program signal is fed to the speaker it willfully activate itself with a lower level pop which is normal. If you unplug thespeaker or turn off the AC current going to it, it will reactivate itself with apop when AC current is restored, which is normal.Please note that after the cessation of a signal, it may take up to an hourfor the amplifier to actually turn off from active to standby mode. In someinstances, because of RF presence in your area, the red LEDs may not turn off.However, this is nothing to be concerned about as the amplifiers draw almost nopower when they are idling.Operating ControlsPowering Up Your Subwoofer9

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