Operating Controls
Your Definitive Technology ProSub subwoofer is equipped with a full complement of operating controls to ensure complete flexibility and maximum performance in any installation. Most of them basically are the “set and forget” type, although occasionally certain controls will require minor adjustments.
Gain Control
On the back panel of your subwoofer is a gain (volume) control. This control is used to raise or lower the output level of your subwoofer in relation to the other speakers in your system.
Low Pass Filter
Your subwoofer’s back panel features a continuously variable low pass filter. This filter is continuously variable between 40 and 150 Hz. This low pass filter control is used to obtain the optimum transition between the subwoofer and your main speakers. This control should be set by ear for best performance in your room. Set it to where it sounds best to you. If you are running your main speakers full range, we would generally recommend setting the low pass filter fairly low
connecting your ProSub using the the LFE in, turn the low pass filter all the way up in order to get optimal impedence matching. When using the
ProSub with Definitive ProMonitors, please consult the instruction manual section “Using the ProSub with Definitive ProMonitors.”
Powering Up Your Subwoofer
Your subwoofer contains a
The ProSub has a special circuit which automatically turns the pow- ered subwoofer section on when a signal is fed to the loudspeaker and does not require an on/off switch. We suggest plugging the ProSub into a circuit which is on all the time and not into a switched outlet. When the ProSub is plugged into a circuit and receives AC current, initially you will hear a relatively loud pop which is completely normal as the system first activates itself to
8