Low-Pass Filter (Hz)
The
As a general rule, the
Please note, the settings on this knob are bypassed altogether if the “Custom
Phase Control
The Phase control is entirely dependent on numerous factors includ- ing the size and configuration of your listening environment, the placement of the unit, and seating arrangement. Due to the way bass sound waves develop in different rooms there is no rule of thumb for setting phase. For instance, if your room has a peak at the subwoofer crossover area, you may wish to set the phase so the actual acoustic outputs of the subwoofer and main speakers are out of phase. Experiment and try different settings and be patient.
If you are using the subwoofer to augment other MartinLogan products, we suggest starting with the phase set at 90°. If you are using a Custom
In a system where phase is properly set, the main speakers and subwoofer should work together and sound as if there is more total bass in the system. If your main speakers and subwoofers are out- of phase their sound waves will cancel each other and total bass output in the system will sound decreased. Again, experiment and listen for the smoothest bass without any prominent or absent notes.
Mode
The ‘On/Auto (Trigger)/Off’ switch controls the subwoofer’s energy saving feature. The 'On' setting prevents the sub from entering energy saving mode. When set to 'Auto (Trigger)', the sub will turn on when a music signal is detected and off after
several minutes without a signal. If a
Status Light
Your subwoofer is equipped with a
No color: No power. The subwoofer is not plugged in or has shutdown due to an overload condition. Unplug the subwoofer and plug it back in to correct.
Green: Play mode. This indicates the subwoofer detects an audio signal and has automatically switched into play mode.
Red: Standby. This indicates your subwoofer has switched into a power saving mode.
Tone Sweep
Holding this button for
Room EQ
This button allows you to toggle room correction on and off. If the LED below this button is lit the configuration from the PBK room correction system is being used. If the LED is off the room correction is not being used. If you press the button and the LED flashes for
Custom Low-Pass
This button allows you to toggle an optional custom
English
Controls 19