Control Panel Features

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1. Power/Auto on Indicator

This light is bright when the subwoofer is on, and dim when the subwoofer is in its standby mode. This is controlled by the AUTO ON/OFF circuit. The presence of an audio signal turns the unit on. After approximately fifteen minutes of signal absence, the subwoofer will go to its standby mode.

The light will only go off when the unit is unplugged from the wall.

2. Volume Control

This control lets you match the output level of the subwoofer to the level of your satellite/main speakers. The subwoofer output will increase as the volume control is rotated clockwise. When you have just installed your system, turn this down first before turning on your subwoofer. This will prevent any loud surprises.

3. Crossover Frequency

This controls the high frequency cutoff point. With the control rotated fully clockwise, the subwoofer will reproduce frequencies up to 100 Hz. With the control fully counter-clockwise the subwoofer reproduces up to 35 Hz.

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Rotate the control until the bass sounds natural. If the mid-bass sounds natural but you want more low bass, turn the crossover frequency down a little, then turn the volume control up by about the same amount. This increases the low-bass output while leaving the mid-bass output the same.

4. Phase Control

This control changes the relative phase of the subwoofer with respect to your other speakers. Use this control to help blend the subwoofer with the rest of your system. This is accomplished by adjusting the control in small increments as you listen for the most bass at your listening position. As a final trim, readjust the crossover and volume controls after the phase control has been set.

5. Flat/Video Contour Switch

When this switch is set to FLAT, the frequency response extends down to 18 Hz. This is the recommended setting for most audio and video applications.

When set to Video Contour, a low frequency roll-off is introduced commencing below approximately

30 Hz. This setting may be used if your

6 User's Manual