Control Panel Features

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1. Bass Level

3. Phase 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 this 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.

2. Crossover Frequency

This controls the high frequency cutoff point. With the control set to the 100Hz mark, the subwoofer will reproduce frequencies up to 100 Hz. If the control is set fully clockwise, the crossover is bypassed and the subwoofer will reproduce a wide frequency range. With the control fully counter-clockwise the subwoofer reproduces a narrow range, up to 35 Hz.

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

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 Frequency and Bass Level controls after the phase has been set.

4. Outputs

Line level high-pass output signals are available at these jacks. These outputs are active whenever a signal is hooked up to the inputs of the subwoofer. This crossover is a passive network with a fixed crossover frequency of 70 Hz and a 6 dB per octave slope.

We recommend using this high-pass function with main/satellite speakers that are small and not designed to reproduce low frequencies. If your main speakers are capable of operating full range, then you will not need to use the high-pass function.

6 User's Manual