Fine tuning – Legacy Audio Pro 12 Subwoofer User Manual
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Fine Tuning
Level (Min/Max): This will allow you to adjust 
the volume level played by the subwoofer. It 
only controls the subwoofer level, not the level 
of any of the other loudspeakers in the 
system, even if they’re hooked up in parallel. 
Adjusting the Pro 12 Subwoofer
On the back panel of the Pro 12 Subwoofer 
you’ll notice four controls: Level, Freq., and 
Phase. These allow an extraordinary amount 
of control over your subwoofer. These 
controls will allow you to tailor the sound of 
the sub to your room and integrate with your 
main speakers. 
Freq.: This control allows you to adjust the low 
frequency information. The crossover 
frequency range of Pro 12 is 40 Hz -200 Hz.
