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BU Series Powered Subwoofers – Owner’s Manual
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13
A WORD OF ADVICE
The Low-Frequency Roll-off and Volume controls may be set anywhere within their rotation.
However, it will be a most unusual circumstance if you have to set the Volume control
completely clockwise. This may indicate an unbalanced condition in your system (too much
bass) or an especially large room or room placement may not be correct. Try several other
locations before concluding that the Volume control must be set at maximum.
A WORD ABOUT TONE CONTROLS
The tone controls on your electronic components (preamplifier, receiver, etc.) should be used
with the utmost discretion. Excessive boost can create severe power demands on your power
amplifier. Maximum bass boost can create a demand for literally hundreds of watts in the bass
region, whereas, in the “flat” position, or with the tone controls switched out of the system,
your average listening level may be impressively and realistically loud at less than 10 watts. The
remaining power capacity required is on reserve for power peaks on sharp transients and
powerful crescendos.