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after completing the MultEQ Pro calibration, MultEQ XT cannot be enabled and the calibration
will have to be performed again with the new settings.
Subwoofer Configuration
Configure the input of each subwoofer to disable or bypass any low-pass filter present. This
might be accomplished with a switch or by using a different input (sometimes labeled “LFE” or
THX). If the low-pass filter cannot be defeated, turn it to its maximum frequency or THX setting.
Bypassing the low-pass filter gives MultEQ Pro the most flexibility in calculating filters and
crossover values. This will provide the best blend between satellite and subwoofer speakers.
Any subwoofer gain controls should be set to their nominal settings, such as at the THX position
or at 12 o’clock on a conventional level control.
Phase or polarity controls, if they exist, should be set to 0° or “normal.”
Disable any “Auto,” “Standby” or “Sleep” mode that may turn off the power to the subwoofer if
no signal is received. This will ensure that the subwoofer is always on and ready to output the
MultEQ test signal. Failure to disable this mode could mute the beginning of the test signal,
giving inaccurate subwoofer measurements.
Amplifiers
Turn on all amplifiers, disabling any “Auto,” “Standby” or “Sleep” mode if applicable. If a gain
control is present, turn it to its “THX” setting, if applicable.
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