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VERY IMPORTANT: Setting Channel Balance
and Bass Management Systems
Dolby Digital and DTS 5.1 (6.1, 7.1) systems and decoders have a critical
channel balancing procedure for the left and right front speakers, center
channel, rears and subwoofer (if it is hooked up through the “LFE or Sub
Out” low-level connection) which must be followed if the system is to perform
properly. We have spoken with many system users with problems relating to
the overall sound of their system which could be clearly traced back to
improper system balance. In fact, many users never realize that there is a
system balance procedure to be followed.
Also note that Dolby Digital and DTS 5.1 (6.1, 7.1) systems and decoders
have bass management systems (systems which direct the bass to the various
channels) which vary from unit to unit. This bass management system must
also be properly adjusted. We have spoken with many system users with
problems relating to the overall sound of their system which could be clearly
traced back to improper bass management. In fact, many users never realize
that there is a bass management procedure to be followed.
Your receiver or decoder’s bass management system should be set for
“Large” left and right main speakers and “Yes” subwoofer. If you have a
Definitive center channel with a built-in powered subwoofer, set your decoder’s
bass management center channel setting to “Large” (although you should
experiment with this to see what sounds best in your specific system). If you are
using large rear surround speakers with very extended low frequency response
such as a large Definitive floor-standing system or one with a built-in powered
subwoofer, set the rear channels of your decoder’s bass management system to
“Large.” If not, set them to “Small.”
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Your Mythos STs have a level control which allows you to perfectly tune the
output level of the powered low frequency subwoofer section to match your room
as well as to fulfill your own personal listening preferences. Please note that there
are no controls to vary the crossover points or phase because these have been
factory calibrated and set to provide perfect blending (a major performance benefit
of this innovative product). We suggest beginning with the level control set at
approximately 1 o’clock.
Setting Your Speakers’ Low-Frequency
Level Control
We suggest that when you are using a separate LFE input, you set the bass level
on your Mythos STs to sound balanced when listening to music in stereo and use
the .1 channel or bass level control in your Dolby Digital channel balancing
Setting Low-Frequency Balance When Using
Separate LFE Input