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3.2 SPEAKER SETUP
If your source components also have bass management and time alignment, be sure
to disable them by setting all channels “large” and to the same distance from listener
since the receiver will be performing these tasks. Audio quality will be degraded if these
processes are performed twice.
TWO CONFIGURATIONS
One speaker configuration is normally suitable but two sets of bass management, listening
position, level calibration, and ARC equalization values can be entered and stored. This can
be useful if your installation varies according to sound-altering characteristics such as screen
up vs down, door open vs closed, or with subwoofer vs without.
BACK AMP (MRX 710/510)
This assigns how the sixth and seventh amplifier channels will be used. Main Back is the
default and is meant for use with 7.1 speakers in the main zone.
Select Zone 2 if using up to 5.1 speakers in the main zone and 2 speakers in Zone 2.
MAIN FRONT BIAMP SETTING
This can be useful with up to 5.1 speakers in the main zone and no speakers in Zone 2
if the front Left/Right ones allow biamping (not to be confused with biwiring, where two
sets of cables are used by one amplifier channel). Bi-amplification is where two amplifier
channels are connected to one speaker, with one powering the speaker’s woofer section
and the other the mid/tweeter section. Speakers that allow this have two sets of connection
terminals. The jumpers between the terminal pairs must be removed before the system is
connected, otherwise permanent damage to the amplifier may result.
Keep in mind that best practice is to use amplification with enough power for the application
and that the purpose of biamping is to get the most out of existing equipment should a
situation arise where the amplifier may be at its output limit. If one channel is doing so, the
other speaker section, still operating within its limit, is immune from distortion generated by
the overworked section. By contrast, in a conventional setup with one amplifier channel
amplifying the entire range, the distortion that may result, for example, from excessive bass,
can affect the entire frequency range through the midrange driver and tweeter instead of
being confined to the woofer.
Common misconceptions are that the purpose of this configuration is to increase maximum
output, and that the speaker’s passive crossover is subject to excess levels of unneeded
frequencies, thus wasting the amplifier’s power. In reality, power delivery outside of the
section’s frequency range is negligible due to its rising impedance (no wasted power), and
the total power delivery across both speaker sections is no different than in the conventional
setup (no power increase).
Speaker Setup
Config 1
Config 2
Back Amp Main Back