With the LCR switch engaged and the pan-pot is panned Front and Center, the signal will be
routed to the Center Program Bus and the feed to the Front Left and Right Program Busses will be
defeated.
If the LCR switch is not engaged, the Center Program Bus will not be fed. Signals panned Front
and Center will feed the Left and Right Surround Program Busses (-3 dB per side) and will create
“phantom center image” between the speakers.
Assignment to the Left/Right, Center, and Left Surround/Right Surround Busses the may be
made:
•
Locally on the 16-channel Output Assignment module (5.1 button)
•
Via the recall system
The outputs of the 5-channel surround ACAs (SURROUND ACA OUT) are normalled to the L/R, C,
and SURR Surround Master Faders via the associated half-normalled patch points (SURROUND
FADER IN).
7.3
LFE Feed and Master
The LFE Master Fader and output are provided to support the Low Frequency Effects (subwoofer)
channel of a 5.1 or 7.1 mix. However, audio is NOT routed to the LFE Master Fader unless it is
patched. In other words, the Surround Program output will not have a LFE channel unless one is
created through routing and patching!
There is no LFE Program Bus or ACA. There is no access to the LFE program outputs from the
channel or E1068L pan-pots.
NOTE: While one of the SURROUND ACA OUT patch points is labeled “LFE,” there is no LFE ACA.
7.3.1
Creating a LFE Feed for 5.1 and 7.1 Surround Program Outputs
The LFE Filter is part of the Monitor Control system and is not part of the Surround Program
Bus. It is primarily intended for Control Room monitor Bass Management. Engaging the 5
TO LFE button in the Center Section will create a LFE feed to the subwoofer from the Left,
Right, Center, and L/R Surround monitor feeds. While the subwoofer is being fed, audio is
not fed to the LFE Surround Program outputs.
NOTE: A set of Bass Management functions and LFE routing options for Control Room
monitoring is provided. Refer to the 13.2.1 Bass Management section of this
manual for detailed information.
However, the LFE Filter can be bypassed in the Monitor Control system and used to create a
properly filtered LFE feed. This is accomplished with patching and parameter settings.
An LFE channel for 5.1 and 7.1 Surround Program outputs may be created in several ways:
•
Via a mono Auxiliary Send
•
Via a Multitrack Summing Bus fed by Fader 1 or Fader 2
•
Using an external LFE source
