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274 Chapter 6 Logic’s Mixing Facilities
Post and Pre Fader Aux Sends
Sends in analog mixers are positioned either before (“pre”) or after (“post”) the fader. To
select one of these options in Logic, click-hold the Send slot. The Bus menu opens, and
you may select either Post or Pre at the top of the list.
A post fader signal level, routed to the Send, changes along with volume fader
movements. If you are using the Send to route a signal from the channel to a reverb,
this means that the relationship between the original signal and the effect signal
remains constant. When you pull the channel’s volume fader all the way down, the
reverb disappears as well. This setting is generally the most useful, and is the default in
Logic.
If a Send is set to be pre fader, the level of the signal routed to the Send remains
constant, regardless of any volume fader movements on the source channel. The signal
is still fed to the selected bus—even if the channel’s volume fader is completely pulled
down. Pre fader sends are mainly used for monitoring tasks; headphone monitoring in
the studio, or foldback monitoring on stage. Pre fader sends are also useful when you
want to hear the effect signal in isolation (without the original signal). The equalizer still
affects the sends in “pre fader” mode (pre fader, post EQ).
Stereo Sends
Logic allows you to assign the sends of mono tracks to stereo busses (or stereo
outputs). It’s unnecessary to assign two sends to address a true stereo reverb plug-in.
Post Pan
Only applicable to TDM hardware: you can use the “Post Pan” option when using
stereo sends on mono Objects. This divides the signal sent to the stereo send
destination into left and right channels, in accordance with the pan knob setting. This
might be useful if a reverb plug-in includes processing of the pan position. To avoid
confusion with the Pre/Post fader modes, this option only appears when using stereo
sends in mono Objects.
Double-click on Send
Double-clicking on a Send slot of any audio channel will “jump” to the allocated Bus
channel fader, making navigation easier in the Mixer windows.