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64 ALLEN&HEATH iLive Reference Guide AP6526 iss.3
The Main Mix
iLive features a choice of many different configurations of main mix from mono
to 4way and with different types of image control. Note that due to the DSP
architecture the buses are always allocated in pairs. Therefore a main mono
‘M’ mix uses two buses, a 3way LCR mix uses four buses. The main mix
masters always use one strip per output. Therefore an LR mix uses two fader
strips, a 4way LCRSub mix uses four fader strips.
Main mix types
None Preferred if the system is configured as a dedicated Monitor console
typically with plenty of Auxes but no Main mix. In this case turning off an Aux
master strip MIX key reverts the faders to being channel and mix masters with
no assignments or pan function in view.
M Single bus mono main mix.
LR Traditional stereo mix with left/right PAN function per channel.
LRSub A unique 3way main mix that provides 3 master faders and a dual
control channel imaging system which lets you dial in the amount of sub level
using a dedicated control per channel. Innovated by Allen & Heath, it is a new
and more convenient way of mixing with separate sub bass feed than the
popular ‘Aux Fed Sub’ method. The rotary encoder becomes the PAN control.
Its shifted function is the SUB level control. Note that the SUB output is full
frequency range. Crossover processing is done typically using manufacturer
specific speaker system controllers.
LRM Similar to the above 3way mix but substituting ‘M’ for ‘SUB’. This
provides a convenient third output for driving a mono fill speaker.
LCR Traditional 3way LCR panning where the channel PAN control moves
the signal from left, through centre to right speakers.
LCRSub A 4way main mix with traditional 3way LCR panning and dedicated
SUB feed. The shifted function of the strip encoder provides the sub level
control.
LCRM Similar to the above but substituting ‘M’ for ‘SUB’.
LCRPlus A 3way LCR main mix pioneered by Allen & Heath. This provides
two image controls, PAN to position the signal between the L and R speakers,
and BLEND to position the signal between the LR speakers and C (centre).
Accepting the changes First ensure that you have stored the parameter
settings you want to keep as a Scene memory to recall after the configuration
change. Touch Apply to accept the changes you have made. A popup box
appears to let you confirm or escape from the changes.
Surface strip assignments Having made changes to your input and mix bus
configuration you may need to map your new inputs and masters to the fader
control strips across the four layers. Use the SURFACE SETUP screen to do
this.
Storing your configuration You can save your configuration and system
setup as a Show memory to use again in the future. This can be transferred
between iLive systems or archived to your PC via USB memory key. To
access the Show memories go to the UTILITY / Configuration / Show
Manager page.