User Manual
SiX User Guide
Detailed Description
15
Main Meter
The twelve Segment LED ‘main’ meter in SiX follows the Monitor Source selector to provide a more
versatile output metering solution. The fast response peak meter has specic segments for +24 dBu
and +18 dBu as with the channel meters, it also has a +15 dBu segment for other standards as well as
0dBu. The meter has a fast peak response (rise time to 60% Full Scale Deection approx 1ms @ 1kHz)
and a slower release to meter peaks while still showing useful signal levels.
Main Bus
The Main Stereo Bus on SiX connects to dedicated MAIN XLR outputs on the rear connector panel. These are
balanced XLR connectors with pin 2 carrying the +ve (hot). Connection details are in the Connectors section,
later in the document.
The high quality 100mm Main Bus stereo fader controls the Main Bus level to the Main outputs and has gain up
to +10 dB. As with the channel faders, the fader law is designed to provide more resolution around the 0dB point,
allowing subtle level changes from modest fader movements.
Main Bus Summing
Above the Main Fader are switches for the Main Bus Insert (See below), EXT 1, EXT 2 and ST CUE 1. These last
three switches sum these signals onto the Main bus. This provides the ability to sum six additional signals into
the Main bus. An example of how this can be used is to add additional analogue summing from DAW outputs, or
to effects return signals into the main mix, or simply cascade additional mixers such as additional SiX consoles.
Main Bus Insert
In the Main Output signal ow is a fully balanced stereo insert. In common with larger SSL consoles, the Insert
Send is always active, while the Insert Return switches into the signal path when selected.
The primary use for this is to insert external processing into the Main Bus signal path. For example to insert an
analogue colouration processor, such as SSL’s Fusion. As the Insert Send is at unity gain, it also provides a
useful pre-processing and pre-fader Main Bus split output.
The switched Insert Return also provides a direct, pre-fader input into SiX's Bus Compressor circuit so that this
circuit can be used outside of the normal SiX signal ow.
The Main Bus stereo insert send and return are found on the rear panel 25 way D-Type connectors. Wiring details
are in the Connectors section, later in the document.