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3.8 ON Switch
With S-4 on the circuit board in Power position this switch turns the entire power to the module on and off. An
audible pop will be introduced on the mixer's output if this switch is used during operation. This function is useful to
conserve power when only a few channels are being used.
With S-4 on the circuit board in Mute position all power is applied to the module but its output is muted unless the
switch is depressed. Channels can be preset and switched on to the mix bus during operation with no pop.
3.9 Aux level
The AUX potentiometer (auxiliary) allows separate mixing of different inputs for mono output or special effects
such as an echo room, etc. The PRE/POST push button allows selection of the modulation before (PRE) or after
(POST) the fader.
3.10 Limiter
Each input module is equipped with a limiter. The audio level above which the limiter is activated (Limiter LED lit) is
controlled by the THRESHOLD knob. The limiter may be automatically activated if the input gain is too high. This
will avoid saturation and ensure a supplementary margin of 6 dB over the maximum input level. This is why the
limiter cannot be switched off.
NOTE:
The limiter has no effect whatsoever provided the Limiter LED does not light up.
3.11 Overload LED
The OVD LED lights up 4 dB before saturation level. Overload is measured at mic amplifier output and the
equalizer output levels.
3.12 Pre - Fader Listening
The PFL selector allows pre-fader listening of each input after equalization.
3.13 Input Connector
The SONOSAX SX-S is equipped with NEUTRIK input connectors equivalent to XLR, Canon, Switchcraft, etc. The
standard SX-S version is equipped with female connectors.
The input is floating balanced, transformerless, to ensure optimal performance. On request, the SONOSAX SX-S
inputs may be equipped with high frequency R.F. filters.
NOTE:
Bridge PIN 3 to PIN 1 for asymetrical use!
DO NOT USE MIC POWER!
3.14 Insert Connectors
These are 3-pole, 4.4mm Mini-Jacks. The corresponding connector with 2 meters of cable, other end free is:
SONOSAX Part Nr 860133. Plugging the jack in INSERT opens the circuit between the LF cut output and the
equalizer, for insertion of a filter special effect, with asymetric send-return. This jack may also be used as a line
input. In this case, use only the return contact of the jack. The line input at this point avoids passing through the
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