Front Panel - SoundCraft SX2404 User Manual

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21/22 23/24
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LINE LINE
MP3 USB
Soundcraft SX Series User Guide V1.0
3. SX SERIES CONTROLS

3.2 FRONT PANEL

1- PHASE SWITCH(EXCEPT FOR CH21/22, 23/24)
This switch allows the user to invert by 180 the signal. This switch is very useful in a lot of
circumstances, in particular when several microphones are very close (e.g. Drum kit, brasses,
chorus, etc.) And the sound engineers notices interferences between microphones that can not
be solved moving the microphones.
2- LOW-CUT BUTTON
By pressing this button, you will activate a 75Hz low frequency filter with a slope of 18 dB per
octave. You can use this facility to reduce the hum noise infected by the mains power supply, or
the stage rumble while using a microphone.
3- GAIN
The GAIN control is applied in the mono MIC and stereo input channels. It provides with 2 dif-
ferent indications: One is for the MIC and the other for LINE levels. When you use a microphone,
you shall read the MIC ring (0~50 for mono MIC input, 0~40 for stereo channels); when you use
a line level instrument, you shall read the LINE ring (+15~-35 dB for mono MIC input, +20 ~-20
dB for stereo channels). For optimum operation, you shall set this control in a way that the PEAK
LED(15) blinks only occasionally in order to avoid distortion on the input channel.
4- LEVEL SET LED
This LED will help you to detect the input level immediately. In this case, the research of the
fault will become much faster!
5- LINE/MP3 BUTTON(CH 21/22)
By pressing this button, it will switch to the MP3 mode, the MP3 signal can be sent to this chan-
nel. By releasing this button, the LINE IN inputs signal will send to the input channel.
6- LINE/USB BUTTON(CH 23/24)
By pressing this button, it will switch to the USB mode, then the USB signal can be sent to this
channel; by releasing this button, the LINE IN inputs signal will send to the input channels.
EQUALISER
There are 2-band fixed and 2-band sweep EQ on mono channels: HI, MID-HI, MID-LOW and
LOW. There are 4-band fixed EQ on the stereo channel HI, HI-MID, MID-LOW and LOW band.
7- HIGH
If you turn this control up, you will boost all the frequencies above 12 kHz (shelving filter). You
will add transparency to vocals and guitar and also make cymbals crispier. Turn the control
down to cut all frequencies above 12 kHz. In such way, you can reduce sibilance of human voice
or reduce the hiss of a Tape player.
8- MID-HI(0.5-12K) & MID-LOW(80-2K)
This is a peaking filter and it will boost/cut frequencies from 100 Hz to 8 kHz depending on the
position of the MID freq control. This control will affect especially upper male and lower female
vocal ranges and also the harmonics of most musical instruments.
9- HI-MID
This control gives you up to 15 dB boost or cut at 3 kHz. It is useful for controlling voice. It can
accurately polish your performance via adjusting this knob.
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