Module Description, Operation And Specification - SoundCraft SM 16 User Manual

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Input
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The sensitivity of both the XLR and the HIGH IMPEDANCE (HI-Z jack) inputs
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is adjusted by the SENS control. Both inputs are electronically balanced.
XLR input sensitivity: -2dBu to -70dBu, +10dBu to -20dBu (switched range.)
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High Impedance input sensitivity: +10dBu to -20dBu
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2
When the RNGE (Range) switch is depressed the lower sensitivity range of the
input is selected to allow line level signals to be used. The signal is still taken from
the input XLR, unless a jack is inserted into the HI-Z input socket, when the signal
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from that is used instead. Note that when the RNGE switch is released the HI-Z
input socket cannot be used.
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3
The 48V switch, when depressed, applies 48V phantom power to the
input XLR. An integral red LED in the switch indicates when the phantom power
is on.
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The PHASE switch reverses the phase of the selected input.
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The cutoff frequency of the secondorder highpass filter is varied, between 30Hz
and 400Hz, by the FILTER FREQUENCY control. The filter is deactivated
completely by an integral switch when the pot is fully anticlockwise.
Frequency Response Curves of the High-Pass Filter
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Equaliser
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The EQ section is four band: with shelving sweep high and low frequency sections,
and two peaking sweep mids with switchable Q.
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The shelving HF section has a maximum cut or boost of 15dB and the frequency
is variable between 1kHz and 20kHz.
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The peaking HMF (High Mid) section has a maximum cut or boost of 15dB
and the frequency is variable between 600Hz and 12kHz.
Input Module