169 HD96-24-CC-TP User Manual
The side chain is equipped with a selectable bandpass lter with wide and narrow responses. This powerful feature greatly extends the capabilities of the multiple
compression and gating modes. Frequency-selective compression is a very eective and creative alternative to equalisation, with the wide bandpass lter response
being ideal to enhance the essential character of an instrument, allowing it to stand out in a mix without the use of harsh- or unnatural-sounding boosted EQ
responses. The SQ1 can also be used as a frequency-selective De-esser by selecting the narrow bandpass lter response to reduce sibilance or other undesirable
artefacts from vocals, or to remove specic resonances from instruments or programme material. When the SQ1 is operating as a noise gate, the side chain lter can be
used to select the key frequency in audio that can be used to trigger the operation of the gate, especially useful with drums kits and percussion instruments.
Item Control Function
1 Comp or Gate button The SQ1 can operate as either a Compressor (Comp) or Gate.
2 Threshold control The threshold determines when the compressor starts to compress the signal.
3 Comp Gain control Adds gain to compensate for the gain reduction.
4 Ratio control The ratio control determines how much compression is applied to the signal.
5 Attack control Controls the speed that the compressor responds to signal’s that exceed the level set by threshold.
6 Release control
Sets the time taken for the signal to return to normal after the input level has fallen below
threshold.
7 Vintage button
When engaged the Vintage switch delivers an emulation of many older compressor designs with
exponential attack and release envelopes.
8 Hard Knee button
When the Hard Knee response is used with RMS mode, the compressor operates in a more clinical
way with a more dened transition between under threshold and over threshold.
9 Input meter 28 LEDs display stereo input level.
10 Output meter 28 LEDs display stereo output level.
11 Gain Reduction meter 28 LEDs display Gain Reduction level.
12 SIP (Solo In Place) button
A Solo button is included which will route the side chain signal’s directly to the solo bus for
monitoring of the side chains frequency response.
13 Side Chain Frequency control Sets the Frequency of the side chain with wide a response. 40 Hz to 16 kHz.
14 Filter button
The side chain lter can be used to select the key frequency component in the audio that can
be used to trigger the operation of the gate, especially useful with drums kits and percussion
instruments.
15 Narrow button Switches the side chain lter to a narrow band.
16 Wide button Switches the side chain lter to a wide shape.
17 Bypass button Switches SQ1 in/out.
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