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9. Threshold Control for Limiter
The threshold Level for the Limiter will be adjusted by this control
10. Limiter LED
When the Limiter is active, this LED will flash up.
12. Voltage Selector and Fuse holder
Please make sure about the voltage available in your Country before connecting the unit to the AC socket. Please
consult with a qualified Engineer to change the fuse or to change the AC Voltage operation on the CLE 4.
11. Couple Switch
When pressing this button Channel 1 and 3 will operate in stereo mode.
THIS IS SET FOR
110V AC TO 120V
AC OPERATION
THIS IS SET FOR
220V AC TO 240V
AC OPERATION
110-120V
220-240V
220-240V
110-120V
13. Audio In and Out
You can input and output the audio signal in the CLE 4.0 via XLR connectors or 1/4" jack.
Choose +4dBu when using CLE 4.0 in professional recording studios or -10dBV when using home recording equipment.
The Input/Output Meter will automatically self-adjust to the chosen Operating Level.
14. Operating Level Control
4. READY TO ROLL?
4.1 Compressor Section
Sophisticated Voltage Controlled Amplifiers (VCA) are responsible of the control of dynamics in the CLE 4.0 The operating
range of our VCA is more than 60dB. This mean that the input level or the output level can be in aincreased or decreased
range of 60dB. Signals below the set threshold will not be reduced, so the dynamic as thecontrol will be activated as soon
signal exceed the threshold level. Gain reduction will be proportioned to the amount of the signal above the set threshold
level.
4.1.1 The Threshold Control
The compressor threshold control sets the point where the input level starts to be reduced. Let's say the level
is +12dBu and the threshold control is set at +2dBu: In this case up to 10dB can be compressed. If the input
level is the same and the control is set at 10dBu the maximum compression will be 22dB, The operating range
of the threshold control is -40 to +20dBu. Turn the threshold control fully clockwise and you will get a threshold
level of +20dBu.
You must remember that the degree and the type of compression not only depend by the threshold control
but also by other controls such as Ratio, Attack and Release. .
Pic. 2