Guitar Amp 3 - ENSONIQ DP/4 Musician's Manual

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Section 4 - Algorithms
GUITAR AMP 3
00 - Guitar Amp 3 combines the inverse expander with a bright distortion for amp lead sounds.
The inverse expander may be thought of as a compressor which amplifies all signals below the
threshold. This algorithm is optimized for heavy metal guitar solos.
The parameters available for this algorithm are:
01-Mix
02-Volume
See the descriptions under the
Mix
and Volume Parameters, in the beginning of this section.
03 -
Preamp Gain
Range:
-48 to +48 dB
This parameter adjusts the amount of boost or cut applied to the EQ'd incoming signal. Lead
sounds are obtained using high
gain.
04 - Output Level
Range:
00 to 99
This parameter controls the output level before the output EQ.
05 -
PreEQ Input Level Trim
Range:
-24 to +00 dB
Controls the input level to the preamp EQ to eliminate the possibility of clipping boosted signals.
06 -
Pre-EQ Fe
Range:
100 to 9999 Hz
This parameter determines the filter center frequency of the parametric in the preamp stage.
Higher values have a brighter
sound.
07 - Pre-EQ Gain
Range:
-48 to +24 dB
This parameter adjusts the amount of boost or cut applied to the preamp parametric.
08- Pre-EQ Q
Range:
01 to 18
This parameter determines the width of the resonant peak at the filter center. While the Filter
center parameter determines where (at what frequency) this peak will occur, the Q setting
controls the presence of the peak.
09 - ExpndRatio
Range:
1:1 to 40:1, infinity
This parameter sets the amount of inverse expansion. Expansion occurs below the threshold.
If
this is set to
3:1
for example, it will expand the change in signals below the threshold by three
times in an attempt to make the signal amplitude approach the threshold level.
10 - Threshold
Range:
-96 to +00 dB
This parameter sets the inverse expander threshold level. Signals beneath this level will be
expanded, while signals that are above will be unaffected. As the input signal dies away below
the threshold, the expander will increase the gain of the signal.
11 - Gain Change
Range:
NlA
This read only parameter shows the level of the signal.
12 - Noise Gate Off Below
Range:
-96 to +00 dB
This parameter sets the lower threshold level at which the noise gate shuts off the audio.
ENSONIQ DP/4 Musician's Manual
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