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Chapter 4 Introduction to Effects and Parameters
ACS (Advanced Compressor)
This is an effect that produces a long sustain by evening out
the volume level of the input signal. You can also use it as a
“limiter” to suppress only the sound peaks and prevent
distortion.
Parameter Value
Type Stereo Comp, BOSS Comp,
D-Comp
Sustain 0–100
Attack 0–100
Tone -50–+50
Level 0–100
Type
Selects the compressor type.
Sustain
Adjusts the range (time) over which low-level signals are
boosted. Larger values will result in longer sustain.
Attack
Adjusts the strength of the picking attack. Larger values will
result in a sharper attack, creating a more clearly defined
sound.
Tone
Adjusts the tone.
Level
Adjusts the volume.
LM (Limiter)
The limiter attenuates loud input levels to prevent distortion.
Parameter Value
Type Stereo LM, Rack 160D, Vtg
Rack U
Attack 0–100
Threshold 0–100
Ratio 1:1 –∞:1
Release 0–100
Level 0–100
Type
Selects the limiter type.
Attack
Adjusts the strength of the picking attack when the strings
are played. Higher values result in s sharper attack, creating
a more clearly defined sound.
Threshold
Adjust this as appropriate for the input signal from your
guitar. When the input signal level exceeds this threshold
level, limiting will be applied.
Ratio
This selects the compression ratio used with signals in excess
of the threshold level.
Release
This adjusts the time from when the signal level drops below
the threshold until when limiting is removed.
Tone
Adjusts the tone.
Level
Adjusts the volume.
Stereo Comp This selects a stereo compressor.
BOSS Comp This models a BOSS CS-3.
D-Comp This models a MXR DynaComp.
Stereo LM This selects a stereo limiter.
Rack 160D This models a dbx 160X.
Vtg Rack U This models a UREI 1178.