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Chapter 3: Description of Features
34
AxSys 212 User Manual
Reverb
Parameter
Range Description
Reverb Type
1 to 5
Selects the type of Reverb (see below).
Predelay
00 to 99
Controls the delay of the first instance of reverberation,
so that the dry signal stands out from the Reverb effect.
Reverb Decay
00 to 99
Controls how long it takes for the Reverb to die away.
Reverb Tone
00 to 99
Controls the ReverbÕs tone.
Reverb Diffusion 00 to 99
Determines the ÒthicknessÓ of the reverb (see below).
Reverb Level
00 to 99
Controls the output level of the Reverb effect.
Reverb is made up of a large number of distinct echoes, called reflections.
In a natural acoustic space, each reflectionÕs amplitude and brightness
decays over time. This decay is influenced by the room size, the location of
the sound source in the room, the hardness of the walls, and other factors.
The 
REVERB TYPE
 parameter lets you choose from these Reverb types:
Display Reverb Type Description
1
Spring
4
Produces a ringing, resonant sound, which is a
requirement for vintage guitar applications.
2
Dark Room
Recreates the ambiance of a small room with many
reflective surfaces, but with a dark tone.
3
Bright Room
Similar to Dark Room, but with more high frequencies.
4
Dark Hall
Recreates the ambiance of a large auditorium or concert
hall that has a lot of space to fill, but with a dark tone.
5
Bright Hall
Similar to Dark Hall, but with more high frequencies.
Diffusion
Diffusion determines the ÒthicknessÓ of the reverb sound by adding more
reflections to the reverbÕs decay. At low settings, you can hear the
individual echoes that make up the overall reverb sound. At higher
settings, the echoes increase and blend, washing out the reverbÕs decay.
TIME
L
E
V
E
L
L
E
V
E
L
TIME
Fewer reflections
More reflections
DIFFUSION OF 0
DIFFUSION OF 99
If the 
REVERB ON/OFF
 parameter is turned off, the Reverb effect will not be heard
(see page 35). If you adjust any of the Reverb parameters, the display will flash
OFF twice to indicate it is turned off.
4
Sorry. Because this is a physically modeled spring reverb, you canÕt get the Òthunder
crashÓ effect when you bump into the amp.