Alesis Sumo 15 Guide D'utilisation Simplifié page 6

The Sumo contains an advanced, stereo effects processor with fifteen different programs.
Here are those programs as you rotate the Master section's Effect knob clockwise,
beginning at the "off" position (with the knob pointing straight down).
Effect name
Rotary
Hall 1
Hall 2
Room 1
Room 2
Room 3
Plate 1
Plate 2
Plate 3
Chorus
Flange
Delay 1
Delay 2
Chorus/Room 1
Chorus/Room 2
Choose an effect by using the Master section's Effect knob. Then, within each individual
channel, rotate the channel's Effect knob to increase or decrease the amount of the effect to
be applied to that channel.
Turn the Effect knob to "off" to disable the onboard effects.
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Effects
Description
Rotary speaker emulation. This effect is
especially popular with organ sounds.
The reverberation of a bright concert hall.
The reverberation of a warm concert hall.
The ambience of a studio constructed with hard
wood walls.
A room sound optimized to acoustic instruments
and synthesizers. Reverberation time is shorter
than that for the other rooms.
A room sound optimized for guitars and other
rhythm instruments.
The classic plate reverb sound for vocals and
lead instruments.
A brighter, more sizzling plate reverb sound that
works well on vocals and drums.
A warmer, more vintage sounding plate reverb
sound.
Stereo chorusing, which adds a thickness to the
sound.
Stereo flanging, which alters the phase of
incoming audio signals to produce jet-airplane-
like whooshing sounds.
A short (125 millisecond) slapback delay.
A longer (190 millisecond) and longer-lasting
(more regenerative) delay.
A combination of chorus and reverb.
A darker-sounding combination of chorus and
reverb, with a touch of wah-wah.