16
ULTRATWIN GX210
15-16 Ambience: The reverb of any room consists of so-called “early reflections” and the reverb “tail”. This
algorithm emulates the first 15 of these early reflections. Since our ears use these reflections to determine
the room size, they can be employed to create subtle and impressive reverb densities, without clouding
the overall signal with long reverb tails. The PARAMETER control modifies the room size, while EFFECT
A adjusts the pre-delay time, and EFFECT B governs the mix of original and effect signals. This effect is
particularly impressive when played through a pair of headphones.
Preset-Nr. Effect Variation PARAMETER EFFECT A EFFECT B
15 min. Reflections Room Size Pre-Delay Mix
16 max. Reflections Room Size Pre-Delay Mix
AMBIENCE
Tab. 3.3: Parameters of effects 15 and 16
17-19 Wah/Delay/Distortion: In general, filters are used to provide some static equalization of a signal’s
frequency response. The wah effect – combined with delay and distortion in this preset – allows the mid-
range frequencies to pass, while it more or less suppresses the remaining frequency ranges. Guitarists
such as Jimi Hendrix and Eric Clapton made this effect popular, and it still hasn’t gone out of fashion.
Use the PARAMETER control to adjust the delay time. EFFECT A allows you to determine the distortion
intensity, which also depends on the volume settings chosen in the CLEAN and OVERDRIVE channels.
With EFFECT B you can edit the delay mix. Using MIDI controller #15 you can edit the operating range
of the wah effect, e.g. via a MIDI foot controller. In this way, it is possible to use the wah effect like an
analog wah foot pedal.
Preset-Nr. Effect Variation PARAMETER EFFECT A EFFECT B
17 Feedback 0 % Delay Time Drive Delay Mix
18 Feedback 10 % Delay Time Drive Delay Mix
19 Feedback 30 % Delay Time Drive Delay Mix
WAH /
DELAY /
DISTORTION
Tab. 3.4: Parameters of effects 17 through 19
20 Delay/Reverb: This effect produces a normal delay with adjustable delay time that passes a reverb
whose mix ratio can be edited.
Preset-Nr. Effect Variation PARAMETER EFFECT A EFFECT B
20 DELAY / REVERB - Delay Time Delay Mix Reverb Mix
Tab. 3.5: Parameters of effect 20
21-29 Delay: This algorithm delays the input signal and generates several repeats. The first five presets (21
through 24) produce a stereo delay, with the PARAMETER control setting the delay time for the right
channel. The left channel’s delay time is 2/3 as long as that on the right side. As usual, EFFECT A and
EFFECT B determine the mix of original and effect signals. Delay presets 25 through 29 offer long mono
delay, which can be adjusted in their delay time (PARAMETER control), delay feedback (repeats,
EFFECT A) and delay mix parameters (EFFECT B).
3. EFFECTS PROCESSOR
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