User Manual

SA246 Aftershock Bass Distortion User’s Guide 18
The Parametric EQ and the Low Cut filter are configurable using the Neuro App. By default, the
parametric EQ is disabled (flat), and the Low Cut filter is set to 10 Hz.
LoRetain
LoRetain is a technique used by Source Audio to maintain a solid low end even with high amounts of
distortion. This is particularly useful for bass players or extended-scale guitar players (7-string and 8-
string guitars) that need to maintain a strong fundamental while keeping high drive on the upper
frequencies. LoRetain is available as a control independent of the parametric EQ and low cut filter.
Voice Control
Each overdrive/fuzz/distortion circuit features a VOICE control that is a gradual timbre adjustment
affecting the overall character of the sound. It generally affects the midrange in subtle ways, so a
high VOICE setting will generally provide a midrange boost, whereas a low VOICE setting will provide a
midrange cut. Many different sounds are available using the VOICE control, which can be controlled
via the Neuro App.
Noise Gate
Overdrive, fuzz, and distortion effects introduce a lot of gain into the signal chain, and this gain
amplifies not just the guitar signal, but also any noise present in the system. As a result, overdrive,
fuzz and distortion effects tend to increase the amount of noise in the signal chain, especially when
the guitar is silent or playing at very low levels. In order to correct this problem, guitarists often use
noise gates prior to the distortion stages in their signal chains. The Aftershock includes a built-in
noise gate to help reduce noise and preserve the guitar signal. The noise gate consists of a traditional
gain reduction circuit as well as a filter gate, which works by attenuating high noisy frequencies when
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Configurable Low Cut Filter