Seymour Duncan Vise Grip User Manual
-VISE GRIP-
COMPRESSOR
USER’S GUIDE
We’d like to thank you for making the Seymour Duncan Vise Grip Compressor a part of your tone quest.
The Vise Grip is a studio-grade, classic compressor in a user friendly 4 knob format. Our unique
Blend knob and 3 way mini-toggle switch allow you to select the frequency range of the original
uncompressed signal as well as infinitely adjust the amount of “wet” versus “dry” signal that is
routed to the output.
It’s often best to put a compressor at the beginning of your effects chain, but sometimes it can
work more eciently when placed after eects such as a wah or envelope filter. You won’t do any
damage by putting your effects in the so-called wrong order, so feel free to experiment and find
what works best for your sound.
The Vise Grip can do all of the following and more:
• Add natural sounding sustain to both chords and single notes
• Add extra sparkle to top end of chords and melody lines
• Soften harsh overtones and smooth out dynamics in your playing
HOW IT WORKS
1
Blend – Determines how much of the original signal
is blended back into the compressed signal. This
control allows you to play above the compression
threshold to bring the natural snap back to individual
notes or a ri when you really dig in.
2
Mid/Full/High Switch – Determines whether just
the mids or highs are blended, or the full frequency
spectrum. Experiment with the settings to
discover very different tones.
3
Sustain – This knob is the heart and soul of the
Seymour Duncan Vise Grip Compressor as it
determines the length of sustain. It’s easy: the higher
the setting the longer your notes will ring out.
4
Attack – This crucial control regulates how quickly the
compressor reacts to your initial pick attack with the
circuit acting to compress the input signal. For increased
dynamics, a higher setting will give a late attack that
allows your pick dynamics to come through before
the compression kicks in.
5
Volume – Always important, this knob can be use d
to achieve the desired level balance between
Battery Door (on back panel)
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the sound though the compressor and
the bypassed sound. Balance this with the
sustain knob to provide as natural an eect
as possible. Alternatively, to use the Vise Grip
as a clean boost, set the output to a higher
setting and lower the amount of sustain.
6
Status LED – Indicates when the Vise Grip
Compressor is active. LED is on when the unit
is engaged, o when in true bypass mode.
7
True Bypass Footswitch – Removes
the circuit from your guitar’s signal via a
hardwired connection from the input jack to the
output jack.
8
Input Jack – Plug in your guitar or other
pedal cable here.
9
Output Jack – Run a cable to the input of
your amp or to the next eect in your
chain.
10
Power Jack – We designed this
pedal to be convenient. You can use
any 9Vdc regulated adapter (negative
polarity center terminal).
11
Easy Access Battery Door – When pedal is
not in use, save your battery life by removing your
guitar cable from the input jack.
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