E.W.S. Subtle Volume Control or SVC is a device based on Scott Henderson’s idea, which provides better control of your overall volume than a traditional volume pedal. With subtle increases or decreases in volume, your audience may never realize that you’ve changed your volume.
The SVC goes in your amp effects loop. This allows you to control your
volume without changing the gain you have dialed in at the front of the Preamp.
The SVC can also be used between your last pedal and the front of the amp,
but keeping your gain consistent while changing volume will not be as effective.
Because the SVC is not an effect, it does not require any power source
such as batteries.
The SVC is designed to be placed on your pedal board and foot operated.
Since the signal coming from the amp effects loop is low impedance, the cables
running from the amp to the SVC will not degrade the sound.
heard this many times - during a live guitar solo, the bassist and drummer
try to start the solo at a softer volume, while the guitar volume is much
louder than it should be. Then by the end of the solo, the guitarist is completely
drowned out by the band. Some guitarists use a traditional volume pedal to
try to ride their solos to match the band, but because of the short throw
of the pedal, their foot actions can easily be heard by the audience and
it sounds very un-natural.
With the EWS SVC, changes in volume can be made in much smaller
increments, giving you the ability to mix your live solos with the band just
like they would sound on a mixed CD. Since the box is low impedance and placed
in the amp effects loop, it'll only change your volume, not your gain. The
potentiometer is only 25k ohms, so it can easily be chained to a traditional
low impedance volume pedal used for faster swells and volume changes.
Lin Chen Yi
Although I have used the tradition volumn control for a long time, it always frustrates me everytime I try to adjust volumn delicately in a slow speed. I found the answer the very moment I tried E.W.S. Subtle Volume Control. It allows me to modulate my background guitar insensibly while I accompany many artists and vocalist, and is now a “must”on my pedal list when I do concert