PURE Gain Control –
(
read
Gain
here as the ratio of input to output, not as adding “dirt” or another drive
control
)
This is the amount of unaffected clean signal that is available as you mix clean and drive signal
together
. Adjust the pot to fine tune the dynamic of adjusting the Pure knob which changes the amount of clean
signal relative to it's (PURE) position. The Pure is designed to introduce clean into the drive signal from about
4:00 to 8:00 (at noon is 1/3 clean, 2/3 grit). Max to the right (5:00) is no clean signal, you'll hear exactly what the
drive alone sounds like. Max to the left (7:00) is all clean buffered signal from the input, the Drive output volume
knob still controls the overall signal level when the drive is engaged. With the Pure knob turned full CCW the
Drive side becomes another pristine clean boost! (See how you can leverage this to your favor below.)
Clean Boost Gain -
Adjust this to increase available volume at the Boost control. Setting this trim high will add a
bit of top end sizzle to your notes after 12 on the level control. Decrease if you begin to hear noise in the boost. If
running the pedal on an 18v supply, you may need to decrease this pot to get rid of the same type of noise.
Clipping Switches
The Asymmetrical and Symmetrical clipping switches are designed to provide multiple contours or intentional grit
that pre-shapes the signal waveform before hitting your pre-amp tubes. These shapes or “feels” range from very
transparent/open/full/articulate to more compressed/singing/traditional boutique overdrive. Because the main
audio path of the Ghost Drive is intended to maintain the original content of your guitars tone the more clipping
you select the more you'll need to adjust the output volume to get back to your original signal strength. Even at
the most compressed setting (asym switch up) there's an abundance of available volume to drive the front end of
any amp into saturation. Each setting interacts with the gain, tone and pure control differently. It's safe to
consider that each position is like having a completely different overdrive pedal. Each of these may need minor
adjustments to land the grit texture you're looking for.
The new Ghost Drive (made from April 2012) has clipping components in every position. Earlier versions do not
when both switches are set to the middle position. This can be modified for the cost of return shipping to JHV3,
or a DIY instruction set can be made available.
Asym - middle, Sym - Middle
Most open/full/articulate, breaks up later in the gain
range. Loudest of all settings, great for mild amp-like
rhythm tones. Articulate high end with the most
headroom and sparkle.
Asym - middle, Sym - down
Very similar to the mid-mid setting, but earlier breakup in
the gain range. This range is the same as most other
"transparent" overdrives. Adjust volume to match or
boost output.
Asym - middle, Sym - up
Slightly more grit range as mid-down setting with a
rounder top end. Gives the overall drive a more sustain-
ish singing tone with a tighter bottom end. Adjust
volume to match or boost output. (Great for detuned
riffing too!)
Asym - down, Sym - middle
About the same volume as the mid-down setting but
twice as much clipping on one half of the waveform.
Grit takes on a more complex nature, feels "looser" and
when dialing in a slight amount of PURE you can hear a
very rich and colorful overdrive that makes your amp
think it's a lot bigger than it really is! Sizzle, chunk and sparkle.
Summary of Contents for Ghost Drive V2F-L
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