Vox Valvetronix VT20+ Owner's Manual page 27

5. BRN OCTAVE
This models a pedal that adds gravity to a sound by generating a sound one
octave below, and mixing this with the original (dry) sound.
Knob
VALUE
6. TREBLE BOOST
This models the treble booster built into the VOX VBM-1, which was designed
for use with the VOX AC30.
It adds "crunch" to overdrive sound.
Knob
VALUE
7. TUBE OD
This models a well-known overdrive pedal in a green box; the inexpressible
warmth of its sound has made it a classic effect.
Knob
VALUE
8. GOLD DRIVE
This models an overdrive unit named after a half-human half-horse creature
from Greek mythology. When the gain is lowered, this acts as a booster that
preserves the original sound of the guitar. Raising the gain makes this function
as an overdrive with a rich mid-range.
Knob
VALUE
9. ORG DIST
This is a classic Japanese-made distortion unit in an orange box.
Knob
VALUE
10. METAL DIST
This is a distortion unit that's ideal for metal.
Knob
VALUE
11. FUZZ
Retro, brazen and rough-edged.
Knob
VALUE
Parameter
LEVEL Adjusts the mix amount of the octave-lower sound.
Parameter
GAIN Adjusts the gain.
Parameter
GAIN Adjusts the gain.
Parameter
GAIN Adjusts the gain.
Parameter
GAIN Adjusts the gain.
Parameter
GAIN Adjusts the gain.
Parameter
GAIN Adjusts the gain.
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