14 | PREDRIVE USER MANUAL
PETTYJOHNELECTRONICS.COM
PRESET MODE 2:
CLEAN PREAMP OR BOOST WITH
SMOOTH SATURATION
Mode: Clean, Harmonic Drive Switch Up
Function: Single Pedal (Dual Pedal: leave preamp/
bypass switch engaged and use the boost switch)
Great for a single preamp using both gain stages for
extra boost gain always on for a smoothly saturat-
ed, always on sound.
1. Max INPUT VOLUME
2. Max BOOST GAIN
3. Back down the OUTPUT VOLUME to taste
This gives a warmer, smoother clean tone with a
cranked tube amp-like saturation.
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