PettyJohn Predrive, User Manual

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P E T T Y J O H N E L E C T R O N I C S . C O M

OUTPUT

INPUT

J A C K   I D E N T I F I C A T I O N

TUNER OUT: 

This is a buffered output taken after the preamp 

stage perfect for connecting a parallel tuner. It also 

serves as a way to access just the preamp stage of 

the pedal and provides a proper buffered signal 

split for numerous creative routing options when 

interfacing with other gear. 

Note: The tuner output is taken after the preamp stage and preamp 

must to be engaged to send signal.

POWER:

The PreDrive’s discrete opamps require a minimum 

of 18V DC standard pedal power to operate, how

-

ever, the PreDrive can run on any DC pedal power 

supply between 18 and 32 volts with a CENTER TIP 

NEGATIVE. The PreDrive is protected internally from 

reverse wired power supplies and simply will not 

turn on if one is used while remaining un-harmed.

DIRECT OUT: 

This is a balanced output on a TRS 1/4 connection 

via a transparent Edcor Transformer. The signal is 

taken after the Preamp section and sends a very 

pure signal ideal for recording, reamping in the 

studio or as a simple but very clean direct box.  The 

direct signal is effected only by the Input gain knob, 

the Low Cut knob and the Vari-Z switch. 

Note: that the Preamp section must be on for this transformer 

to send signal.