20
PT9Pro
+
 Phaser 
FEATURES AND CONTROLS
●PT9Pro+ by use of high-performance light dependent resistor device and ten-
stage phasing provides studio quality smooth phase sound with low noise.
●PT9Pro+ uses a stabilized DC-DC voltage converter to bump 9 volts up to 
plus and minus 9 volts.  PT9Pro+ provides wide dynamic range and sufficient 
head room against distortion.
①IN (input jack)
Input jack to connect to the output of 
guitar, other effects or related equipment. 
The product automatically turns on when 
a plug is inserted into this jack. When not 
in use, disconnect plug from input jack to 
preserve battery life. 
②OUT (output jack)
Output jack to connect to the input of 
amplifier or other effects.
③SPEED (speed control knob) 
Controls modulation rate.  Turn this knob 
clockwise for faster modulation.
④FEEDBACK (feedback control knob)
Controls effect level of modulation.  Turn 
this knob clockwise for PT9Pro+’s 
characteristic effects with unique 
modulation.  The fully clockwise position 
may cause a self-oscillation, which you 
can cut off by turning this control counter-