SP-1

This unique and rare BOSS effect boosts a single frequency band determined by the Spectrum control. It makes anything you process stand out, from guitars and basses to synths and vocals. The SP-1 can also be used to add a distinctive character to drive effects.

 

Page

Parameter

Value

Explanation

1

BALANCE

0–100

Adjusts the amount of boost of the frequency that’s set with the knob on the right.

SPECTRUM

0–100

Adjusts the frequency to emphasize.

Turn the knob clockwise to raise the frequency, and counterclockwise to lower the frequency.

This produces continuously variable change within the 500 Hz–5 kHz frequency range.

 

2

CTL1 TARGET

OFF, BALANCE, SPECTRUM

Selects the parameter to control from a footswitch connected to CTL1.

CTL1 MODE

MOMENT, TOGGLE

Selects the operation mode for the footswitch that’s connected to CTL1.

CTL1 VALUE

0–100

Sets the value for the parameter that’s controlled from a footswitch connected to CTL1.

3

CTL2 TARGET

OFF, BALANCE, SPECTRUM

Selects the parameter to control from a footswitch connected to CTL2.

CTL2 MODE

MOMENT, TOGGLE

Selects the operation mode for the footswitch connected to CTL2.

CTL2 VALUE

0–100

Selects the value for the parameter that’s controlled from a footswitch connected to CTL2.

4

EXP TARGET

OFF, BALANCE, SPECTRUM

Selects the parameter controlled by an external expression pedal connected to the EXP jack.

EXP MIN

0–100

Sets the minimum value for the parameter controlled by an expression pedal connected to the EXP jack.

EXP MAX

0–100

Sets the maximum value for the parameter controlled by an expression pedal connected to the EXP jack.

5

PEDAL MODE

MOMENT, TOGGLE

Selects the operation mode for the pedal switch on the PX-1.

ACTION

OFF Ó ON, ON Ó OFF

Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”.