Boss SDE-3000EVH Owner's manual

*5100084681-02*

Usage of Ground Lift Cable

You may hear a humming noise when more than one amp is connected to this unit.

To disconnect the ground from the OUTPUT jacks, use the ground lift cable included with this unit.

For details on hum noise, see “Dealing with hum noise” in the Reference Manual.

EFX R

(DRY+WET)

EFX L

(DRY+WET)

Preamp

INPUT

To preamp input jack

To amp return jack To amp return jack

From preamp

send jack

Speaker

DIRECT

(DRY)

To preamp

return jack

Use the ground lift cable to reduce noise.

Using the Included Ground Lift Cable

The ground wire is disconnected from the female jack of the cable

that’s included.

Connect this cable to the cable that’s connected to the OUTPUT jacks.

GND is disconnected.

Included cable

NOTE

• You can use it only when the power supply is 3P (3 poles). When this is set

to 2P, the ground is cut o, so no sound is produced.

• Do not connect the ground lift cable to any other jack besides OUTPUT.

Doing so may cause a malfunction.

SDE-3000EVH