Instruction Manual

2.1 Rear Panel Connections
GND
SUB OUTPUTS
Manufactured under the following U.S. Patents:
3,789,143; 4,182,993; 6,195,029; 7,203,324.
PX
R
UL 60065 IEC 60065
120V - 60Hz
IEC Power Cord Receptacle
The DriveRack® PX comes with a power supply that will accept voltages ranging from 100V-
120V at frequencies from 50Hz-60Hz. An IEC cord is included. EU versions accept 220V-240V
at frequencies from 50Hz-60Hz.
Sub Outputs Left/Mono and Right
Connect your subwoofer(s) here (optional).
Outputs Left and Right
Connect your main speakers here.
Inputs Left/Mono and Right
The input section of the DriveRack PX offers two electronically balanced XLR connectors.
Ground Lift Switch
The ground lift switch lifts the pin 1 chassis ground of both input XLR connectors.
+4dBu / –10dBV Switch
This switch selects between –10dBV and +4dBu nominal operating levels. When the switch is
in the “in” position, the –10dBV operating level is selected. When the switch is in the “out”
position, +4dBu is selected.
2.2 Front Panel Connections
SETUP
AFS
RECALL
SUBHARMONIC
COMP/LIMITER
UTILITY
PRESET
NEXT PG
STORE
EQ
WIZARD
Inputs
Sub Outs
UTILITY
PREV PG
WIZARD
0
6
12
24
36
SIG
Headroom dB
Headroom dB
Headroom dB
Outputs
Limiter
DriveRack PX
®
Powered Speaker
Optimizer
0
6
12
24
36
SIG
0
6
12
24
36
SIG
RTA Mic Input Jack
This balanced XLR input is used for the connection of the dbx M2 RTA microphone, which
allows the user to optimize the powered speaker settings and the EQ settings of any room
through the use of the System Setup and Auto-EQ Wizards.
RTA MIC Input Selector
Pressing the RTA MIC input button will engage the front panel RTA input XLR connector and
start the Auto-EQ wizard.
DriveRack
®
PX
Section 2
Getting Started
®
4
Section 2- Getting Started