■ Rear Panel
1
XLR inputs
These balanced XLR-3-31 type connectors are used to
connect input signals. They are wired pin 1–ground, pin
2–hot (+), and pin 3–cold (–).
Hot
In Bridge mode, only the XLR input of the channel A is
active.
2
MODE switch
• STEREO mode
Channels A and B will operate independently.
• PARALLEL mode
In PARALLEL mode, the channel A input signal will
be sent to the channel A power amp and to the
channel B power amp. The channel B input jack is not
used.
• BRIDGE mode
In BRIDGE mode, channels A and B will operate
simultaneously, functioning as a single mono amp.
3
HPF 20 switches
These switches are used to turn on and off the HPF
(High Pass Filter) for each channel. When set to ON,
frequencies below 20 Hz are filtered using a 12 dB/
octave high pass filter.
1
2
3
20
5
6
7
Ground
2
1
3
Cold
4
8
4
SPEAKERS jacks
• These are Speakon type output jacks. Speakon type
cable plugs can be connected here.
• These are five-way binding post output jacks.
5
DATA PORT jack
An amp control device, such as the ACD1 or ACU16-C,
can be connected to the DATA PORT jack for
monitoring or controlling the amplifier from the
external device.
6
AMP ID switch
When an amp control device, such as the ACD1 or
ACU16-C, is connected to the DATA PORT jack
the AMP ID switch can be used to set the amplifier's ID.
7
Euroblock connector
This is a balanced input jack. The included Euroblock
connector can be used to make connections here.
8
AC inlet
Connect the socket of the included AC cable to this
inlet. Connect the plug of the AC cable to an AC outlet
that meets the power supply conditions printed below
this inlet.
9
GROUND Screw terminal
If you are having a problem with hum or noise, use this
terminal to connect to ground or to connect to the
chassis of the mixer, preamp, or other device in your
system.
9
5
,
7