Operation Manual
I-Tech HD DriveCore Series
Power Amplifiers
page 10
Figure 2.12
Mono Wiring Using Both
Table 2
Speakon
®
Wiring for Bridge-Mono
PIN
1+
2+
SPKR
+
–
PIN
3+
4+
SPKR
+
–
2 Setup
Table 1 and Figure 2.10: Wire one Speakon
®
cable connector to two speakers. Insert
the Speakon
®
cable connector into the amplifier’s top Speakon
®
connector.
2.3.5 Bridge-Mono Mode
Overview: Turn on the amp, enable Bridge-Mono mode using the LCD Control
Screen, turn off the amp, wire it, and turn it back on.
1. Be sure that no cables are connected to the amplifier. Turn on the front-panel power
switch. The LCD Control Screen will light up.
2. Under the LCD Control Screen, press the
Menu/exit
button. Press the
Next
button until you see OUTPUT MODE
on the screen. If N/A is displayed, OUTPUT
MODE is locked via software. If LOCKOUT is displayed, all the LCD screens are
locked via software.
3. Press the Encoder knob to select BRIDgE MONO. Press the knob again to confirm
your choice. Press
Menu/exit
. Turn down both level controls (Encoder) until you
reach maximum attenuation.
4. iMPORTANT: Turn off the amplifier and unplug its power cord.
INPUTS: There are three ways to connect an input signal to the amplifier
(Figure 2.11):
• Connect an analog signal source to the Channel-1 and/or Channel-3 amplifier
input.
• Connect an AES/EBU digital signal source to the Digital Input IN connector.
NOTE: Crown provides a reference of wiring pin assignments for commonly used
connector types in the Crown
Amplifier Application Guide
available at
www.crownaudio.com.
OUTPUTS: Use Class 2 output wiring. There are two ways to wire the amplifier output
connectors for Bridge-Mono mode:
1) Wire the speaker across the red binding post channels 1/2 and 3/4 (Figure 2.11).
Do not use the black binding posts when operating in Bridge-Mono mode.
NOTe: in Bridge-Mono mode, the channel 1 Level control sets the level;
the channel 2 Level control is defeated. All channel 2 objects and
controls are hidden and disabled. in this mode, the channel 3 Level
control sets the level; the channel 4 Level control is defeated.
ANALOG
INPUTS
CH1
CH2
CH3
CH4
CH
3/4
CH
1/2
DIGITAL INPUT AES3
NETWORK
COND.
DATA
PRESET
LINK/
ACT.
I-TECH 4x3500 | 2300W
ASSEMBLED IN USA
CAUTION – TO REDUCE THE RISK
OF ELECTRIC SHOCK, GROUNDING
MUST BE MAINTAINED.
OUTPUTS
CH1
CH2
DUAL
BRIDGE
DUAL
CH3
CH4
BRIDGE
DUAL
DUAL
RE
G.
U.
S.
PA
T.
OF
F.
5,
65
7,
21
9
6,
50
4,
348
6,
90
9,
32
1
7,
28
3,
379
7,
55
7,
62
2
7,
91
9,
99
8
7,
77
8,
32
4
7,
52
1,
93
6
CL
ASS
2
OU
TPUT
WI
RING
Analog
AES
Figure 2.11
System Wiring,
2 x mono mode
