Crown DriveCore I-Tech 4x3500 HD Operation Manual page 10

2 Setup
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Table 1 and Figure 2.10: Wire one Speakon cable connector to two speakers. Insert
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the Speakon cable connector into the amplifier's top Speakon
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.
page 10
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connector.
Figure 2.11
System Wiring,
2 x mono mode
CH1 CH2
I-TECH 4x3500 | 2300W
CAUTION – TO REDUCE THE RISK
OF ELECTRIC SHOCK, GROUNDING
MUST BE MAINTAINED.
CH
1/2 DIGITAL INPUT AES3
ASSEMBLED IN USA
Figure 2.12
Mono Wiring Using Both
I-Tech HD DriveCore Series Power Amplifiers
AES
Analog
CH1
ANALOG
CH3 CH4
DUAL
INPUTS
CH NETWORK
3/4
DATA PRESET DUAL
COND. LINK/ CH3
ACT.
Table 2
Speakon ® Wiring for Bridge-Mono
PIN 1+
SPKR +
3+
PIN
SPKR +
Operation Manual
OUTPUTS
CH2
BRIDGE DUAL
BRIDGE DUAL
CH4
2+
–
4+
–