Crown i-t4000 Guía Del Usuario

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Operation Manual
I-Tech Series Power Amplifiers
page 10
2.3.2 Choose Input Wire and Connectors
Crown recommends using pre-built or professionally wired, bal-
anced line (two-conductor plus shield), 22-24 gauge cables and 
connectors. Use 3-pin male XLR connectors.
Unbalanced line may also be used but may result in noise over 
long cable runs. 
Figure 2.4 shows connector pin assignments for balanced analog 
wiring or AES/EBU digital wiring. The use of standard analog 
cable with AES/EBU will result in diminished performance. For 
best results, 110 ohm shielded twisted-pair cable for AES/EBU 
signals is highly recommended. Figure 2.5 shows connector pin 
assignments for unbalanced analog wiring. 
NOTE: Custom wiring should only be performed by qualified per-
sonnel.
2.3.3 Choose Output Wire and Connectors
Crown recommends using pre-built or professionally wired, 
high-quality, two- or four-conductor, heavy gauge speaker wire 
and connectors. Use Class 2 output wiring. You may use a 4-pole 
Speakon connector (Figure 2.6) or banana plugs, spade lugs, or 
bare wire for your output connectors (Figure 2.7). To prevent the 
possibility of short circuits, wrap or otherwise insulate exposed 
loudspeaker cable connectors. 
CAUTION – SHOCK HAZARD: Potentially lethal voltages 
exist at the output connectors when the amplifier is 
turned on and is passing a signal.
Using the guidelines below, select the appropriate size of wire 
based on the distance from amplifier to speaker.
                          Distance         Wire Size
                             up to 25 ft.           16 AWG
                              26-40 ft.              14 AWG
                              41-60 ft.              12 AWG
                              61-100 ft.            10 AWG
                             101-150 ft.             8 AWG
                             151-250 ft.             6 AWG
CAUTION: Never use shielded cable for output wiring.
Figure 2.4 
Balanced Analog Input Connector Wiring or
AES/EBU Digital Connector Wiring
Figure 2.5  Unbalanced Analog Input Connector Wiring
2 Setup
Figure 2.7 
Binding Post Connections
Figure 2.6 
Left: Speakon
 
Output Connector on Back Panel 
Right: Speakon
 
Cable Connector