QSC CXD Series User Manual (English)

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CXD Amplifier

Quick Start Guide

EXPLANATION OF TERMS AND SYMBOLS

The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death.

The term “CAUTION!” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in

damage to the equipment that may not be covered under the warranty.

The term “IMPORTANT!” indicates instructions or information that are vital to the successful completion of the procedure.

The term "NOTE" is used to indicate additional useful information.

The lightning ﬂash with arrowhead symbol in a triangle is to alert the user to the presence of un-insulated "dangerous" voltage within

the product's enclosure that may be of sufﬁcient magnitude to constitute a risk of electric shock to humans.

The exclamation point within an equilateral triangle is to alert the user to the presence of important safety, and operating and

maintenance instructions in this manual.

NOTE:

This Quick Start Guide is based on the basic conﬁguration as the ampliﬁer comes from the factory: four separate inputs

and four separate outputs. For detailed instructions for custom conﬁgurations refer to the CXD User Guide (TD-000367).

Installation

The following steps are written in the recommended installation order.

Rack-Mount the Ampliﬁer

The CXD Series ampliﬁers are designed to mount in a standard rack-mount unit. The ampliﬁers are 2RU high. The CXD4.3 and CXD4.5 are 381 mm (15

in) deep, while the CXD4.2 is 229 mm (9 in) deep.

1. Secure the ampliﬁer in the rack with eight screws (not supplied)—four in front and four in back. For complete instructions, refer to TD-000050 Rear

Rack Ears Installation Guide, which can be found on the QSC website (www.qsc.com)

CAUTION!:

Be sure that nothing blocks the front or rear ventilation openings and that each side has a clearance of at least

2 cm.

AC Mains

WARNING!:

When the AC power is on, there may be potentially dangerous voltage

at the output terminals. Be careful not to touch these contacts. Turn off the AC mains

disconnect switch prior to making any connections.

Make sure the power switch on the rear of the ampliﬁer is off.

2. Connect the IEC power cord to the AC receptacle. (Figure 1)

WARNING!:

Do not turn the ampliﬁer on yet.

— Figure 1 —

TD-000350-00-E

*TD-000350-00*

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Technical Notes2 pages

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QSC CXD Series Specifications

General

Amplifier Class	Class D
Channels	4
Input Type	Analog
DSP	Yes
Form Factor	Rack-mountable
Load Compatibility	4Ω, 8Ω
Input Connectors	XLR
Protection	Short circuit, thermal overload, DC fault
Frequency Response	20 Hz - 20 kHz, ±0.2 dB
Output Connectors	Speakon NL4