Lexicon CX manual Highlights, Installation Considerations

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CX Power Amplifiers

Getting Started

HIGHLIGHTS

PRODUCT REGISTRATION

•140 Watts per channel

•Four custom designed, hand-graded output transistors per channel

•Oversized toroidal power transformer with extraordinarily low DC resistance and thermal protection

•High-power supply voltage for extra headroom at the outputs

•Stable with mismatched, reactive, or unusual loads

•Compatible with 2Ω speaker impedances

•THX Ultra2 Certification

•Thermal protection against overheating

•Speaker protection against DC and frequencies below 10Hz

•Protection against short circuits, device failures, miswiring, and internal faults

•Trigger input for power control from an external device

•RCA and XLR inputs

•GROUND LIFT switch per channel

•Gold plated input and output connectors

•Rack-mount option available

Please register the CX Power Amplifier within 15 days of purchase. To do so, register online at www.harmanspecialtygroup.com or complete and return the product registration card attached to the back cover of this user guide. The product registration card serves no warranty purposes. Retain the sales receipt as proof of warranty coverage.

INSTALLATION CONSIDERATIONS

The CX Power Amplifiers require special care during installation to ensure optimal performance. Leave at least 2 inches of open space around the top, sides, and rear of the amplifier for proper ventila- tion. If the amplifier is installed in an equipment rack, an optional rack-mount kit is available from Lexicon dealers or at www.harmanspecialtygroup.com.

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Be careful when moving the CX Power Amplifiers,

CAUTION

which are quite heavy.

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Do not obstruct the ventilation holes in the chassis.

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Contents LX CX Important Safety Instructions Documentation Conventions Introduction US Unpacking and Inspection DE Auspackend UND InspektionES Desempaquetando E Inspección FR Déballer ET InspectiónGetting Started About the CX Power Amplifiers Getting StartedInstallation Considerations HighlightsBasic Operation Standby Button Basic OperationFront Panel Overview Channel Status LEDs Color StatusRear Panel Overview Power Switch AC Input ConnectorInput 1 to 7 CX-7 or 1 to 5 CX-5 Output 1 to 7 CX-7 or 1 to 5 CX-5Rear Panel Overview Trigger Input Switch UNBAL/BAL SwitchGround Lift Switches Protection Modes Thermal ProtectionCurrent Protection DC ProtectionTroubleshooting & Maintenance Troubleshooting & Maintenance TroubleshootingMaintenance Appendix Appendix Appendix Declaration of ConformityIndex Limited Warranty United States