Lexicon CX manual Appendix

Page 21

Appendix

Lexicon

SPECIFICATIONS

Audio Input Connectors

 

 

 

Performance (Continued)

CX-7

7 RCA, 7 XLR

 

 

IM Distortion

Below 0.03% at 140W, 8Ω

 

 

 

 

 

 

CX-5

5 RCA, 5 XLR

 

 

 

 

 

 

Crosstalk

80dB at 1kHz, minimum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Damping Factor

850 at 20Hz, minimum

Audio Output Connectors

 

 

 

 

 

 

 

 

 

 

 

 

 

CX-7

7 pairs of

gold-plated binding posts

 

 

Input Sensitivity

• 2V input for 100W output at 8Ω,

 

 

 

 

 

CX-5

5 pairs of

gold-plated binding posts

 

 

 

 

 

balanced inputs

 

 

 

 

 

 

 

 

 

 

 

 

• 1V input for 100W output at 8Ω,

 

 

 

 

 

 

 

 

 

 

 

 

unbalanced inputs

 

 

 

 

 

 

 

Performance

 

 

 

 

Input Impedance

• 20kΩ, balanced

Output Power

140W at 8Ω,

 

 

• 10kΩ, unbalanced

 

 

 

 

 

 

 

all channels driven

 

 

 

 

 

 

 

Gain

• 23dB, balanced

 

20Hz to 20kHz

 

 

 

 

 

 

 

 

 

 

 

 

• 29dB, unbalaced

Minimum

2Ω

 

 

 

 

 

 

 

 

 

Speaker

 

 

 

 

 

 

 

 

 

 

 

 

Impedance

 

 

 

 

 

 

 

 

 

 

Other

 

 

 

 

 

 

 

Frequency

• 20Hz to 20kHz ±0.1dB

 

 

Trigger Input

12V DC +/- 10%

Response

10Hz to 100kHz +0.5/-3dB

 

 

 

 

 

 

 

 

 

 

 

Power Requirements

• 120V 60Hz 15 Amp (domestic)

 

Below 0.02% at 140W, 8Ω

 

 

THD

 

 

 

230V 50Hz 10 Amp (export)

all channels driven

 

 

 

 

 

 

 

 

 

 

 

 

CX-7: 52.8 lbs (24 kg)

 

20Hz to 20kHz

 

 

Weight

 

 

 

 

 

 

CX-5: 47.1 lbs (21.4 kg)

Signal-to-Noise

110dB

 

 

 

 

 

 

 

 

 

Ratio

22 kHz bandwidth, unweighted

 

 

Rack Mounting

Optional brackets are available for mounting either

 

 

 

amplifier in standard 19-inch equipment rack

 

 

 

 

 

 

 

(Ref 140W at 8Ω)

 

 

 

 

 

 

 

 

 

Specifications are subject to change without notice

A-2

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Contents LX CX Important Safety Instructions Documentation Conventions Introduction DE Auspackend UND Inspektion US Unpacking and InspectionES Desempaquetando E Inspección FR Déballer ET InspectiónGetting Started Getting Started About the CX Power AmplifiersHighlights Installation ConsiderationsBasic Operation Basic Operation Front Panel OverviewStandby Button Color Status Channel Status LEDsRear Panel Overview AC Input Connector Power SwitchInput 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 UNBAL/BAL Switch Ground Lift SwitchesTrigger Input Switch Thermal Protection Protection ModesCurrent Protection DC ProtectionTroubleshooting & Maintenance Troubleshooting Troubleshooting & MaintenanceMaintenance Appendix Appendix Declaration of Conformity AppendixIndex Limited Warranty United States