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Operation Manual

Xs Series

Power Amplifiers

page 26

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Summary of Contents for Xs Series

Page 1: ...allation operation or maintenance The information provided in this manual was deemed accurate as of the publication date However updates to this information may have occurred To obtain the latest vers...

Page 2: ...PMENT FROM THE AC MAINS DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTA CLE THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY OPERABLE WATCH FOR THESE SYMBOLS The lightning bolt t...

Page 3: ...Compatibility Product Family Standard for Audio Video Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 1995 Electrostatic Discharge Immunity...

Page 4: ...e 10 3 Operation 11 3 1 Precautions 11 3 2 Front Panel Controls and Indicators 12 3 3 Back Panel Controls and Connectors 13 4 Advanced Features and Options 14 4 1 Protection Systems 14 4 1 1 Output Cu...

Page 5: ...have touch proof binding post out puts Speakon outputs Phoenix style inputs and electronically balanced XLR 1 4 combo inputs with daisy chain XLR outputs Features precision detented level controls po...

Page 6: ...ound at the beginning of this manual 2 2 Install Your Amplifier CAUTION Before you begin make sure your amplifier is disconnected from the power source with the power switch in the off position and al...

Page 7: ...uctor heavy gauge speaker wire and connectors You can use banana plugs spade lugs or bare wire for your output connectors Figure 2 6 Also you can use a 4 pole Speakon connector Figure 2 7 and Table 1...

Page 8: ...1 2 Connect speaker 1 negative lead to the amp s Channel 1 Speakon terminal 1 3 Connect speaker 2 positive lead to the amp s Channel 2 Speakon terminal 1 4 Connect speaker 2 negative lead to the amp...

Page 9: ...connector types in the Crown Amplifier Application Guide available at www crownaudio OUTPUTS Connect the speaker across the red binding posts of each channel Do not use the black binding posts when t...

Page 10: ...he limiter threshold so that mixer signals above 0 on the mixer meters do not quite drive the amplifier into clipping Also avoid sending strong subsonic signals to the amplifier High level low frequen...

Page 11: ...ay be your own 3 Do not short the ground lead of an output cable to the input signal ground This may form a ground loop and cause oscillations 4 WARNING Never connect the output to a power supply batt...

Page 12: ...the amplifier is not turned on F Fault Indicator Red LED illuminates when amplifier is in protect mode Also illuminates briefly during normal power up when amplifier is first switched on G Signal Ind...

Page 13: ...4 phone jack Accepts balanced or unbalanced signals E 5 Way Binding Post Output Connectors One pair per channel accept banana plugs spade lugs or bare wire Note Binding post out puts on European model...

Page 14: ...ccompanied by an illuminated Clip LED even with no input connected and level controls set at minimum If this is the case contact your dealer or service center 4 1 3 Circuit Breaker The high voltage po...

Page 15: ...protection circuits is activated First disconnect your speakers from the affected channel s one by one to determine if one of the loads is shorted If the indicators return to normal sta tus then try...

Page 16: ...l rated power at 4 ohms 1 4V 1 4V 1 4V 1 4V Frequency Response at 1 watt 22Hz 22 kHz 1 dB 1 dB 1 dB 1 dB Phase Response at 1 watt 20Hz to 20 kHz 5 18 5 18 5 18 5 18 Signal to Noise Ratio below rated p...

Page 17: ...40 VAC 50 Hz 120 VAC 60 Hz and 240 VAC 50 Hz 120 VAC 60 Hz and 240 VAC 50 Hz Construction Xs500 Xs700 Xs900 Xs1200 Ventilation Flow through ventilation from front to back Flow through ventilation from...

Page 18: ...mplifiers The following assumptions or approximations were made The amplifier s available channels are loaded and full power is being delivered Efficiency at standard 1 kHz power into 4 ohms is 61 for...

Page 19: ...w Current Draw and Thermal Dissipation at Various Duty Cycles Figure 7 1 Xs500 Power Draw Current Draw and Thermal Dissipation at Var ious Duty Cycles Figure 7 3 Xs900 Power Draw Current Draw and Ther...

Page 20: ...Operation Manual Xs Series Power Amplifiers page 20 7 AC Power Draw and Thermal Dissipation Figure 7 4 Xs1200 Power Draw Current Draw and Thermal Dissipation at Var ious Duty Cycles...

Page 21: ...ng sent to the factory for service Please complete the SRA by going to www crownaudio com support factserv htm If you do not have access to our website call 1 800 342 6939 extension 8205 and we ll cre...

Page 22: ...or our factory All expenses in remedying the defect including surface shipping costs in the United States will be borne by us You must bear the expense of shipping the product between any for eign co...

Page 23: ...insurance closing costs and other finance charges less a reasonable depreciation on the product from the date of original purchase War ranty work can only be performed at our autho rized service cente...

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Page 25: ...r equipment in your system _________________________________________________________________________________________________________________________________________________________ If warranty is expi...

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