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XLi Series 

Power Amplifiers

page  3

Operation Manual

1.  Read these instructions.
2.  Keep these instructions.
3.  Heed all warnings.
4.  Follow all instructions.
5.  Do not use this apparatus near water.
6.   Clean only with a dry cloth.
7.    Do not block any ventilation openings. Install in accordance with the 

manufacturer’s instructions.

8.    Do not install near any heat sources such as radiators, heat registers, 

stoves, or other apparatus (including amplifiers) that produce heat.

9.    Do not defeat the safety purpose of the polarized or grounding-type 

plug. A polarized plug has two blades with one wider than the other. 

A grounding-type plug has two blades and a third grounding prong. 

The wide blade or the third prong is provided for your safety. If the 

provided plug does not fit into your outlet, consult an electrician for 

replacement of the obsolete outlet.

10.   Protect the power cord from being walked on or pinched, particularly 

at plugs, convenience receptacles, and the point where they exit from 

the apparatus.

11.  Only use attachments/accessories specified by the manufacturer.

12. Use only with a cart, stand, tripod, bracket, or table 

specified by the manufacturer, or sold with the apparatus. 

When a cart is used, use caution when moving the cart/

apparatus combination to avoid injury from tip-over.

13.   Unplug this apparatus during lightning storms or when unused for 

long periods of time.

14.  Refer all servicing to qualified service personnel. Servicing is required 

when the apparatus has been damaged in any way, such as power-

supply cord or plug is damaged, liquid has been spilled or objects 

have fallen into the apparatus, the apparatus has been exposed to rain 

or moisture, does not operate normally, or has been dropped.

15.  Use the mains plug to disconnect the apparatus from the mains.
16.  WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO 

NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

17. WARNING: THIS APPLIANCE SHALL BE CONNECTED TO A MAINS 

SOCKET OUTLET WITH A PROTECTIVE EARTHING CONNECTION.

18. DO NOT EXPOSE THIS EQUIPMENT TO DRIPPING OR 

SPLASHING AND ENSURE THAT NO OBJECTS FILLED 

WITH LIQUIDS, SUCH AS VASES, ARE PLACED ON THE 

EQUIPMENT.

19.   THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN 

READILY OPERABLE.

TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP 

OR BOTTOM COVERS. NO USER SERVICEABLE PARTS 

INSIDE. REFER SERVICING TO QUALIFIED SERVICE 

PERSONNEL.
TO COMPLETELY DISCONNECT THIS EQUIPMENT 

FROM THE AC MAINS, DISCONNECT THE POWER 

SUPPLY CORD PLUG FROM THE AC RECEPTACLE. THE 

MAINS PLUG OF THE POWER SUPPLY CORD SHALL 

REMAIN READILY OPERABLE.
WARNING: PAY ATTENTION TO A PROCEDURE, PRACTICE, CONDI-

TION OR THE LIKE, IF NOT CORRECTLY PERFORMED OR ADHERED 

TO, COULD RESULT IN PERSONAL INJURY OR DEATH.
CAUTION: PAY ATTENTION TO PROCEDURE, PRACTICE, 

CONDITION OR THE LIKE, IF NOT CORRECTLY PERFORMED OR 

ADHERED TO, COULD RESULT IN DAMAGE OR DESTRUCTION TO 

PART OR ALL OF THE COMPONENT.

WATCH FOR THESE SYMBOLS:

The lightning bolt triangle is used to alert the user to 

the risk of electric shock.

 

The exclamation point triangle is used to alert the 

user to important operating or maintenance instruc-

tions.

This device is designed and evaluated under the con-

dition of 2000 meters tall above sea level; and, it can 

be only used in locations below 2000 meters tall above 

sea level. Using the device above 2000 meters altitude 

would result in high safety risk.
The device is designed and evaluated under the condi-

tion of non-tropical climate; and, it can be only used 

in locations in non-tropical climate areas. Using the 

device in tropical climate areas would result in high 

safety risk.

IMPORTANT

XLi Series amplifiers require Class 2 output wiring.

MAGNETIC FIELD

CAUTION! Do not locate sensitive high-gain equipment such as 

preamplifiers or tape decks directly above or below the unit. Be-

cause this amplifier has a high power density, it has a strong mag-

netic field which can induce hum into unshielded devices that are 

located nearby. The field is strongest just above and below the unit.
If an equipment rack is used, we recommend locating the 

amplifier(s) in the bottom of the rack and the preamplifier or 

other sensitive equipment at the top.

FCC COMPLIANCE NOTICE

This device complies with part 15 of the FCC rules. Operation is sub-

ject to the following two conditions: (1) This device may not cause 

harmful interference, and (2) this device must accept any interference 

received, including interference that may cause undesired operation.
CAUTION: Changes or modifications not expressly approved by the 

party responsible for compliance could void the user’s authority to 

operate the equipment.
NOTE: This equipment has been tested and found to comply with 

the limits for a Class B digital device, pursuant to part 15 of the FCC 

Rules. These limits are designed to provide reasonable protection 

against harmful interference in a residential installation. This equip-

ment generates, uses, and can radiate radio frequency energy and, 

if not installed and used in accordance with the instruction manual, 

may cause harmful interference to radio communications. However, 

there is no guarantee that interference will not occur in a particular 

installation. If this equipment does cause harmful interference to ra-

dio or television reception, which can be determined by turning the 

equipment off and on, the user is encouraged to try to correct the 

interference by one or more of the following measures:
•  Reorient or relocate the receiving antenna.
•  Increase the separation between the equipment and receiver.
•   Connect the equipment into an outlet on a circuit different from 

that to which the receiver is connected.

•  Consult the dealer or an experienced radio/TV technician for help.

Important Safety Instructions

2000m

Summary of Contents for XLi 1500

Page 1: ... manual was deemed accurate as of the publication date However updates to this information may have occurred To obtain the latest version of this manual please visit the Crown website at www crownaudio com Later versions of this manual and additional information about this product may be available at the Crown website at www crownaudio com Trademark Notice Crown and Crown Audio are registered trad...

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Page 3: ...TICE CONDITION OR THE LIKE IF NOT CORRECTLY PERFORMED OR ADHERED TO COULD RESULT IN DAMAGE OR DESTRUCTION TO PART OR ALL OF THE COMPONENT WATCH FOR THESE SYMBOLS The lightning bolt triangle is used to alert the user to the risk of electric shock The exclamation point triangle is used to alert the user to important operating or maintenance instruc tions This device is designed and evaluated under t...

Page 4: ...Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 2001 Electrostatic Discharge Immunity Environment E2 Criteria B 4k V Contact 8k V Air Discharge EN 61000 4 3 2001 Radiated Radio Frequency Electromagnetic Immunity Environment E2 criteria A EN 61000 4 4 2001 Electrical Fast Transient Burst Immunity Criteria B EN 61000 4 5 2001 Surge Immunity Crite...

Page 5: ...wer Switch Push on push off Clip LED Yellow LED one per channel flashes when signal is audibly distorting Fault LED Red LED one per channel indicates channel shutdown Grill Allows flow through ventilation from front to back Signal Presence LED Green LED one per channel flashes when input signal exceeds 40 dBu Gain Control Sets ouptut level of each channel ...

Page 6: ... to back fo rced air ow f or Circuit Breaker Pro vides overload protec tion Output C onnec tors One Speakon and one Binding P ost per channel connec t to loudspeakers Mode S witch Stereo dual P arallel or Bridge Sensitivity Switch 1 4V or 0 775V input sensitivit y Input C onnec tors One balanced XLR and one unbalanced RCA per channel AC Power Connec to r Cordset rating 10A 250V Cable Coating Mater...

Page 7: ...r source with the power switch in the off position and all level controls turned completely down counterclockwise Use a standard 19 inch 48 3 cm equipment rack EIA RS 310B See below figure for amplifier dimensions NOTE When transporting amplifiers should be supported at both front and back MAGNETIC FIELD CAUTION Do not locate sensitive high gain equipment such as preamplifiers or tape decks direct...

Page 8: ...inding Post Connectors 1 See Figure 4 On the back panel set the Output Mode Switch to STEREO 2 Wire the speakers to the binding post connectors as shown INPUTS STEREO PARALLEL BRIDGE RESET UTPUTS 3500 XL SE SITI IT ODE 220V 50 60H z 700W Professional Audio Amplifier Manufacture Crown Audio Inc Made in China INPUTS STEREO PARALLEL BRIDGE RESET UTPUTS 3500 XL SE SITI IT ODE 220V 50 60H z 700W Profes...

Page 9: ...ost Connectors Bridge mono mode doubles the output power of the amplifier 1 See Figure 5 On the back panel set the Output Mode Switch to BRIDGE 2 Wire the speaker to the binding post connectors as shown 3 Only the Channel 1 Gain Control works in Bridge mono mode Wiring INPUTS STEREO PARALLEL BRIDGE RESET UTPUTS 3500 XL SE SITI IT ODE 220V 50 60H z 700W Professional Audio Amplifier Manufacture Crow...

Page 10: ...ing Post Connectors With this wiring a signal sent to one of the input connectors is paralleled to both channels so that it is reproduced by both speakers 1 See Figure 8 On the back panel set the Output Mode Switch to PARALLEL 2 Wire the speakers to the binding post connectors as shown INPUTS STEREO PARALLEL BRIDGE RESET UTPUTS 3500 XL SE SITI IT ODE 220V 50 60H z 700W Professional Audio Amplifier...

Page 11: ...tors Input Connectors One balanced XLR and one unbalanced RCA per channel Output Connectors Speaker Connectors 4 POLE Speakon and one pair Binding Post per channel Front Panel Controls Power on off switch one gain control per channel Rear Panel Controls Output mode switch stereo dual parallel or bridge Input sensitivity switch 0 775V or 1 4V Power Indicator One blue LED Signal Indicator One green ...

Page 12: ... defective product at our authorized service center 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 foreign country and the port of entry in the United States including the return shipment and all taxes duties and other customs fees for such foreign shipments ...

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