Crown CE Series Manuel utilisateur

125645-1

12/97

CE-Series

U.S.A. Telephone: 219-294-8000. Fax: 219-294-8329. Trademark Notice:

Crown

®is a registered trademark of Crown International, Inc. Other

trademarks are the property of their respective owners.

Page 2

CE-Series

Amps with an Attitude!

Da Rules

Hey! I'm Eric

Let me fill you

in about your

new CE-Series

Amp!!

3. WARNING: Shock

hazard. To reduce the

risk of fire or electric

shock, do not expose this

unit to rain or moisture.

Do not immerse your

CE-

Series

amplifier in any

liquid. Do not operate

your amplifier near a

pool, bathtub or other

standing water (even on

a dare).

4. Do not bypass or defeat

the grounding or

polarization means used

on the

CE-Series

amplifiers. Make sure all

blades on the polarized

power plug can be fully

inserted into the exten-

sion cord, receptacle or

other outlet that will be

used with the unit.

5. Your

CE-Series

amp

should be cleaned only

with a damp cloth

6. Take care of the power

cord attached to your

CE-

Series

amplifier. Avoid

situations where your

cord might be stretched,

pinched, or otherwise

abused. Route it to avoid

foot traffic. Pay special

attention to the cord

connector and attachment

points.

1. Read all safety and operating instructions

before operating the

CE-Series

amplifier.

Follow all instructions carefully and heed any

warnings given.

2. Do not drop or spill any foreign object or

liquid into the

CE-Series

amplifier.

Page 3

CE-Series

Amps with an Attitude!

7. Do not attempt to service

this unit beyond instructions

contained in this manual.

Refer all servicing to the

Crown Service Department.

8. Keep your

CE-Series

amplifier away from sources

of heat, such as a radiator or

oven. Do not cover or

surround your amp with

material which may retain

heat, such as a blanket or

curtain.

9. Obtain assistance

from qualified service

personnel if any of the

following occurs:

• The power cord or plug

has been damaged in

any way.

• Foreign objects or

liquid have fallen into

the amplifier enclosure.

• The amplifier has been

exposed to rain or has

been partially or totally

immersed in any liquid.

• The amplifier has been

dropped or the chassis

has been damaged.

• You notice a marked

change in performance,

or your

CE-Series

amp

does not appear to

operate normally.

Lightning Bolt Symbol:

This symbol is used to alert the

user to the presence of dangerous

voltages and the possible risk of

electric shock.

Exclamation Mark Symbol:

This symbol is used to alert the

user to make special note of

important operating or maintenance

instructions found in the reference

manual.

Watch for these symbols:

Keep these

instructions

where you can

look at em

later!

10. CAUTION: Do not locate

sensitive, high-gain

equipment such as

preamplifiers or tape

decks directly above or

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.

Page 4

CE-Series

Amps with an Attitude!

Unpacking Your

CE-Series Amp

Please unpack and inspect your amplifier for any damage that

may have occurred during transit. If damage is found, notify

the transportation company immediately. Only you can initiate

a claim for shipping damage. Crown will be happy to help as

needed. Save the shipping carton as evidence of damage for

the shipper’s inspection.

We also recommend that you save all packing materials so

you will have them if you ever need to transport the unit.

NEVER SHIPTHE UNITWITHOUTTHE FACTORY PACK.

Page 5

CE-Series

Amps with an Attitude!

Page 6

CE-Series

Amps with an Attitude!

Quick Start!

You’ve waited a long time for this! We know you just can’t wait

to crank up your new Crown®

CE-Series

amplifier. And you

suredon’twant to flipthroughpages of tech-talk just to findout

where the “ON” switch is. So that’s why we provided you with

this quick and simple page to get you up and running right

away. Just take a few minutes to read through this—no more

than five or ten, max—you’ll be glad you did.

1. Make sure the

CE-Series

amp and all other equipment is

turned OFF before you begin wiring. By the way, the amp

power switch is located on the far left side of the front

panel. It is OFF when depressed on the left.

2. Mount your

CE-Series

amp securely in the rack, or posi-

tion it on a solid surface.

3. Connect the left and right inputs coming from your mixer,

preamp, or processor. You can use either balanced 1/4-inch

phone, 3-pin XLR or barrier block connectors. You can also

choose to run in MONO mode. (See Figures 2.6 and 2.8.)

4. Connect the output wiring (left and right speakers). You

will need two (2) Neutrik Speakon®NL4FC mating con-

nectors.

5. Connect your

CE-Series

amp and other equipment to the

appropriate power source.

6. Turn on your mixer, preamp, signal processor, or any

other equipment in your system EXCEPT your

CE-Series

amplifier. (Remember: the best is worth waiting for.)

7. Make sure the Channel 1 and Channel 2 level (volume)

controls on your

CE-Series

amplifier are turned all the way

down (counter-clockwise), then flip the power switch ON.

Note: The Fault light blinks a few times, and the “Power”

light will glow a bright green to indicate power is on.

8. (Now comes the fun!) Supply input, adjust amp levels

and enjoy.

9. You can check the green signal light to verify input, if nec-

essary.

Did You Remember To

Page 7

CE-Series

Amps with an Attitude!

CAUTION: Excessive outputlevels maytoast yourspeak-

ers. Crown’s

CE-Series

amplifiers have such low distor-

tion, you may not realize the actual level being reached

until it’s too late. Please exercise caution and drive your

speakers responsibly (or at least warn your neighbors!).

oGet Your Speakons®?

Typical Stereo

Hookup

Page 8

CE-Series

Amps with an Attitude!

Contents

Da Rules ............................................................... 2

Unpacking Your

CE-Series

Amplifier ..................... 4

Features................................................................ 5

Quick Start ............................................................ 6

1 Welcome............................................................. 10

2 Detailed Install .................................................... 14

3 Operation............................................................ 27

4 Other Issues:

Balancing the Line .............................................. 31

The Dastardly Duo: Hum and Buzz ..................... 32

5 Advanced Features and Options:

Crown SST Modules............................................ 35

Fault Monitoring .................................................. 38

Handle Kit ........................................................... 38

Tamper-Resistant Hole Plugs............................... 39

6 Principles of Operation........................................ 40

7 Specifications ..................................................... 44

8 Service................................................................ 48

Page 9

CE-Series

Amps with an Attitude!

Illustrations

Typical Stereo Hookup .......................................... 7

1.1 The

CE-Series

Amplifier ................................. 10-11

1.2 The Big Picture: Controls, Indicators and

Connectors ................................................... 12-13

2.1 Mounting Dimensions.......................................... 14

2.2 Mode Switch ....................................................... 15

2.3 Input Sensitivity Switch........................................ 15

2.4 Typical Input Wiring............................................. 16

2.5 Neutrik Speakon®NL4FC Assembly Order.......... 17

2.6 Neutrik Speakon®NL4FC Wiring ......................... 18

2.7 Stereo Output Wiring ........................................... 18

2.8 Bridge-Mono Output Wiring................................. 19

2.9 Neutrik NL4FC Insert into Housing ...................... 19

2.10 Stereo Hookup ............................................... 20-21

2.11 Bridge-Mono Hookup..................................... 22-23

2.12 Neutrik NL4FC Chuck into Housing ..................... 24

2.13 Neutrik NL4FC Bushing onto Housing ................. 25

3.1 Front Panel Indicators & Controls ........................ 28

3.2 Back Panel Controls............................................ 29

4.1 Balanced & Unbalanced Input Wiring ................. 31

4.2 Polarity Conversions............................................ 31

4.3 Balanced Input Wiring......................................... 33

4.4 Unbalanced Input Wiring .................................... 34

5.1 Block Diagram for Crown’s Crossover SST ..... 36-37

5.2 Fault Status LED Circuitry.................................... 38

5.3 RJ Jack Wiring and Pin Assignments .................. 38

5.4 Tamper-Resistant Hole Plugs............................... 39

6.1

CE-Series

Amplifier Block Diagram ................ 40-41

7.1 Output Pin Assignments...................................... 46

7.2 Awesome Frequency (Amplitude) Response....... 47

Page 10

CE-Series

Amps with an Attitude!

Thanks for buying this

CE-Series

amplifier. Here at Crown, we

appreciate your support, and we think you’ll find that you’ve

also done yourself a favor by choosing Crown. That’s because

the

CE-Series

amps are REAL Crown amplifiers, designed by

dedicated Crown engineers to fit your needs AND your wallet.

Yes, these Crown engineering dudes, cool guys that they are,

thoughtthat no-oneshouldbewithoutthat greatCrownsound.

So what if you’re not running a pro tour (yet)? You deserve the

best in amplified sound. And the best, of course, is still Crown.

(My dad always said, it ain’t braggin’ if it’s true.)

TheengineersatCrowngot together and thumbed their noses

at those high-ranking corporate types who always want big

stickers and huge markups. What they came up with is the

CE-Series

of amplifiers. We think you’ll really like it.

So what else is special about the

CE-Series

First off, your

CE-Series

amplifier features all front-panel con-

trols for ease of use. But—so you don’t have to sacrifice secu-

rity for comfort—the front panel level controls can be set, then

removed entirely from the panel. Whether for long-term control

in a fixed installation or short-term protection against unautho-

rized adjustments, this feature allows you to just set-and-for-

get your level controls.

Welcome

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