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Page 18

CE-Series

Amps with an Attitude!

priate slot of the connector insert (B) as shown in Figure
2.6. Use a 1.5-mm hex key inserted into each side slot to
tighten the connection.

2.6.4a—If the Mode switch is in the “Stereo” position

(for

stereo configuration), connect the positive (+) and nega-
tive (–) leads of each wire to the appropriate Channel 1
and Channel 2 connectors as shown in Figure 2.7. Refer
to Figure 2.10 for complete system setup. You may use all
4 poles of the Channel 1 output connector to feed both
speakers, if you wish.

Fig. 2.7
Stereo Output
Wiring

Fig. 2.6
Wiring for
the Neutrik
Speakon
NL4FC
Connector

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Содержание CE 2000

Страница 1: ...wn International Inc P O Box 1000 Elkhart IN 46515 1000 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 ...

Страница 2: ...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 att...

Страница 3: ...sed 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 not...

Страница 4: ...s 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 UNIT WITHOUTTHE FACTORY PACK ...

Страница 5: ...Page 5 CE Series Amps with an Attitude ...

Страница 6: ... 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 Tu...

Страница 7: ...ast your speak 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 o Get Your Speakons Typical Stereo Hookup ...

Страница 8: ...ck 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 ...

Страница 9: ...C 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 SS...

Страница 10: ...of course is still Crown My dad always said it ain t braggin if it s true The engineers at Crown got 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...

Страница 11: ...ut connectors the CE Series features genuine Neutrik Speakon 4 pole connectors for quick se cure and safe connections And of course there s no mistaking a CE Series amp Its rugged look will impress your friends almost as much as the Crown name This manual will help you correctly set up and use your new amplifier we strongly recommend you read all instructions warnings and cautions Also for your pr...

Страница 12: ...Page 12 CE Series Amps with an Attitude Fig 1 2 The Big Picture Controls Indicators Connectors ...

Страница 13: ...Page 13 CE Series Amps with an Attitude ...

Страница 14: ...of the amplifier such as mixers equalizers or signal processors should also be turned off 2 2 Mount the amplifier Your CE Series amp can be mounted in a standard 19 inch 48 3 cm equipment rack or it can be simply stacked with other equipment And since your CE Series amp is not as deep as many amplifiers only 12 25 inches 31 11 cm behind the front panel you can also mount it in the shallow wall mou...

Страница 15: ...ridge Mono to have a single input that feeds to a single output with twice the voltage of Stereo Mode Use this configuration if you want to give up stereo capabilities in order to drive your speakers louder note that the wiring will also need to be changed for this configuration see step 6 later in this section 2 4 Set the Input Sensitivity switch to the desired setting Two choices are available 1...

Страница 16: ...id are superior Cables with a stranded spiral shield although very flexible will break down over time and cause noise problems 2 Try to avoid using unbalanced lines with professional equipment If you have no choice keep the cables as short as possible Refer to the information on Balancing the Line in the Other Issues section 3 To minimize hum and crosstalk avoid running low level input high level ...

Страница 17: ...able end Strip approximately 1 4 inch 6 mm from the end of each of the conductors down to bare wire 2 6 3 Slide the end sleeves C onto the wire ends and crimp in place 2 6 4 Insert each wire with end sleeve into the top of appro You can purchase the Speakon NL4FC connectors from your local dealer or contact NEUTRIK AG Im alten riet 34 Schaan FL 9494 Furstentum Liechtenstein 011 41 75 237 2424 FAX ...

Страница 18: ...is in the Stereo position for stereo configuration connect the positive and nega tive leads of each wire to the appropriate Channel 1 and Channel 2 connectors as shown in Figure 2 7 Refer to Figure 2 10 for complete system setup You may use all 4 poles of the Channel 1 output connector to feed both speakers if you wish Fig 2 7 Stereo Output Wiring Fig 2 6 Wiring for the Neutrik Speakon NL4FC Conne...

Страница 19: ...el the output channels of a CE Series amplifier to itself or any other amplifier Fig 2 8 Bridge Mono Output Wiring 2 6 5 Slide the connector insert B into the connector hous ing A making sure that the large notch on the outer edge of the insert lines up with the large groove on the inside of the connector housing The insert should slide easily through the housing and out the other side until it ex...

Страница 20: ...Page 20 CE Series Amps with an Attitude ...

Страница 21: ...Page 21 CE Series Amps with an Attitude Fig 2 10 Stereo Hookup Two Stacks One Amp Stereo In Stereo Out ...

Страница 22: ...Page 22 CE Series Amps with an Attitude ...

Страница 23: ...Page 23 CE Series Amps with an Attitude Fig 2 11 Bridge Mono Output Hookup Great for Subs or When You Want It WAY LOUD ...

Страница 24: ... AC power sockets Accidental AC input will be an electrifying experience for your equipment But you will find out real quick if your speakers are any good at 60 Hz 5 Avoid using connectors with low current carrying capacity such as XLRs 6 Do not use connectors that have any tendency to short 7 To maintain good bass response use the lowest DC resistance cable you can afford and will terminate safel...

Страница 25: ...de lugs or bare ends an approach that is clearly not advantageous to the customer who wants to reconfigure his system or quickly change out a defective product It is possible that similar regulatory controls will appear worldwide over the next few years One solution to this problem is to use the Neutrik Speakon connector Here at Crown we wanted to develop a system for you that eliminated the need ...

Страница 26: ... outlined in the Operation section page 29 if this is the first time the am plifier is being turned on 2 9 Check to make sure adequate ventilation has been provided Even though this amplifier has some of the most efficient heat sinks in the marketplace it must be able to breathe So make sure that the front vents are never blocked and that the exhaust fan out the back is not blocked or covered by c...

Страница 27: ...stage become non opera tional This circuit may be monitored remotely by plugging into the back panel RJ11 jack Fault and using a circuit like the one described in Figure 5 2 Under some conditions the output of the amplifier will be muted Clip The red Clip indicators turn on when distortion is audible in the amplifier output Signal Unlike some of our other amplifiers on the CE Series amplifiers the...

Страница 28: ...ont of the amplifier To decrease the level ro tate the control counter clockwise to To increase the level rotate it clockwise to 0 The level control knob may be pulled from the front panel and the holes plugged with the supplied caps if you wish to minimize tampering of control settings Fig 3 1 Front Panel Indicators Controls ...

Страница 29: ... off 2 Turn down the amplifier s level controls counter clock wise to 3 Turn on the power switch The power indicator beside the switch will turn on 4 After the Power light turns on test the operating range of your input by turning up the level of your audio source to the highest possible operating level before distortion You should notice the green signal indicators glowing on your amplifier 5 S L...

Страница 30: ...d voltage gain of 20 or 26 dB 1 volt in 20 volts out This position works best with output levels of 10 dBu 2 5 volts RMS or more Some brands of DJ mixers in particular have output levels in this range Selecting the correct sensitivity will allow your equipment to operate at its optimum level and im prove the signal to noise of the system Mode Bridge Mono Mode combines the two amplifier output chan...

Страница 31: ...sily introduced into long unbalanced lines 3 1 2 GND FROM SOURCE INPUT BALANCED SHIELD FROM SOURCE INPUT UNBALANCED SHIELD 3 1 2 SHIELD 4 Other Issues Balancing the Line A balanced audio circuit typically will have both positive and negative legs of the circuit isolated from the ground circuit These balanced legs exhibit identical impedance char acteristics with respect to ground and may also carr...

Страница 32: ...oax Hum and Buzz Tips 1 It is imperative that all of your electrical equipment share the same power ground reference 2 Unless you are interfacing to a microphone the shield of the cable should only be connected at one end See Fig 4 2 3 Do not pass signal ground between electrical components in a grounded source system 4 If you wish to avoid ground loops it doesn t matter if you lift the input or o...

Страница 33: ...on If the ca bling is incorrect you may be able to avoid the ground loop and associated hum by plugging all of your equipment into the same AC circuit on the same breaker If this is impracti cal you will need to fix the cable to match the appropriate illustration Or you may want to simply replace the offending cable with a commercially manufactured cable of the appro priate type ...

Страница 34: ...Page 34 CE Series Amps with an Attitude Fig 4 4 Unbalanced Input Wiring ...

Страница 35: ...r that simply plugs into the input slot on the back panel of the CE Series amplifiers Extremely easy to install and set up the crossover uses hard wired precision components that stay at the frequencies you have selected for consistent band width control When you use Crown s SST plug in crossover to split the power drive to the loudspeaker components you gain a wide range of advantages including 1...

Страница 36: ...0 50 Hz HP 12 24 dB OCT 20 20 kHz LP SUMMED 18 dB OCT 20 50 Hz HP 24 dB OCT 20 20 kHz LP CD EQ CD EQ Crown s advanced SST crossover plug in module is easily ex changed with the existing module by removing the four corner screws and unplugging an edge connector The crossover module offers the following features Stereo biamp 12 18 and 24 dB Linkwitz Riley octave filters Figure 5 1 Block Diagram for ...

Страница 37: ...PUT A CH 2 AMPLFIER INPUT BALANCED OUTPUT B BALANCED OUTPUT C CD horn equalization Mono summing of low frequency output for driving subs Crown plans to release additional accessory plug in modules offering a range of advanced features and capabilities Watch for new releases ...

Страница 38: ...he amplifier has just been turned on and is in its turn on delay mode or the amplifier is turned off If you choose to design your own circuit to interface this signal to your system note that this RJ jack is polarity sensitive Pin 2 must be grounded and Pin 5 must be supplied with a positive voltage pull up positive with respect to ground Refer to Fig ure 5 3 for RJ jack pin assignments The maximu...

Страница 39: ...re 5 4 The plugs should slide easily into position without forcing Once in place the plugs will help to avoid most accidental or intentional tampering some situa tions may require additional security measures To remove the hole plugs simply pry the plug away from the amplifier case using a small flat blade screwdriver To help to ensure adequate security the plugs have been designed to be more diff...

Страница 40: ... The signal is then converted from balanced to unbalanced in the Balanced In put Stage where it also receives RFI protection Signal then flows into the Variable Gain Stage where the front panel level controls are allowed to affect the gain This stage also pro vides the necessary scaling to change the amplifier s overall input sensitivity when the rear mounted input sensitivity switch is moved Foll...

Страница 41: ...he scope of this description and if discussed would surely put most readers to sleep Following the error amp is the LVA stage which is where the low voltage referenced signal gets translated to the output high voltage rails The last voltage amplifier in conjunction with a bootstrapped current source drives both predrivers and the bias servo The bias servo is mounted in such a way as to translate t...

Страница 42: ...stereo typical to Bridge Mono in one connector to run ning a bi amp speaker with one amplifier and one cable per speaker cabinet The output relay in conjunction with input signal mute circuit assures the amplifier will be well behaved during turn on and off In the event of an amplifier output failure a triac will fire across the offending channel and act to protect your speak ers The turn on delay...

Страница 43: ... lose AC power the opto isolator will change to a high resistance allowing the user to remotely detect the status of the amplifier The Signal Presence Indicators tap the signal chain just be fore the level controls and prior to the power amplifier chain They are not amplifier output indicators and should only be used to indicate the presence of signal to the amplifier front end The Clip light is d...

Страница 44: ...m 20 Hz to 20 kHz Intermodulation Distortion 60 Hz and 7 kHz at 4 1 0 1 from 8 ohms rated power to 35 dB Damping Factor 400 from 10 to 400 Hz Crosstalk 55 dB from 20 Hz to 20 kHz Common Mode Rejection CMR 70 dB from 20 Hz to 1 kHz DC Output Offset Shorted Input 10 mV Voltage Gain All Models 20 1 at maximum level position 26 dB CE 1000 33 5 1 or 30 5 dB at 1 4 volt sensitivity 8 ohms CE 2000 40 4 1...

Страница 45: ...channel which flashes when a very low level signal 40 dBm is present at input May be used for troubleshooting cable runs Clip A red LED for each channel which turns on when distorion becomes audible in the amplifier output Fault OFF is good This red indicator will blink under three different conditions 1 When the amplifier is first powered up until the unit is ready for operation 2 If the heatsink...

Страница 46: ...istors Input Impedance Nominally 20 K ohms balanced Nominally 10 K ohms unbalanced Input Sensitivity 1 4 volts for standard 1 kHz power or fixed 26 dB gain Output Connectors Two Neutrik Speakon NL4MP mates withNL4FC output connectors DC Output Offset 10 millivolts Output Signal Stereo Unbalanced two channel Bridge Mono Balanced single channel Channel 1 controls are active Channel 2 should be turne...

Страница 47: ... off transients Construction Rugged steel chassis is formed into a durable package any stagehand could love Coated with environmentally friendly powder for long life and ease of maintenance Cooling Proportional speed fan Dimensions Standard 19 inch 48 3 cm rack mount width EIA RS 310 B 51 4 inch 13 34 cm height and 121 4 inch 31 11 cm depth behind front mounting surface Weight The CE 1000 weighs 3...

Страница 48: ...ce may be obtained in one of two ways from an autho rized service center or from the factory You may choose ei ther It is important that you have your copy of the bill of sale as your proof of purchase Service at a North American Service Center This method usually saves the most time and effort Simply present your bill of sale along with the defective unit to an au thorized service center to obtai...

Страница 49: ...rown s Parts Department Do not use loose small size packing materials 3 Do not ship the unit in any kind of cabinet or rack wood or metal Ignoring this warning may result in extensive dam age to the unit and the cabinet Accessories are not needed do not send cables and other hardware Do not send this instruction manual if we forget what we said we have duplicates If you have any questions please c...

Страница 50: ...not later than ninety 90 days after expiration of the warranty period All components must be shipped in a factory pack which if needed may be obtained from us free of charge Corrective action will be taken within a reasonable time of the date of receipt of the defective product by us or our authorized service center If the repairs made by us or our authorized service center are not satisfactory no...

Страница 51: ...t from the date of original purchase Warranty work can only be performed at our authorized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defective product at our authorized service center HOW TO OBTAIN WARRANTY SERVICE You must notify us of your need for warranty service not later than ninety 90 days after expir...

Страница 52: ...___________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Other equipment in your system _____________________________________...

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