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Reference Manual

Reference Manual

CE 4000

The amp with an Attitude!

CE 4000

The amp with an Attitude!

Fig. 2.5
DJ Application

Note: Mono hookup requires custom wiring on Neutrik
connectors. See Figure 4.8 for more information.

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Summary of Contents for ce 4000

Page 1: ...his 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 Some models may be exported under the name Amcron Obtaining Other Language Versions To obtain information in another language about the use of this product please contact your local Crown Dis...

Page 2: ...fety purpose of the polarized or ground ing 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 ...

Page 3: ...t 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 ampli...

Page 4: ...in wiring By the way the amp power switch is located on the far left side of the front panel It is off O when depressed on the left 2 Mount your CE 4000 amp securely in the rack or position 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 6 35 mm phone 3 pin XLR or barrier block connectors You can also choose ...

Page 5: ...done yourself a favor by choosing Crown You see CE 4000 amplifiers have been engineered from the bottom up for top notch performance and unmatched reliability Designed using Crown s patented award wining BCA Bal anced Current Amplifier engineering the CE 4000 provides superior power output increased efficiency legendary Crown sound and extraordinary reliability With typical output power at 3 600 w...

Page 6: ...cluded in your literature package for informa tion on amplifier setup For your protection please send in the warranty registration card today And save your bill of sale it s your official proof of purchase Unpacking Your CE 4000 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...

Page 7: ...l CE 4000 The amp with an Attitude CE 4000 The amp with an Attitude Fig 1 2 The Big Picture Controls Indicators Connectors Controls Indicators Connectors Shown with standard input module and Neutrik Speakon 5 way binding post output connectors option ...

Page 8: ...or accidentally dropped which we know never happens 2 3 Set the mode switch Make sure your amplifier is turned off O before moving this switch The Mode switch should be in the Stereo position when you re running in Stereo Mode Stereo Mode allows independent inputs on the left and right channels to feed separate speakers at the output It s the configuration typically chosen for ev eryday audio appl...

Page 9: ... instructions on wiring and assembling the Neutrik Speakon NL4FC connectors see the Guide to Neutrik Speakon NL4FC Connector Assembly in the Crown Pro Information Guide section of this manual You may also choose to connect to the amplifier using banana spade lugs or bare wire connectors depending on the output options specified for your amplifier IMPORTANT Custom wiring should only be installed by...

Page 10: ...o operate the amplifier 2 6 Check to make sure that 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 notblocked or covered by cables An amplifier running at high sound pressure levels into low impedance lo...

Page 11: ...Page 21 Page 20 Reference Manual Reference Manual CE 4000 The amp with an Attitude CE 4000 The amp with an Attitude Fig 2 4 Stereo Hookup Two Stacks One Amp Stereo In Stereo Out ...

Page 12: ...eference Manual Reference Manual CE 4000 The amp with an Attitude CE 4000 The amp with an Attitude Fig 2 5 DJ Application Note Mono hookup requires custom wiring on Neutrik connectors See Figure 4 8 for more information ...

Page 13: ...n the front of the amplifier until the maximum desired loudness or power level is achieved Be prepared for astounding output 6 Turn down the level of your audio source to its normal range Controls Indicators Refer to the following for information on how to operate and read your CE 4000 controls and indicators See Fig ures 3 1 and 3 2 for location of controls and indicators Power Switch The power s...

Page 14: ...el The Power indicator lights when your CE 4000 amp has been turned on and has power Level Controls Two rotary level controls one for each chan nel are located on the front panel Use these controls to adjust each channel s output To decrease the level rotate the control counter clockwise to To increase the level rotate it clock wise to 0 Input Sensitivity Switch A three position Input Sensitivity ...

Page 15: ...amplifier output channels into a single mono channel with twice the voltage of a single stereo channel This means the output will be much more powerful It does this by bridging the outputs and it requires special output wiring Do NOT se lect Bridge Mono mode without first making sure the am plifier has been wired in a Bridge Mono configuration For more information on wiring for Bridge Mono mode se...

Page 16: ...f the lighting company Fig 4 3 Balanced Input Wiring The Dastardly Duo Dr Hum and Mr Buzz If you have noticeable hum or buzz in your system you may want to check your cable connections to see if the unwanted noise is being introduced via a ground loop To determine the proper wiring first check whether the output from your source is unbalanced or balanced if you don t know refer to the unit s back ...

Page 17: ...ured of the connector s reliabil ity in the workplace With Speakon connectors you can plug straight from the amp to the speaker and start making those great sounds right away The Speakon connector meets all known safety regulations Once wired cor rectly the connector cannot be plugged in backwards causing the type of in verted polarity situations that are common with banana hookups It will provide...

Page 18: ... to tighten the side connecting screws 3b If the Mode switch is in the Stereo position for stereo configuration connect the positive and negative leads of each wire to the appropriate Channel 1 and Channel 2 connectors as shown in Figure 4 7 You may use all 4 poles of the Channel 1 output connector to feed both speakers if you wish Fig 4 7 Stereo Output Wiring Fig 4 8 Bridge Mono Output Wiring Fig...

Page 19: ...far out performed competitive amplifi ers in tests where the amplifier was run as much as 12 dB into clip for extended periods of time High efficiency tough robust design and great Crown sound make Crown BCA amplifiers the clear choice for professional musicians everywhere Switching Power Supply with PFC Crown s new Switching Power Supply with PFC provides a range of benefits over both non switchi...

Page 20: ...ts way to the load PFC however compensates for phase differences in the power supply allowing more true power to be transferred to the amplifier The result is more power with less waste than any other conventional switching or non switching design As an added benefit PFC also allows the amp to be connected to any common AC line voltage without converting the power supply This means that whether yo...

Page 21: ... 6 35 mm and XLR input jacks Barrier block balanced outputs Optional high pass filter bypass on amplified outputs adapts system for full range use SST SX Crossover The SST SX crossover module features 24 dB octave Linkwitz Riley tuned filters and mono summed sub bass outputs for biamp operation of subs See Figure 5 2 for SST SX block dia gram Features of the SST SX crossover include Mono summed su...

Page 22: ... to release additional accessory plug in modules offering a range of advanced features and capabilities Watch for new releases Fault Monitoring The Fault RJ11 jack which looks like a telephone plug is located on the back of your CE 4000 amplifier It gives you an easy way to remotely monitor the amplifier s fault status To set up a circuit that will cause an LED to light whenever a fault status occ...

Page 23: ...respect to ground Refer to Fig ure 5 5 for RJ jack pin assignments The maximum signal that can be exposed to the fault jack is 35 VDC and 10 mA Best results are obtained with 10 mA LEDs Handle Kit Handles complement your amplifier s appearance aid in trans portation and the placement in or removal from racks They are available from Crown s Sales Department Optional Output Connectors For added syst...

Page 24: ...plifier error amp where it is mixed with a small portion of the output voltage and current in such a way as to control the amplifier s overall output perfor mance Warning Details of closed loop amplifier design are beyond the scope of this description and if discussed would surely put most readers to sleep Following the error amp is the modulator stage where the au dio signal is compared to an ext...

Page 25: ...sented at the input of the amplifier will not be passed through to the output the Fault LED will blink to get your attention The turn on delay for example will cause each channel s LED to blink because the amplifier remains in standby for a few seconds before it allows audio output A modular jack is mounted on the back panel same type as used on telephones Pins 2 and 5 are connected to an opto iso...

Page 26: ...olation stage and to fill the large energy reservoir capacitors The power then goes to the buck isolation stage This stage takes the 400 Volt PFC voltage and again using switching power supply technology converts it down bucks it down to the level needed to power the audio output stage The iso lation stage also satisfies a safety requirement by providing isolation using a transformer between the A...

Page 27: ...to 20 kHz Common Mode Rejection CMR Better than 70 dB from 20 Hz to 1 kHz DC Output Offset Shorted Input 10 mV Controls Connectors Level A detented rotary level control for each channel located on the front panel Power An on off rocker switch located on the front panel Mode Turn power off before switching A two position switch lo cated on the back panel below the input connectors which when turned...

Page 28: ...mploys pre cision 1 resistors Input Impedance Nominally 20 k ohms balanced Nominally 10 k ohms unbalanced Input Sensitivity 0 775 volts or 1 4 volts for standard 1 kHz power or fixed 26 dB gain Output Connectors Three options available Four 4 Neutrik Speakon NL4MP mates with NL4FC output connectors 2 5 way binding posts in parallel with two 2 Speakon connec tors or barrier strip outputs in paralle...

Page 29: ...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 obtain service They will handle the necessary paperwork and repair Remember to transport the unit in the original factory packing A list of authorized service centers in your area can be obtained...

Page 30: ...packing container If you don t have one call or write Crown 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 sai...

Page 31: ...UBSEQUENT OWNER of each NEW Crown product for a period of three 3 years from the date of purchase by the original purchaser the warranty period that the new Crown product is free of defects in materials and workmanship We further warrant the new Crown product regardless of the reason for failure except as excluded in this Warranty ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in e...

Page 32: ...__________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Other equipment in your system __________________________________________ ___...

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