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Macro-Tech 5002VZ

Power Amplifier

Reference Manual

Fig. 5.5 Circuit Block Diagram

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Summary of Contents for Macro-Tech 5002 VZ

Page 1: ...00 Fax 219 294 8329 Macro Tech amplifiers are produced by the Professional Audio Unit of Crown International Inc Trademark Notice PIP SmartAmp and Grounded Bridge are trademarks and Amcron Crown Macro...

Page 2: ...riodofthree 3 yearsfromthedateofpurchasebytheoriginalpurchaser the warrantyperiod thatthenewCrownproductisfreeofdefectsinmaterials and workmanship We further warrant the new Crown product regardless o...

Page 3: ...lectrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience recep tacles and the point where they exit from the appara...

Page 4: ...ed and ear protection recommended when playing at high volumes WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE C A U T I O N RISK OF ELECTRIC SHOCK DO NOT...

Page 5: ...uirements 21 4 Operation 22 4 1 Precautions 22 4 2 Indicators 22 4 3 Protection Systems 24 4 3 1 ODEP 24 4 3 2 Standby 24 4 3 3 Transformer Thermal Protection 25 4 3 4 Power Supply Fuses 25 4 4 Contro...

Page 6: ...4 1 Indicators 22 4 2 Macro Tech 5002VZ Indicator States 23 4 3 Input Sensitivity LOI and Compressor Switches 26 4 4 Channel 1 VZ Mode Switch Behind Filter 27 5 1 A Typical Power Supply 29 5 2 Music...

Page 7: ...of ODEP protection to keep the show going long after other amplifiers have failed even under the most severe conditions In addition your amplifier pro vides enhanced PIP2 compatibility which makes it...

Page 8: ...rn offtransientsandother transients that can occur during an AC brownout Standby mode also provides overvoltage protection from AC mains of more than 11 over the rated voltage Innovative Loudspeaker O...

Page 9: ...een multifunction indicators show both signal presence and distortion for each channel As signal presence indicators they flash synchronously with the amplifier s audio output As IOC Input Output Com...

Page 10: ...is used to select one of three output modes Stereo mode is used for normal two channel operation Bridge Mono mode is used to drive a single channel with a load impedance of at least 4 ohms and Paralle...

Page 11: ...anced XLR Inputs A balanced 3 pin female XLR connector is provided on the PIP2 FXQ for input to each channel or for daisy chained output to other amplifiers Note The Channel 2 input is bypassed in eit...

Page 12: ...re recommended over perforated panels because they tend to cause less air restriction A good choice for pressurizing the air behind the rack cabinet door is to mount a squirrel cage blower inside the...

Page 13: ...o Wiring reo mono switch Turn off the amplifier and wait at least 10 seconds before changing this switch or in ternal damage to the circuitry may result There are VERY IMPORTANT wiring differences amo...

Page 14: ...o mode A signal feeding Channel 2 will have no effect on the output Connect the load across the Channel 1 and 2 positive terminals attaching the positive lead from the load to Channel 1 and the negati...

Page 15: ...riving loads with a total impedance of less than 4 ohms see Section 3 3 2 if the load is 4 ohms or greater Installing the amplifier in Parallel Mono mode is different from the other modes and requires...

Page 16: ...g 3 7 Unbalanced Input Wiring Fig 3 9 Balanced and Unbalanced Phone Plug Wiring Fig 3 8 Balanced Input Wiring The phone jack input connectors can be wired similarly for balanced or unbalanced ground r...

Page 17: ...oud speaker Offset Integration LOI for each channel The LOI switches are located on the back panel of the am plifier This circuitry includes a third order high pass Butterworth filter with a 3 dB freq...

Page 18: ...r decreases as the cable resistance increases This is very important because the amplifier s excellent damp ing factor can easily be negated by insufficient loud speaker cables Use the nomograph in Fi...

Page 19: ...nic currents when primarily inductive loads are used Such loads include 70 volt step up transformers and electrostatic loudspeakers Inductive loads may appear as a short circuit at low frequencies Thi...

Page 20: ...possible connect the power cord to an isolated power circuit with adequate current see Section 7 for detailed information on cur rent draw Excessive line voltages of more than 11 above the amplifier s...

Page 21: ...4 2 Indicators The Macro Tech 5002VZ has several internal indicators that can be used to help to identify a problem that causes a power supply to be put in standby These indicators are described in Se...

Page 22: ...Page 23 Macro Tech 5002VZ Power Amplifier Reference Manual Fig 4 2 Macro Tech 5002VZ Indicator States...

Page 23: ...l loudspeakers in parallel with each output until the ILoad ILimit indicator turns red The op timum load is achieved before the ILoad ILimit indica tor turns red so disconnecting the last added loudsp...

Page 24: ...the low voltage power supply fuse blows refer the unit to a qualified technician for service the standby mode If the AC line voltage drops to about 20 or more below the unit s rated voltage both chan...

Page 25: ...accurately repeatable settings To prevent tamper ing the Level Control Security Kit is available see Sec tion 8 2 In Bridge Mono and Parallel Mono modes the Channel 2 level control is bypassed The thr...

Page 26: ...low current modes of operation as operating conditions change Normally the power supplies operate in the high current low impedance mode for maximum ther mal efficiency When voltage demand reaches hi...

Page 27: ...ut stage has two composite NPN devices and two composite PNP devices The devices connected to the load are referred to as high side NPN and PNP and the devices connected to ground are referred to as l...

Page 28: ...ary of T100 is full wave rectified by DB100 and DB101 and filtered by large computer grade capacitors C810 and C812 for Channel 1 The trans formers are protected against catastrophic failure by fuses...

Page 29: ...Page 30 Macro Tech 5002VZ Power Amplifier Reference Manual Fig 5 5 Circuit Block Diagram...

Page 30: ...ection mechanisms that affect the signal path are implemented to protect the amplifier under real world conditions These conditions are high instanta neous current excessive temperature and operation...

Page 31: ...produces twice as much voltage across the load Each of the channel s protection mechanisms work independently and both IOC indicators are operational 5 3 3 Parallel Mono Operation With the stereo mono...

Page 32: ...5 from rated power to 35 dB below rated power at 8 ohms Damping Factor Greater than 1 000 from 10 Hz to 400 Hz see Figure 6 4 Controlled Slew Rate Slew rates are limited to useful levels for ultrasoni...

Page 33: ...alanced two channel Bridge Mono Balanced single channel Channel 1 controls are active Channel 2 controls are removed from operation Parallel Mono Unbalanced single channel Chan nel 1 controls are acti...

Page 34: ...ree years Further because our published specs are set below our in house measurements you can expect every Crown amplifier to exceed its pub lished minimum power specs We believe you should get what y...

Page 35: ...tion The aver age power during the burst is reported Loud speakers must be able to withstand this level if they are to be safely used with this amplifier 2 A 40 millisecond sine wave burst 10 percent...

Page 36: ...Page 37 Macro Tech 5002VZ Power Amplifier Reference Manual Fig 6 3 Typical Frequency Response Fig 6 4 Typical Damping Factor Fig 6 5 Typical Output Impedance...

Page 37: ...Power Amplifier Reference Manual 100 1 K 10 K 20 K FREQUENCY Hz dB TEF TEF 45 0 45 100 1 K 10 K 20 K FREQUENCY Hz Fig 6 7 Typical Crosstalk Fig 6 6 Typical Phase Response 84 90 66 60 72 78 96 TEF Mea...

Page 38: ...0 9 7 5 4 34 3 27 6 21 0 14 4 7 7 42 6 34 3 26 0 17 7 9 4 Duty Cycle AC Mains Power Draw Watts btu hr Current Draw Amps 10 3 8 3 6 4 4 4 2 5 15 6 12 6 9 5 6 5 3 4 19 4 15 6 11 8 8 0 4 3 4 Ohm Stereo 8...

Page 39: ...IQ2interfaceandacomputer for initial setup IQ P I P SMT SmartAmp offersimpressivenewfeatures unavailable elsewhere The processing speed is substan tiallyenhancedoverotherdesigns Aprogrammablepower sup...

Page 40: ...ensen 32 step precision attenuator to each channel P I P BEQC adds many features of the Bose Controllers to the input of your amplifier Each channel includes a cus tom equalization network for Bose lo...

Page 41: ...r for microphones this mic line input may be re motely switched from mic to line priorities P I P RPA Aphantom powermixerthathasfourbalanced mic or line inputs with voiceover capability and adjustable...

Page 42: ...ory For warranty service we will pay for ground shipping both ways in the United States Contact Crown Factory Service or Technical Support to obtain prepaid ship ping labels prior to sending the unit...

Page 43: ...________________ ______________________________________________________________________________ ______________________________________________________________________________ _________________________...

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