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1. P 32 27 c LIT 4180 C Fil 26 5 Sil E 135 26 E N E 425 5 90 25 24 5 45 E dBr 424 deg 0 423 5 E 423 45 F 22 5 90 F 22 B 21 5 E 135 F 21 E E 10 20 50 100 200 500 tk 2k Sk 10k 20k 50k 100k 180 Hz 10 20 50 100 200 500 k 2k 5k 10k 20k 50k 100k Hz Figure 8 1 Figure 8 3 Gain vs frequency Phase vs frequency Measurements of a typical performance Measurements of a typical performance 10E I E 20 E 30 E dB E lu Ji 90 E 90 100 E 3i LT E LAT 110 100 Bi 120 E 110 20 50 100 200 500 1k 2k 5k 10k 20 50 100 200 500 1k 2k Hz Hz Figure 8 2 Figure 8 4 Channel separation vs frequency THD N vs frequency BW 22 kHz 3 dB below clip 8 Ohms Measurements of a typical performance Measurements of a typical performance USER MANUAL VORTEX 3 QUADRO 300m 200m 100m 50m 20m 10m 5m 2m 2 0 50 100 200 500
2. USER MANUAL VORTEX 3 QUADRO P 11 c P 12 CAMCO 3 4 Cooling Under normal operation of the power amp overheating should never be a problem The air is taken in from the front and out through the back it is of course essential that while the power amp is running air is able to circulate around it freely The temperature of the cooling air will depend on the immediate environment e g an enclosed rack direct sunlight and on whether the front filter is clogged If the amp is installed in a case the open area at the back of the case must be at least 140 cm This area should be in line with the amp If this can not be achived a forced ventilation system has to be used 3 5 Ground Lift The input signal ground pin 1 for all 4 XLRs is tied to the ground potential in the mains supply Opening the ground lift switch causes this connection to be broken This allows ground loops that sometimes occur in practice to be elimi nated The ground potential of the power amp and therefore of the loudspeaker outputs is independent of the switch setting and remains at the ground poten tial of the mains supply E INPUT GROUND LIFT IL a7 toPin 1 ofthe XLRs USER MANUAL VORTEX 3 QUADRO VORTEX SERIES Removing or taping the mains connector ground is illegal and dangerous DO NOT REMOVE MAINS CONNECTOR GROUND ITIS ILLEGAL AND DANGEROUS 3 6 Mode Indicators
3. INFORMATION FOR USE FOR VORTEX 3 QUADRO V3QUM_GB_2004 2005 R1_01 2005 Copyright 2005 by CAMCO Produktions und Vertriebs GmbH f r Beschallungs und Beleuchtungsanlagen Fischpicke 5 D 57482 Wenden Germany Telephone 49 0 27 62 4 08 0 Ps lt L VORTEX SERIES USER MANUAL P 1 VORTEX 3 QUADRO c P 2 CAMCO IMPORTANT SAFETY INSTRUCTIONS 1 Read the information for use user manual 2 Please keep this user manual in a safe place during the lifetime of the ampli fier The user manual forms an integral part of the amplifier Reselling of the amplifier is only possible if the user manual is available Any changes made to the amplifier have to be documentated in writing and passed on to the buyer in the event of resale 3 Heed all warnings 4 Follow all instructions 5 Do not use this amplifier near water for example in damp rooms or near a swimming pool Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the user manual 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat 9 Protect the power cord from being walked on pinched or damaged in any other way Pay particular attention to plugs and the point where they exit from the amplifier USER MANUAL VORTEX 3 QUADRO VORTEX SERIES 10 The amplifier may only be used in accordance with the information p
4. 100 E Nor nt E EIL WA 120 100u 200u 500u Im 2m 5m 10m 20m 50m 100m 200m 500m 1 Vrms Figure 8 9 2 CCIF difference frequency method 10 5 kHz und 11 5 kHz 8 Q 20 vs input level Measurements of a typical performance 30 40 50 A dB 60 70 80 90 100 100u 200u 500u Im 2m 5m 10m 20m 50m 100m 200m 500m 1 USER MANUAL VORTEX 3 QUADRO Vrms Figure 8 10 SMPTE Intermodulation distortion 60 Hz und 7 kHz 8 Q vs input level Measurements of a typical performance Channel A Channel B Channel C Channel D VORTEX SERIES 750 Watt 500 Distortion limited output power 0 1 TA Peak power Peak power 04 Distortion limited output power 0 1 96 THD Impedance Ohms 1 Figure 8 11 VORTEX 3 Quadro Measurements of a typical performance USER MANUAL VORTEX 3 QUADRO P 35 c P 36 CAMCO 9 1 Summary Of Warranty CAMCO guarantees the VORTEX amplifier to be free from defective material and or workmanship for a period of three years from the date of sale Provided that the amplifier is returned to your dealer distributor in a factory pack with
5. Damping Factor 8 Q load 1 kHz and below Dimensions WxHxD Net Weight Shipping Dimensions WxHxD Shipping Weight 20 Hz 20 kHz 0 15 dB 8 Q load 1 dB below rated power 40 kQ balanced selectable 26 dB 32 dB or 1 4 V input sensitivity inrush current limitation temperature monitoring of transformers and heat sinks output DC protection power transistor SOA protection output over current protection under impedance limiter intelligent mains fuses protection switchable clip and speaker protect limiter 2 temperature dependent speed controlled axial fans input ground lift switch on back panel LEDs for On Signal Clip indicating additionally Output Current and faults for example like DC and High Temp 3 pin XLR male and female per channel pin 2 inphase one 4 pole SPEAKON connector for each output channel bi amping possible Stereo Mono Bridge and Parallel Mono Extended User Interface E U l modules for any kind of EQ 0 01 96 0 01 96 400 483 x 88 9 x 420 mm 197 2U 124 kg 600 x 205 x 600 mm 0 074 m3 15 kg We reserve the right to make technical alterations without prior notice USER MANUAL VORTEX 3 QUADRO P 31 VORTEX SERIES
6. xxxxx MADE IN GERMANY CAMCO PRODUKTIONS UND VERTRIEBS GMBH Exemplary a rating plate of VORTEX 3 QUADRO Power Supply Data Power Voltage Mains Frequency Current 9 3 y Consumption VORTEX 3 QUADRO 100 V VORTEX 3 QUADRO 120 V 50 60 Hz 24A 1800 W VORTEX 3 QUADRO 220V 60 Hz 78A 1070W NOTE Even under normal conditions the mains current can reach levels up to 60 A 230 V and 120 A 120 V respectively this could cause lamps to flicker if connected to the same mains as the amp The impedance of the AC circuit should be less than 0 157 Ohms to avoid flicker according to EN61000 3 11 Electromagnetic compatibility section 3 11 limits limitation of voltage changes voltage fluctuations and flicker in the public LV supply equipment and appliances consuming more than 75 A current are subject to special conditions for connection installation If in any doublt consult your local power provider Never attempt to measure this impedance level with your ohmmeter This may damage your meter and expose you to the risk of electric shock CAMCO 4 2 Controls 4 2 1 Volume Control Two microprocessor controlled DCAs Digital Controlled Attenuator with a control resolution of 12 bits per channel is integrated into the signal path This means that the signal is not subject to an A D followed by a D A conversion with associated losses Each channel is governed by a linear potentiometer with 41 notched setting
7. Permanently lit LED sequence Power Fail i e switch off Short 50 ms flash 950 ms pause High Temperature signal attenuation 750 ms flash 250 ms pause Over Temperature main SMPS off 250 ms flash 750 ms pause Failure DC reason unknown 250 ms flash 250 ms pause unless Hi Temp Power Fail ke 3 flashing 0 5 s pause fad in driver stage IM NA 4 flashing 0 5 s pause aii stage defect IM 5 flashing 0 5 s pause a 6 flashing 0 5 s pause en MAMI 2 flashing 0 5 s pause Chi J LI LI Ch2 Ch3 I Ch4 Ch1 high temperature with signal attenua Ch2 normal operation Ch3 normal operation Ch4 normal operation Ch1 AAN nm Ch2 I LAIL N Ch3 U ji Ch4 N Ch1 DC output stage defect Ch2 main SMPS Ch3 main SMPS of Ch4 main SMPS ion USER MANUAL VORTEX 3 QUADRO P 27 c P 28 CAMCO 6 2 Problem No Sound Indication On LEDs not lit Clip LEDs not lit Check AC plug Confirm that AC outlet works by plugging in another device Indication On LEDs lit Signal LED not lit Make sure the signal source is operating and try another cable Check position of Volume Pots Indicat
8. 1k 2k 5k 10k 20k Hz Figure 8 5 Output Impedance vs frequency 1 Amp RMS injected current equivalent 11 mQ 2 1 uH Measurements of a typical performance 20 30 au ap 50 LER 60 dB 70 80 90 100 110 TIT pt 20 100u 200u 500u im 2m 5m 10m 20m Vrms Figure 8 6 THD N 1 kHz 4 Q load vs input voltage Measurements of a typical performance 50m 100m 200m 500m 1 2 5 800F E em SS aem ot aa aa aal 600 F v E 400 200 5 0 B 20 50 100 200 500 k 2k 5k 10k 20k Hz Figure 8 7 Damping factor into 8 Q vs frequency equation damping factor loaded impedance amplifier output impedance Measurements of a typical performance 40 50 VT 60 DA CH E 70E dBr 80 Se Sees ne a 90 100 F 110 F 120 2 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 8 8 CMRR Measurements of a typical performance USER MANUAL VORTEX 3 QUADRO P 33 o i1 P 34 20 E f 40 F 60 E dB E 80 E E E SH E iss
9. a copy of the proof of purchase i e sales receipt CAMCO will repair faulty products under this warranty when a defect occurs under normal installation and use This warranty provides that examination of the returned product must indicate in our judgment a manufacturing defect 9 2 Items Excluded From This Warranty CAMCO is not liable for any damage caused by shipping accidents misuse abuse operation with incorrect AC voltage operation with faulty associated equipment modification or alteration without prior factory approval service by an unauthorised service center and normal wear and tear Amplifiers on which the Serial Number has been removed or defaced are not eligible for warranty service 9 3 What CAMCO Will Do CAMCO orits appointed agent will rectify any defect regardless ofthe reason for failure except as excluded by repair replacement or refund as it sees fit USER MANUAL VORTEX 3 QUADRO VORTEX SERIES 9 4 How To Obtain Warranty Service You must notify your dealer distributor of your need for warranty service All components must be shipped in a factory pack 9 5 CAMCO s Product Improvement Dueto CAMCO s policy to continuous productimprovement specificationis liable to change without notice Please consult your dealer distributor or CAMCO direct for clarification if necessary CAMCO PLEASE ENCLOSE THIS COMPLETED FORM WITH THE AMPLIFIER DO NOT SEND SEPARATE
10. indicate high vol tages that are potentially life threating Wiring to these terminals requires installation by an instructed person or the use of ready made leads or cords Custom wiring should only be carried out by qualified personnel To prevent electric shock do not operate the amplifier with any of the conductor portion of the speaker wire exposed NOTE For reasons of safety and performance use only high quality fully insu lated speaker cables of stranded copper wire Use the largest wire size that is economically and physically practical and make sure the cables are no longer than necessary IMPORTANT When connecting speaker cabinets in parallel always use all the contacts in both SPEAKON connectors If not this may cause permanent damage to the connectors and considerably reduce performance USER MANUAL VORTEX 3 QUADRO gt P 15 CAMCO VORIEA 3 9 3 Four Channel Operation 3 9 4 Three Channel Operation Four fully independent amplifier channels give the opportunity of use in several Three Channel Operation is the choice for eg stereo systems with subwoofer or applications suc
11. internal relay The single load is connected either to the output of channel A C or to that of channel B D as if in stereo While the total output of the amplifier remains the same and the output voltage level is also the same as in stereo oper ation the minimum impedance that can be connected is reduced by half due to the fact that current capability is doubled Only Channel A C Input is active NOTE For Parallel Mono Operation to prevent damage of one SPEAKON connector and to reduce loss of power because of contact or cable re sistance it is highly recommended to wire speaker loads using SPEAKON connector with all contacts connected USER MANUAL P 1 3 VORTEX 3 QUADRO lt CAMCO 3 8 3 Mono Bridge One channel mono bridged operation r Input ch A C m Ghannel AC gt 1 j x The second channel processes the same input signal but with reversed phase The single load is connected between the two positive channel outputs 14 24 using a suitable connected SPEAKON connector While the total output of the amplifier remains the same both the available output voltage and the minimum impedance that can be connected are doubled as compared with stereo operation Only Channel A C Input is active turn the volume on Channel B D down to zero WARNING In Mono Bidge mode RMS output voltages are as high as 230 V Wiring to the speaker loads must conform to NEC Class 3 safety standards o
12. s instructions have been adhered to 4 Water And Moisture Do not use this amplifier near water for example in damp rooms or near a swimming pool 5 Cleaning Unplug this amplifier from the wall outlet before cleaning Do not use liquid or aerosol cleaners 6 Power cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon them or against them paying particular atten tion to cords and plugs and the point where they exit from the amplifier USER MANUAL VORTEX 3 QUADRO gt P 3 c P4 CAMCO 7 Lightning For added protection of this amplifier during lightning storms or when it is left unattended and unused for long periods of time unplug it from the wall outlet This will prevent damage to the amplifier due to lightning and power line surges Disconnection from the mains power supply can only be achieved by removing the plug from the mains socket and by external disconnecting all poles from the mains 8 Interference of external objects and or liquids with the appliance Never push objects of any kind into this amplifier through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the amplifier 9 Accessories Do not place this amplifier on an unstable cart stand tripod bracket or table The amplifier may fall causing serious injury and s
13. 3 1 On LEDs multifunctional 21 4 3 2 Signal LEDs 4 3 3 Clip LEDs multifunctional 4 4 Power Amp Protection Systems 4 4 1 Clip Limiter 4 4 2 Under Impedance Limiter 22 4 4 3 SOA Protection 4 4 4 Speaker Protect Limiter 4 4 5 DC Protection 4 4 6 DC Servo 4 4 7 Over Current Protection 4 4 8 Thermal Protection P23 4 5 Mains Protection 4 5 1 Inrush Current Limitation 4 5 2 Mains Over Voltage Detection 4 5 3 Mains Failure Detection 4 5 4 Fuse Protection 4 6 Main SMPS Protection 4 6 1 Over Current Protection 4 6 2 Thermal Protection 4 7 Fans 24 4 8 Filter Cleaning P 25 5 OPTIONS 5 1 CAl CAMCO Audio Interface 5 1 1 Wiring 5 1 2 CAl Address Settings P 26 5 1 3 CAl Status Indicator P 27 6 TROUBLESHOOTING 6 1 On LED Flashing Sequences 28 6 2 Problem No Sound 6 3 Problem No Sound or Sound Is Too Low 6 4 Problem No Channel Separation 6 5 Problem Distorted Sound P 29 6 6 Problem Hiss 6 7 Problem Squeals and Feedback P 30 7 SPECIFICATION P 32 8 MEASUREMENTS P 36 9 WARRANTY INFORMATION 9 1 Summary Of Warranty 9 2 Items Excluded From This Warranty 9 3 What CAMCO Will Do 9 4 How To Obtain Warranty Service 9 5 CAMCO s Product Improvement P 37 10 SERVICE INFORMATION 10 1 Owner s Information 10 2 Nature Of Problem 10 3 Expired Warranty 10 4 Shipping Address P 38 11 MAINTENANCE INFORMATION 12 DECOMISSIONING P 39 COMPANY INFORMATION 1 1 Welcome to CAMCO Established in 1983 CAMCO has gained worldwide experience with prof
14. GE WITHIN THE PRODUCT S ENCLOSURE THE EXCLAMATION MARK IS INTENDED TO ALERT THE USER TO IMPORTANT INSTRUCTIONS ALSO FOR MAINTENANCE IN THE LITERATURE ACCOMPANYING THE AMPLIFIER THE USER TO DANGEROUSLY HIGH VOLTAGE AT THE SPEAKON THE LIGHTNING FLASH WITH ARROW HEAD SYMBOL ALERTS CONNECTORS THAT COULD POTENTIALLY BE LIFE THREATENING CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS AMPLIFIER TO RAIN OR MOISTURE THE AMPLIFIER MAY ONLY BE CONNECTED TO A SOCKET WITH A CONNECTION TO GROUND REFER ALL SERVICING TO AUTHORISED PERSONNEL CAMCO 1 Read the information for use user manual When shipping the VORTEX amplifier always use the original shipping carton and packing materials For maximum protection repack the unit as it was origi nally packed at the factory 2 Environments Use this amplifier only in E1 E2 E3 or E4 environments according to EN55103 2 Electromagnetic compatibility Product family norm for audio video and audio visual installations as well as for studio and lighting control inastallations for professional applications Part 2 Immunity 3 Ventilation Slots and openings in the cabinet are provided for ventilation to ensure reliable operation of the amplifier and to protect it from overheating These openings must not be blocked or covered This amplifier should not be installed unless proper ventilation is provided or manufacturer
15. IP THE AMPLIFIER WITHOUT THE ORIGINAL PACKING MATERIALS When shipping the VORTEX amplifier always use the original shipping carton and packing materials For maximum protection repack the unit as it was origi nally packed at the factory USER MANUAL VORTEX 3 QUADRO P 7 lt P 8 CAMCO 1 3 The Amplifier The VORTEX 3 QUADRO is a Class H four channel power amplifier with a power output of 750 W per channel 4 Q load 1 5 kW in stereo 2 Q or 8 Q load These four channels are subdivided in two stereo amplifiers A B and C D which can be independently set to stereo Mono Bridge or Parallel Mono operation This feature guarantes the most flexibility of the VORTEX 3 QUADRO It is supplied by Switched Mode Power Supplies SMPS These SMPS s radically reduce the weight and size only 2U of the amplifier Using SMPS the 2 sym metrical supply voltages of the power amplifier are more stable than the power supplies used in conventional amplifiers The VORTEX also uses three microprocessors for controlling and monitoring the power amp Controlling a power amp designed for use in modern sound systems has four main advantages over more traditional power amp systems Reduced Distortion Improved Noise Characteristics Integrated Remote Control Indication of protection or failures by different LED sequences VORTEX SERIES The VORTEX has been designed as an intelligent and powerful product
16. LY 10 1 Owner s Information Company Name _ Contact _ Address Telephone _ Facsimile eMail Address Model _ Serial Number Purchase Date 10 3 Expired Warranty Ifthe warranty has expired payment will be Cash Cheque VISA MasterCard 10 4 Shipping Address To transport the amplifier the original packing materials must be used Please return the amplifier to the following address or your nearest CAMCO appointed distributor 10 2 Nature Of Problem Please describe the conditions that existed when the problem occured and what attempts were made to correct it _ Other equipment in your system _ Our web site www camcoaudio com provides a complete list of CAMCO dealers distributors CAMCO Produktions und Vertriebs GmbH f r Beschallungs und Beleuchtungsanlagen Fischpicke 5 D 57482 Wenden Germany USER MANUAL VORTEX 3 QUADRO gt P 37 CAMCO VOR TEES 11 Maintenance Information 12 Decomissioning Cleaning and servicing the inside of the aplifier must never carry out by unquali During the decomissioning process of the amplifier all legally prescribed rules fied personnel The amplifier must never be opened by unqualified personnel and procedures must be adhered to Cleaning and servicing work on the inside of the amplifier must only be carried out by qualified pers
17. On the front panel there are two pairs of yellow LEDs A B C D to indicate the modes that are set to the amplifiers A B and C D In stereo mode none of them will be lit In Parallel Mono the PM LED and in Mono Bridge the MB LED will be lit Y TEX 3 Example VORTEX 3 QUADRO in three channel operation A B is set to stereo no LED lit and C D to parallel mono mode PM lit CAMCO gt 3 7 Mode Selectors 3 8 1 Stereo Operation The switches AB MODE and CD MODE on the rear panel change the operating Two fully independent amplifier channels normal operating mode mode of the appropriate amplifier A B C D Moving one of these switches will lE shutdown the VORTEX 3 QUADRO and restart it in the new operating mode Input ch A C ShannelAic gt Ny 2280 ae ee E i B D 4 STEREO STEREO gt ln ch B D ze Z24Q 3 8 2 Parallel Mono Operation 3 8 Basic Concepts Parallel operation of the two channels together The VORTEX 3 QUADRO consists of two Stereo amplifiers A B and C D Both en an of them are capable to work independently in Stereo Mono Bridge or Parallel Inp t ch A C 25 Mono Following you will find a description about these modes for amplifier A B m Channel 5 j T in parenthesis the appropriate channels of amplifier C D 4 gt ch B D Lee rg 5 The output terminals of the two channels are configured in parallel using an
18. ant higher than the nominal value allowed by the fuse protection Continuous monitoring of the fuse protection status allows the conditions that would trigger the fuse protection to be predicted In order to avoid shut down of the amplifier due to current overload the amplitude of the input signals will be limited and by hard overloads the amp will be muted for the time The limitation of the input signal allows a 6 kW VORTEX power amplifier to be operated reliably from a mains power supply of 230V 16 A 120 V 30A CAMCO 4 6 Main SMPS Protections 4 6 1 Over Current Protection Main SMPS Switched Mode Power Supply transformer current of your VORTEX is continuously monitored If over current occurs the main SMPS immediately stops working Should there be an internal failure this feature prevents other parts being damaged 4 6 2 Thermal Protection The temperature of the main SMPS transformer of your VORTEX is permanently monitored If the temperature exceeds 85 C the microchip reduces the input signals of both channels If the temperature surpasses 100 C the main SMPS is switched off The On LEDs will start a blinking sequence corresponding to this malfunction See 6 Troubleshooting 4 7 Fans The fans mounted in your VORTEX operate permanently but as long as the temperature remains below 40 C they run at their slowest speed and can hardly be heard The highest detected temperature from either channel controls the speed o
19. dress you can use the scale markings of the potentio meters You will find the digits 0 1 9 on the 10 scale spacing The current selected address of amplifier A B will be immediately displayed but NOT automatically stored or activated After each turn of pot you have another 30 seconds to timeout You can leave this procedure without saving the new addresses by briefly pressing the Enter Switch or waiting for timeout as described above To store and activate the new addresses you have to press the Enter Switch for 3 seconds These new addresses are stored in an EEPROM which holds the information even if the amp is subsequently disconnected from mains Be sure to set the CAl Master PC to these new addresses If not the communication will be interrupted P 26 USER MANUAL VORTEX 3 QUADRO 6 1 On LED Flashing Sequences When switching on the amp the On LEDs flash twice accompanied by a flash of Clip LEDs This is normal for the Start sequence of the VORTEX When switching off the amp the On LEDs flash several times followed by a flash of Clip LEDs This is normal for the Shut Down sequence of the VORTEX It is the same as the loss of the mains voltage In the following table you will find the possible LED sequences of the On LEDs Examples of LED Sequences LED sequence Failure Operating Status LED Sequence flash __ off Description of repeated sequences Normal no failure
20. e switch initiates start up by activating the current limiting function As soon as the power amplifier is connected to the mains power supply a voltage is supplied to both the line filter and the fused input of the controllable rectifier Disconnecting the amplifier from the main power supply can only be achieved by physically separating the amplifier from the mains by pulling the mains plug The mains plug therfore has to be freely accessible Disconnect the mains plug from the mains during a lightning storm or when the amplifier remains unused or un supervised for a prolonged period of time Alternatively you can disconnect the amplifier via an external all pole disconnection from the mains If a power cut occurs while the amplifier is switched on it will restart auto matically once the power supply has been restored All settings operation prior to the loss of power will be maintained VORTEX 3 QUADRO Amplifier ist switched off Amplifier is switchen on On LEDs are lighting up 3 2 Precautions When mounting or connecting the amp always disconnect it from mains 3 3 Mounting Use four screws and washers when mounting the amplifier to the front rack rails For mobile use the amplifier should also be secured using the 19 mounting elements on the rear panel 88 1 mm B o 8 1 i i 1 1 g L 465 0 mm L 442 0 mm 411 0 mm 446 0 mm 437 0 mm
21. ected the microprocessor limits the signal to the power amp until a subsequent measure ment indicates that impedance has risen to a safe level Whenever the under USER MANUAL P 2 1 VORTEX 3 QUADRO c P 22 CAMCO impedance limiter is active the corresponding channel s On LED is turned off See 6 Troubleshooting 4 4 3 SOA Protection Whenever the power transistors leave their Safe Operation Area SOA the SOA protection in stereo mode switches back the current rail of the respective power stage In mono modes the rails of both channels of one amplifier are switched back 4 4 4 Speaker Protect Limiter Whenever the SOA protection of the power amp switches back the current rail there could be a small clipping at the output but the microprocessor is also triggered by this protection and will reduce the signal level immediately to minimise the effect The user can decide either to use Speaker Protect or not If you use this amp for low frequencies bass Sub bass and you want to squeeze the absolute maximum out of it Speaker Protect can be switched off For all other applications e g Full Range it s recommended to keep Speaker Protect switched on 4 4 5 DC Protection Each output of the power amp is constantly monitored for persistent DC voltage levels If the 3 V thresholds are exceeded at any of the outputs main SMPS will shut down and the channel at that output will be automatically disconnected The microp
22. erious damage to the product Any mounting of the amplifier should follow the manufacturers instructions and should use a mounting accessory recommended by the manufacturer 10 Connecting When you connect the amplifier to other equipment turn off the power and unplug all of the equipment from the supply source Failure to do so may cause an electric shock and serious personal injury Read the user manual of the other equipment carefully and follow the instructions when making the connections 11 Sound Volume Reduce the volume to minimum before you turn on the amplifier to prevent sudden high levels of noise decibel which may cause hearing or speaker damage See also 4 2 1 Volume control USER MANUAL VORTEX 3 QUADRO VORTEX SERIES 12 Damages that require service Unplug this amplifier from the mains supply and refer to your dealer distributor or other authorised repair workshop if any of the following situations occur if liquid has been spilled or objects have fallen into the amplifier if the amplifier does not operate normally as described in the user manual Operate the controls only as described in the user manual if the amplifier has been dropped or damaged in any other way when the amplifier exhibits a distinct change from its normal function or performance 13 Servicing Do not attempt to service this amplifier yourself As opening or removing covers may expose you to dangerous voltage or other hazards the amplifie
23. essional sound reinforcement technology Within the audio market CAMCO specialises in the production and marketing of high quality power amplifiers and sound systems for use both on tour and in static installations The success of the LA DL and DX series power amps has made the CAMCO name synonymous with professional quality high performance and utterly reliable power amps CAMCO s commitment to research and development seen not just in the area of materials and technology but also most importantly in its highly skilled and motivated workforce is one of the keys to its ongoing success With its all new VORTEX power amp series CAMCO is pioneering a new dimen sion in professional power amp construction The seamless combination of groundbreaking technology with secure and proven elements is the hallmark of the new series Welcome to the new world of professional power amplifiers WELCOME TO CAMCO 1 2 Unpacking Please unpack and inspect your new amplifier for any damage that may have occurred during transit If damage is found notify the transportation company immediately Only you the consignee may initiate a claim for shipping damage CAMCO will be happy to cooperate fully as needed Please save the shipping carton as evidence of damage for the shipper s inspection Even if the amplifier has arrived in perfect condition save all packing materials so you will have them if you ever need to transport the unit NEVER SH
24. f the fans Above 40 C the speed is increased until it reaches its maximum value USER MANUAL VORTEX 3 QUADRO gt P 23 CAMCO VORIEA 4 8 Filter Cleaning For changing the filter no tools are required first gently slide the whole plastic The air intake on the front of your VORTEX is fitted with a removable filter filter assembly a few millimetres to the left and lift it from the front panel Next system If the filter becomes clogged the unit will not cool as efficiently as it beginning on one of the long sides carefully unclip the moulded surround 4 should and may result in reduced output levels from the cradle 2 and then carefully pull the CAMCO badge 5 out of the four fastening holes with both hands Remove the foam filter 3 and clean it with a mild dishwashing detergent and warm water Once dry replace the foam filter carefully into the cradle and repeat the dismantling procedure in reverse Insert the five pins on the filter frame into the clip apertures 1 and slide the filter carefully to the right to secure Spare filter assembly s may be ordered from your dealer distributor VORTEX Filter Assembly 1 Clip Apertures 2 Injection Moulded Cradle 3 Foam Filter 4 Injection Moulded Surround 5 Injection Moulded CAMCO Badge P 24 USER MANUAL VORTEX 3 QUADRO 5 1 CAl CAMCO Audio Interface CAI is a bus system in which all significant device functions can be monitored externally and remotely c
25. for performing specialised tasks within a complex audio system Users can adapt the power amp to meet their specific audio requirements before use Controls mounted on the front and the rear of the VORTEX allow access to the functionality Since some of the externally mounted controls have multiple functions it is important that users should familiarise themselves with the entire range of con trols and programmable features before using the power amp If you have questions about features of the VORTEX power amp that are not covered by the basic descriptions in this manual CAMCO would be pleased to offer you further information Alternatively contact your dealer distributor C2 USER MANUAL VORTEX 3 QUADRO VORTEX 3 QUADRO The Front 1 On LEDs multifunctional 2 Signal LEDs 3 Clip LEDs multifunctional 4Volume Control Channel A 5 Volume Control Channel B 6 Volume Control Channel C 7 Volume Control Channel D 15 13 14 8 On Off Switch 9 Enter Switch behind Front Panel 10 CAl Status Indicator 11 Operating Mode Indicators ch A B 12 Operating Mode Indicators ch C D 13 Removable Air Filter System 14 Cooling Air Inlet Vents o VORTEX 3 QUADRO The Rear 15 CAMCO Audio Interface CAI 16 Cooling Air Outlet Vents 17 Gain Selector ch C D 18 Mode Selector ch C D 19 Input Ground Lift Switch 20 Limiter Switch ch A B C D 21 Ga
26. h as multi channel monitor systems four channel reproduction compact amplification in active 3 way systems compact amplification in active 2 or 4 way systems With its capability to be set to Mono Bridge or Parallel Mono the VORTEX 3 QUADRO gives the possibility to be adapted to the impedance of your sub woofer W BRIDGE PARALLEL sung L asaue 3 9 4 1 Stereo Parallel Mono With one amplifier set to Parallel Mono the VORTEX 3 QUADRO is capable to drive a two ohms load VORTEX 3 QUADRO wy chA gt j 240 Y Bu B sc I L araue ander Hu L peu ae AN gt 40 4 Y VORTEX 3 QUADRO ch C gt Wyn i 240 L chA gt y N 240 an hD D MW sso chB gt D D 240 i e gt A AN chD Av Vv 520 v P 1 6 USER MANUAL VORTEX 3 QUADRO 3 9 4 2 Stereo Mono Bridge If you have a high impedance load you can set the appropriate amplifier to Bridge Mono operation W Pep PARALLEL VORTEX 3 QUADRO gt wm VEN EMT 3 9 5 Two Channel Operation With amplifiers A B and C D set to mono modes you will nearly have a normal stereo amplifier with the exception that you are able to choose either to drive minimum loads of 2 Ohms or 8 Ohms 3 9 5 1 Parallel Mono Parallel Mono To drive two 2 Ohms load
27. in Selector ch A B 22 Mode Selector ch A B 17 18 19 23 AC Power Cable 24 SPEAKON Outlet ch C D 25 SPEAKON Outlet ch A B 26 XLR Line Input ch D 27 XLR Line Input ch C 28 XLR Line Input ch B 29 XLR Line Input ch A 30 Rating Plate CAMCO PRODUKTIONS TRIEBS GMBH FISCHPICKE 5 D 57482 WENDEN MANY zo LT ii Dm DT 9 Q ate CHANNEL a vonrex 3Jouanno CE O USER MANUAL VORTEX 3 QUADRO P 9 VORTEX SERIES 2 3 Factory settings VORTEX 3 QUADRO amplifiers are delivered with the following factory settings C2 55 1355 W 25 VORTEX 3 so TTL niin mn mm QUADRO mmm STEREO spp STEREO BS GREEN E EE Dod D ad 000 mme mmm wu NEED HD m jS OUTPUT PWR PER CH IMP EXZUCXGEWD m amm s D 3 SER NO MADE IN GERMANY C FRATRES CAMCO PRODUKTIONS UND VERTRIEBS GMBH C2 Front panel Rear panel Power switch Off Amplifier is switched off Mode Channel C D Stereo Limiter SpP Mode Channel A B Stereo Gain Channel C D 26 dB Input Ground Lift Grounded Gain Channel A B 26 dB P 1 0 USER MANUAL VORTEX 3 QUADRO 3 1 On Off Switch NOTE This switch does NOT disconnect the amplifier from mains Th
28. ion On LEDs lit Signal LEDs responding to signal level Check the speaker wiring for breaks Try another speaker and cable Indication On LED s sequence The amplifier is in protective muting Refer to On LED flashing sequences table to find out the cause for the mute Overheating will cause protective muting Check for proper ventilation If the fans aren t running the amplifier requires servicing 6 3 Problem No Sound or Sound Is Too Low Indication On LED not or sporadically lit Signal LED not lit Clip LED lit Under Impedance Limiter is active The load impedance is abnormally low or shorted Unplug each speaker one by one If the On LED indicates normally when you disconnect a cable that cable or speaker is shorted Take care not to use too many speakers in parallel which would result in an impedance that is too low for normal operation USER MANUAL VORTEX 3 QUADRO VORTEX SERIES Indication On LED s sequence Please refer to the On LED flashing sequences table to find out which protection is active High temperature will cause an attenuation of output level DC will cause the amp to mute or shut down Switch off the VORTEX and unplug the source from the amps input to prevent DC entering the amp via the signal source Then switch on the VORTEX If the On LED shows the same sequence the amp will need to be serviced by a qualified technician All other On LED sequences that shut down or mute the VORTEX indicate a serio
29. lity without degrading sound quality when driving complex loads 4 4 8 Thermal Protection The microprocessor uses several sensors in the amp in order to ascertain tem perature data If the microprocessor detects a temperature of more than 85 C at the heat sinks the input signal on that channel is reduced If the temperature exceeds 100 C the main SMPS is switched off The On LED of the overheated channel will start a blinking sequence See 6 Troubleshooting 4 5 Mains Protections 4 5 1 Inrush Current Limitation Within 2 seconds of the VORTEX being switched on the inrush current limiter will increase mains current from nearly zero to nominal value This value depends on program material output level and speaker loads 4 5 2 Mains Over Voltage Detection Mains over voltage detection is always operative When the mains voltage exceeds approx 267 V 230 V operation or 134 V 120 V operation the amplifier will be switched off The system will try to start in intervalls and will return with a soft start when the regular mains voltage returns 4 5 3 Mains Failure Detection Mains failure detection is always operative When the mains supply is inter rupted for about 2 mains cycles the amplifier will be switched off When the mains voltage returns to a normal value a soft start occurs 4 5 4 Fuse Protection The average mains current can peak temporarily depending on the load impedance and type of signal at values signific
30. miter and 4 4 4 Speaker Protect Limiter Right position B ios Clip Limiter O orp ip Limiter On Speaker Protect On ABCD Middle position Clip Limiter Off on a ip Limiter oer Speaker Protect On ABCD Left position orp I IT Leon Clip Limiter Off cd Speaker Protect Off USER MANUAL VORTEX 3 QUADRO VORTEX SERIES 4 3 Indicators 4 3 1 On LEDs multifunctional Under normal operation after the amp has started the green power LEDs are permanently lit A variety of different sequences of flashing LEDs are used to indicate other operating states and errors in one of the channels of the power amp See 6 7 On LED Flashing Sequences 3 00 ON SIGNAL CLP V TEX 3 UAD 3 o OO ON SIGNAL CLIP 300 ON SIGNAL CUP ON SIGNAL CUP POWER CAMCO 2 4 3 2 Signal LEDs The intensity of the green light is defined by the current passing through The green signal LED is illuminated when the voltage level at the output reaches the output stage of each channel lowest brightness is proportional to approx 4 V this corresponds to a power of approx 4 W at an impedance of approximately 1 A the maximum brightness reflects the maximum output 4 Ohms current The red colour indicates the amount of signal clipping in each respective channel If the green LED current indicator and red LED clipping 3 oxo indicator light up simultaneously the Clip LED i
31. on environments presupposed in the information for use user manual are to be kept accordingly Please Note The following formulations have been chosen VORTEX 3 QUADRO for the type plate and for the EC declaration of conformity VORTEX 3 QUADRO for the front face of the appliance and for the text in the user manual Wenden 09 12 2004 Joachim St cker USER MANUAL VORTEX 3 QUADRO gt P 5 CAMCO VOR TEES P 2 IMPORTANT SAFETEY INSTRUCTIONS P 3 EXPLANATION OF SYMBOLS SAFETY P 5 EC DECLARATION OF CONFORMITY P 6 CONTENTS P 7 1 WELCOME 1 1 Welcome to CAMCO 1 2 Unpacking P8 1 3 The Amplifier 9 2 FACILITIES 2 1 VORTEX 3 QUADRO The Front 2 2 VORTEX 3 QUADRO The Rear P 10 2 3 Factory settings P 11 3 INSTALLATION 3 1 On Off Switch 32 Precautions 3 3 Mounting P12 3 4 Cooling 3 5 Ground Lift 3 6 Mode Indicators P13 3 7 Mode Selector 3 8 Basic Concepts 3 8 1 Stereo 3 8 2 Parallel Mono P 14 3 8 3 Mono Bridge 3 9Wiring 3 9 1 XLR Connection P 15 3 9 2 SPEAKON Connection P 16 3 9 3 Four Channel Operation 3 9 4 Three Channel Operation 3 9 4 1 Stereo Parallel Mono P 17 3 9 4 2 Stereo Mono Bridge 3 9 5 Two Channel Operation P 6 USER MANUAL VORTEX 3 QUADRO 3 9 5 1 Parallel Mono Parallel Mono P 18 3 9 5 2 Mono Bridge Mono Bridge 3 9 5 3 Parallel Mono Mono Bridge P 19 4 OPERATION 4 1 Precautions 4 2 Controls 4 2 1 Volume Control P 20 4 2 2 Gain Selector 4 2 3 Limiter Switch 4 3 Indicators 4
32. onnel Qualified personnel is defined as a person who has gained specialised relevant knowledge of electronic engineering through education training and experi ence and who has sufficient knowledge of all relevant governmental work safety regulations to be in a position to judge the safe functioning of power amplifiers based on technical rules according to IEC 60065 IEC 60065 Din EN 60065 Safety Requirements for Audio Video or simlar Elec tronic Appliances In order to guarantee the safe functioning of the amplifier it has to be checked regularly depending on its application but at least once a year by a properly qualified person Advice on how to carry out these checks can be found in DIN VDE 0702 1 Safety Checks for Electronic Appliances An amplifier that is considered to be unsafe must be labelled accordingly and stored ina safe place to prevent this amplifier being used mistakenly P 38 USER MANUAL VORTEX 3 QUADRO CAMCO gt Mailing Address CAMCO Produktions und Vertriebs GmbH fiir Beschallungs und Beleuchtungsanlagen Fischpicke 5 D 57482 Wenden Germany Telephone 49 0 27 62 4 08 0 Facsimile 49 0 27 62 4 08 10 Internet www camcoaudio com Email postmaster camco de USER MANUAL P 3 9 VORTEX 3 QUADRO VORTEX SERIES CAMCO www camcoaudio com
33. ontrolled using a master PC Up to 99 devices can be controlled in parallel in each phase of the bus system which simply consists of a two core insulated cable The master can serve several phases for larger appli cations For more information please contact your dealer or distributor CAI allows To control the output level of each Channel independently exception mono modes only Channel A C is affected To mute each channel independently exception mono modes only Channel A C is affected To switch the VORTEX into STANDBY and back again To monitor temperature output signal clip output current 5 1 1 Wiring To connect the VORTEX to your CAI system use a fully wired telephone type cable with RJ12 connectors For longer distances use high grade cable like for RS485 DMX512 for AES EBU digital audio You can chain several VORTEX amplifiers using the second CAI connector on each amplifier A linear network topology is recommended with 100 Ohm termination at its end Please refer to RS485 specifications 5 1 2 CAI Address Settings The VORTEX 3 QUADRO uses two addresses to communicate with the master PC You only select the address for amplifier A B the address of amplifier C D is automatically set to address for amplifier A B plus one The CAI address selection procedure will not affect the operation of the VORTEX but whilst this procedure is active the volume cannot be adjusted by using the pots NOTE Ensure you return both po
34. r cables Working in succession from the signal source towards the amplifier and check each device in the signal path by reducing its gain or by unplugging it USER MANUAL VORTEX 3 QUADRO P 29 CAMCO VORIEA VORTEX 3 Quadro Output Power 2x 1500W 8Q 1 kHz THD lt 0 1 in mono bridge mode 2x900W 16Q 1 kHz THD lt 0 1 in parallel mono mode 2x 1500W 2Q 2x900W 4Q 1 kHz THD lt 1 90 all channels driven 4x750W 4Q Duration limited by fuse thermal protection for RL lt 8 Q in stereo mode or RL lt 16 Q in mono bridge mode 4x450W 80 Measurement at 2 Q without preconditioning EN 60268 3 Circuitry Bipolar Class H 2 step high efficiency circuit Signal to Noise Ratio 20 Hz 20 kHz 8 Q load unweighted gt 103 dB A weighted gt 106 dB Power Consumption 230 V Typical Max all channels driven lde 14A 67W Multiply currents by 2 for 120 V 160 39A 101A 385W 1490W 80 56A 171 A 638W 2650W 4Q 78A 28 1 A 1070W 4440W 9 1 8 of max Output Power with pink noise to represent typical music signal 2 max rated Output Power see above P 3 0 USER MANUAL VORTEX 3 QUADRO Frequency Response Input Impedance Voltage Gain Protection Circuits Limiter Fan Ground Lift Indicators Input Connectors Output Connectors Modes of Operation Options THD N typical 20 Hz 10 kHz 8 Q load 3 dB below rated power SMPTE typical 20 Hz 20 kHz 8 Q load 3 dB below rated power
35. r its equivalent that meets all national and local electric codes All customer specific cables may only be manufactured by qualified suppliers personnel All cabeling or rewiring work must be carried out by qualified personnel USER MANUAL VORTEX 3 QUADRO VORTEX SERIES 3 9 Wiring 3 9 1 XLR Connection XLR Pin 1 Ground or lifted via 15 Ohm resistor Pin 2 Hot Pin 3 Cold Always use symmetrical balanced shielded cable to connect the amplifier Input Input Ground Lift in position Ground grounded Lift je z To Ch D To Ch C To Ch B ToCh A input stage input stage input stage input stage A A A A A 4 L FE ON ly N 7 Input Input Input Input Channel D Channel C Channel B Channel A 3 9 2 SPEAKON Connection The SPEAKON connectors are connected as shown below Right SPEAKON view from the rear Left SPEAKON view from the rear Pin 1 Pin 1 Pin2 Pin 2 Pin 1 Pin 1 Pin 2 Pin 2 Channel A speaker signal Channel A speaker ground Channel B speaker signal Channel B speaker ground Channel C speaker signal Channel C speaker ground Channel D speaker signal Channel D speaker ground Right SPEAKON Input ChannelA I Eo 2 Input of Channel B Left SPEAKON Input Channel C I lt l i NS Input 2 Channel D CAMCO WARNING SPEAKON connectors marked with the lightning flashes
36. r may only be opened by qualified personnel Please refer to your dealer distributor 14 Servicing and Replacement Parts All service and repair work must be carried out by a CAMCO authorised dealer When replacement parts are required please ensure that the dealer distributor only uses replacement parts specified by the manufacturer The use of un authorized replacement parts may result in injury and or damage through fire or electric shock or other electricity related hazards 15 Safety Check Upon completion of any service or repairs to this product ask the dealer distributor to perform safety checks to determine that the amplifier is in proper operating condition Recommendations on how to carry out the safety test can be found in DIN VDE 0701 1 Maintenance Modification and Test of Electronic Appliances CAMCO EC Declaration of Conformity in accordance to EC Directives electro magnetic compatibility Council Directive 89 336 EEC as amended by Directives 92 31 EEC and 93 68 EEC low voltage electrical equipment Council Directive 73 23 EEC Manufacturers Name CAMCO Produktions und Vertriebs GmbH fiir Beschallungs und Beleuchtungsanlagen Manufacturers Address Fischpicke 5 D 57482 Wenden Germany Declares that the product with the model name CAMCO Power amplifier VORTEX 3 QUADRO Conforms to the following standards EN60065 Security EN55103 1 Emission EN55103 2 Immunity The operating conditions and applicati
37. rocessor performs a sophisticated strategy to locate the cause of DC If short term DC is detected the amplifier will recover and continue to operate DC can be located in the output stage driver stage or at the input of the amplifier Output Stage When a DC voltage is located at an output stage the main SMPS remains switched off The On LEDs will show a flash sequence corresponding to this malfunction See 6 Troubleshooting USER MANUAL VORTEX 3 QUADRO VORTEX SERIES Driver Stage When a DC voltage is located at the driver stage only the defective channel s output stage and the DCA are muted The other channel continues to work The On LED of the defective channel will indicate the malfunction by starting the relevant flash sequence See 6 Troubleshooting Amplifier Input When DC is located at the input stage only the DCA of the affected channel is muted The other channels continue to operate normally If the DC signal at the input vanishes the microprocessor will de mute the affected channel and the amplifier will work as usual again 4 4 6 DC Servo To prevent DC Offset at the speaker output the VORTEX is fitted with two DC Servos per channel Hence there are no capacitors in the signal path 4 4 7 Over Current Protection Over current is permanently controlled in the output stage There are two limi ting levels of over current depending on output voltage These limits will be set automatically This improves reliabi
38. rovided in the user manual Before and during the usage of the amplifier please ensure that all recommendations especially the safety recommendations as detailed in the user manual are adhered to The VORTEX Amplifier is designed for the amplification of pulsed audio signals and the amplifier should only be connected to speakers with an average impedance that is not lower than the impedances specified in points 3 8 3 3 8 4 and 3 8 5 11 Do not place this amplifier on an unstable cart stand tripod bracket or table The device may fall causing serious injury and serious damage to the device itself 12 The amplifier can only be disconnected from the power supply by removing the plug which must be freely accessible at all times Unplug this amplifier during lightning storms or when unused for long periods of time 13 Refer all servicing to qualified service personnel Servicing is required when the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the amplifier the amplifier has been exposed to rain or moisture the amplifier has been dropped or suffered damage in any other way the amplifier exhibits a distinct change from its normal function or performance RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION HIGH VOLTAGE HAZARDS CAUTION EXIST WITHIN THIS PRODUCT THE LIGHTNING FLASH WITH ARROW HEAD SYMBOL IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED DANGEROUS VOLTA
39. s These settings have been selected to correspond to human hearing characteristics logarithmically and therefore guarantee an optimal range of settings for practical applications Each channel can be set individually except when operating in mono mode whereby only ChA C is active Using an intelligent DCA control Digital Controlled Attenuator instead of the conventional VCA results in considerably reduced distortion as well as improved noise characteristics Setthe volume to zero before turning on the amplifier to prevent the occurrence of sudden high volume levels which may cause damage to your hearing and or the speakers The volume pots are also used to set the CAl address See 5 2 2 CAI Address Settings USER MANUAL VORTEX 3 QUADRO gt P 19 c P 20 CAMCO 4 2 2 Gain Selector Two switches on the rear of the VORTEX allows the maximum amplification attainable to be set directly in the input stage of each amplifier A B C D ae W jo E zh sa TD av al VLL av i 3248 The VORTEX amplifier has a 26 dB and 32 dB voltage gain setting along with a 1 4 V sensitivity setting Model 26 dB 32 dB 1 4V VORTEX 3 QUADRO 4 750W 2 75 1 38 80 450W 3 01 1 51 32 64 4 2 3 Limiter Switch This switch is located at the rear of the VORTEX It allows you to set the mode of the limiter This limiter affects both channels in both amplifiers There are three modes See 4 4 1 Clip Li
40. s just set the mode selectors to Parallel Mono operation MODE BRIDGE STEREO E MODE enocc T LL risen stereo MONO VORTEX 3 QUADRO An chB gt ch A gt R chc gt chD gt USER MANUAL VORTEX 3 QUADRO CAMCO 2 P 17 VORTEX SERIES 3 9 5 2 Mono Bridge Mono Bridge 3 9 5 3 Parallel Mono Mono Bridge With its mode selectors set to Mono Bridge the VORTEX 3 QUADRO is able to It is also possible to set one amplifier to Parallel Mono and the other to Mono control high impedances Bridge operation Lam E ios ERA 8 uos scc MT Los m mn rn ence I ta Vortex 3 Quadro Vortex 3 Quadro aa poh e p Bs J VN 4 ae gt ao gt Nu P 1 8 USER MANUAL VORTEX 3 QUADRO 4 1 Precautions Only connect the VORTEX amplifier to an appropriate AC circuit and outlet according to the requirements indicated in the second row on the rating plate MODEL VORTEX 3 QUADRO 750W 40hm Mm
41. s yellow V UADRO ON SIGNAL CUP OXko ON SIGNAL cup If the amplifier is overdriven for prolonged periods the Clip LED will appear red to alert the user more effectively the green component of the LED is switched off Monitoring the output current and clip via the LEDs can aid the detection of OXtO seka CoP OXEO ON SIGNAL CLIP POWER incorrectly wired components and faults in the loudspeakers at an early stage See 6 Troubleshooting 4 4 Power Amp Protection Systems 4 4 1 Clip Limiter If the power amp is overdriven the clip detection circuit triggers the micro 4 3 3 Clip LEDs multifunctional processor The processor reduces input signal level by controlling the DCA The clip LEDs are bi coloured green red Each colour indicates a different status The strategy is implemented in software For sinusoidal input signals the microprocessor limits the input signal in such a way that non linear distortions of the signal never exceed 1 96 The clip limiter can work on each channel independently except in mono operation To disable the Clip Limiter see 4 2 3 Limiter Switch 4 4 2 Under Impedance Limiter Asa result of incorrectly connected or defective loads under impedance or even short circuits may be presented to the power amp channels ON SIGNAL CLP POWER In order to detect an under impedance the microprocessor calculates the result ant impedance If an impedance of less than 2 66 ohms channel is det
42. ts to their original position after address selection is complete otherwise the amplifier will change its volume level to the new pot positions Briefly press the ENTER Switch lt 4 This push button switch can be accessed through the 3 mm hole in the front panel located between the On Off switch and the LEDs CAI LED ENTER Switch Example of LED sequences for different address settings Adresses A B C D On LED Channel A gt Tens On LED Channel B gt Units 01 02 factory settings 0 flash 1 flash then short pause 25 26 2 flashes then short pause 5 flashes then short pause After briefly pressing the Enter Switch the actualaddress ofamplifier A B will be displayed by the On LEDs of ChAand ChB The address of amplifier C Dis notshown Flashing of On LED channel A indicates the tens Flashing of On LED channel B indicates the units of the address of amplifier A B USER MANUAL P 25 VORTEX 3 QUADRO VORTEX SERIES These sequences are repeated for 30 seconds timeout Then the On LEDs 5 1 3 CAI Status Indicator return to their normal function This green LED indicates the presence of communication between PC and the amp To change CAI addresses turn the appropriate volume potentiometer to the required address of amplifier A B Volume Pot Ch A gt Tens Volume Pot Ch B gt Units The address of amplifier C D is automatically set to address for amplifier A B plus one To adjust the ad
43. us internal fault At this point turn the VORTEX off remove AC power and have the amplifier serviced by a qualified technician 6 4 Problem No Channel Separation Check the mode indicators on the front panel and make sure the mode selector on the rear panel is in the stereo position Make sure other equipment in the signal path such as mixers and preamps are set for stereo not mono 6 5 Problem Distorted Sound Indication On LED lit Signal LED responding to signal level Clip LED lit only green A faulty speaker or a loose connection could cause this Try another speaker and check the wiring The signal source might be clipping Keep the VORTEX volume pots at least halfway up so that the source does not have to be overdriven Keep the VORTEX volume pots at least halfway up and try changing input sensitivity from 1 4 V to 32 dB or 26 dB with the gain selector on the rear 6 6 Problem Hiss Unplug the amplifier input to confirm that the hiss is coming from the source or from a device upstream Erratic or popping noises indicate an electronic fault in the offending unit To keep the noise floor low operate the primary signal source at full level without clipping Avoid boosting the signal further between the source and the amplifier 6 7 Problem Squeals and Feedback Microphone feedback should be controlled with mixer controls If noise continues to build up with no microphone gain there is a serious fault in the signal processors o

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