D-Power 7 User Manual
Contents
1. 3 8 Wiring 3 8 2 Stereo Operation 3 8 1 E U I and XLR Connection Two fully independent amplifier channels normal operating mode XLR Pin 1 Ground or lifted via 15 Q resistor proce RE PARALLEL q mono Pin 2 Hot inphase Pin 3 Cold out of phase MODE D POWER7 AW Ps IU Always use symmetrical balanced shielded cable to connect the amplifier c Input Input LINK B LINKA V Channel Channel A ZN EN B R All c he TN MA WO 3 0039 Yz gt z Saal na 3 8 3 Parallel Mono Operation Parallel operation of the two channels together f MODE D POWER 7 Z 2 0 5 Z nin A TY TT L To To Channel Channel A Input Input Ground Lift in j Ground position grounded B aj jH J The output terminals of the two channels are configured in parallel using an internal relay The single load is connected either to the output of channel A or to that of channel B 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 operation the minimum impedance that can be con nected is reduced by half due to the fact that cur2. 3200 W 5800 W 9400 W Multiply currents by 2 for 120 V Multpy currents by 2 3 for 100V 1 1 4 of max Output Power with pink noise to represent typical music signal 2 max rated Output Power see above D POWER SERIES 26 Frequency Range 8 Q load 10 dB below rated power Input Impedance Voltage Gain Protection Circuits Limiter Fan Ground Lift Indicators Input Connectors Output Connectors Modes of Operation THD N typical 20 Hz 10 kHz 8 Q load 10 dB below rated power SMPTE typical 20 Hz 20 kHz 8 Q load 10 dB below rated power Damping Factor 8 Q load 1 kHz and below Dimensions WxHxD Net Weight Shipping Dimensions WxHxD Shipping Weight USER MANUAL D POWER 7 20 Hz 20 kHz 0 15 dB 40 kQ balanced selectable 26 dB 32 dB or 1 4 V input sensitivity inrush current limitation temperature monitoring of transformers and heatsinks output DC protection SOA protection output over current protection under impedance limiter intelligent mains fuses protection switchable clip and speaker protect limiter two temperature dependent speed controlled axial fans input ground lift switch on back panel LEDs for On Signal Out Clip Mode indicating additionally Output Current and faults such as DC and High Temperature 3 pin XLR male and female per channel pin 2 hot inphase one 4 pole SPEAKON connector for each output channel wired using 2 channel cable Stereo
3. Cleaning and servicing work on the inside of the amplifier must only be carried out by qualified personnel Qualified personnel is defined as a person who has gained specialised relevant knowledge of electronic engineering through education training and experience and who has sufficient knowledge of all relevant gov ernmental 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 Electronic 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 in a safe place to prevent this amplifier being used mistakenly P 32 USER MANUAL D POWER 7 D POWER SERIES P33 USER MANUAL D POWER 7 Mailing Address CAMCO Produktions und Vertriebs GmbH f r Beschallungs und Beleuchtungsanlagen Fischpicke 5 D 57482 Wenden Germany Telephone 49 0 2762 408 0 Facsimile 49 0 2762 408 10 Internet www camcoaudio com Email postmaster camcoaudio com D POWER SERIES Changes Made To The Amplifier NOTE IMPOR
4. Measurements of a typical performance Measurements of a typical performance P 28 USER MANUAL D POWER 7 D POWER SERIES P29 20 30 40 50 60 70 dB LI 80 90 100 110 120 100 200 500u im 2m 5m 10m 20m Vrms Figure 7 9 CCIF difference frequency method 10 5 kHz and 11 5 kHz vs input level 4 Ch1 Ch2 Measurements of a typical performance 20 30 40 50 60 dB 70 80 PAA 90 100 4 00u 200 500u 1m 2m 5m 10m 20m Vrms Figure 7 10 SMPTE intermodulation distortion 60 Hz and 7 kHz 4 Q vs input level Ch1 Ch2 Measurements of a typical performance USER MANUAL D POWER 7 50m 100m 200m 500m 1 2 6 50m 100m 200m 500m 1 2 6 Watts 5000 A y 3000 2000 1000 Peak power Distortion limited output power 1 THD 4 Impedance 8 t Figure 7 12 D POWER 7 Measurements of a typical performance D POWER SERIES P30 8 1 Summary of Warranty CAMCO guarantees the D POWER 7 Amplifier to be free fr
5. Mono Bridge and Parallel Mono lt 0 01 lt 0 01 gt 400 483 x 88 9 x 422 mm 19 2U 12 4kg 615 x 135 x 540 mm 0 045 m3 15 kg We reserve the right to make technical alterations without prior notice D POWER SERIES 27 27 F 26 5 E An 26 E 25 5 E 25 24 5 E B 24 23 5 E 23 22 5 22 E 21 5 E 21 5 10 20 50 100 200 500 jk 2k 5k 10k 20k 50k100k Hz Figure 7 1 Gain vs frequency Ch1 Ch2 Measurements of a typical performance a LA LL TMT 100 200 500 1k 2k 5k 10k 20k Hz Figure 7 2 Channel separation vs frequency 10 W 4 Q Ch2 gt Ch1 Ch1 gt Ch2 Measurements of a typical performance USER MANUAL D POWER 7 dbr 135 180 gt mmmn 20 50 100 200 500 1k 2k 5k Hz 10k 20k 50k 100k Figure 7 3 Phase vs frequency Ch1 Ch2 Measurements of a typical performance A 50 100 200 500 1k 2k 5k Hz
6. has to document any changes made to the amplifier in writing and pass the documentation on to the buyer 3 Environments Use this amplifier only in E1 E2 or E4 environments according to EN55103 2 Electromagnetic compatibility Product family standard for audio video and audio visual and entertainment lighting control appara tus for professional use Part 2 Immunity 4 Mounting Placement Do not place this amplifier on an unstable cart stand tripod bracket or table The amplifier may fall caus ing serious injury and serious damage to the prod uct Any mounting of the amplifier should follow the manufacturer s instructions Only mounting accessory shall be used which is recommended by the manufac turer USER MANUAL D POWER 7 5 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 attention to cords and plugs and the point where they exit from the amplifier 6 Heat Do not use this amplifier near any heat sources such as radiators heat registers stoves or other apparatuses that produce heat 7 Water and Moisture Do not expose this device to rain or moisture Do not use this amplifier near water for example swimming pools and fountains Do not place any objects containing liquids such as bottles or glasses on the top of the unit Do not splash liquids on the unit IP 20 equipm
7. level without clipping Avoid boosting the signal further between the source and the amplifier 5 7 Problem Squeals and Feedback Microphone feedback must be eliminated by the mixer controls If noise continues to build up with no microphone gain there is a serious fault in the signal processors or cables Working in stages from the signal source towards the amplifier and check each device in the signal path by reduc ing its gain or by unplugging it P 24 USER MANUAL D POWER 7 D POWER SERIES 25 Output Power both channels driven 1 kHz THD lt 1 96 230 V 50 Hz duration limited by fuse thermal protection for RL lt 16 Peak Output Power 1 kHz single sine wave Output Power Mono Bridge Mode 1 kHz THD lt 1 96 2230 V 50 Hz duration limited by fuse thermal protection Output Power Parallel Mono Mode 1 kHz THD lt 1 96 2230 V 50 Hz duration limited by fuse thermal protection Circuitry Signal to Noise Ratio 20 Hz 20 kHz 8 O load unweighted A weighted Power Consumption 2 230 V both channels driven USER MANUAL D POWER 7 D POWER 7 2x 800 W 16 Q 2 14560 W 8 Q 2x 2500 W 4 Q 2x 3500 W 2 Q 2x 2950 W 4 Q 2x 4000 W 2 Q 1x 2900 W 16 Q 1 5000 W 8 Q 1x 7000 W 4 Q 1x 5000 W 2 Q 1x 7000 W 1 Q Bipolar Class H 3 step high effiency circuit gt 107 dB gt 110 dB Idle 80 40 20 Typical 1 1 5 5 8A 12A 60W 700 W 1100 W 1800 W Max 2 21A 35A 60A
8. physically separating the amplifier from the mains by pulling the mains plug The mains plug therefore has to be freely accessible Dis connect the mains plug from the mains during a lightning storm or when the amplifier remains unused or unsupervised 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 amplifier settings prior to the loss of power will be maintained USER MANUAL D POWER 7 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 750mm 10 50 DODDOCODODDCODOCODOOREOEREPRREEEREROOEROREROERROOEROEROEORRCEOROOROR EEEEBEEEEEEEEEEEOEECEEREEEEEEEREEEDECEPEEEEER m BoeepeeeeecHece nee cce e Hee cce caeco coeno ceo I bze SOBEBGESGEEECRREERSEEBEERSEERSEREEREEERRREEG 7620mm 465 00 442 00 mm E 452 00 mm 443 00 mm 48300 D POWER SERIES 12 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
9. the mains 12 Damages that Require Service Unplug this amplifier from the mains supply and refer to your dealer dis tributor or other authorized repair workshop if any of the following situa tions occur if liquid has been spilled or objects have fallen into the amplifier if the amplifier has been exposed to rain or moisture if the amplifier has been dropped or damaged in any other way if the power supply cord or plug has been damaged when the amplifier exhibits a distinct change from its normal function or performance in case the amplifier has been used in a dusty environment for quite a period of time 13 Servicing All service and repair work must be carried out by a dealer distributor authorized by CAMCO Do not attempt to service this amplifier yourself As opening or removing covers may expose you to dangerous voltage or other hazards the amplifier may only be opened by qualified personnel Please refer to your dealer distributor USER MANUAL D POWER 7 14 Spare Parts When spare parts are required please ensure that the dealer distribu tor only uses spare parts specified by the manufacturer The use of un authorized spare 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 works properly Recommendations
10. voltage level at the output reaches approx 4 V this corresponds to a power of approx 4 W over a 4 Ohm resistor D POWER 7 D POWER 7 P 1 7 USER MANUAL D POWER 7 D POWER SERIES P18 4 2 5 Mode Indicators On the front panel there are two yellow LEDs to indicate the mode that is set In stereo mode 2 channel none of them will be lit In Parallel Mono the PM LED will be lit and in Mono Bridge the MB LED will be lit D POWER 7 t O Amplifier in Parallel Mono mode D POWER 7 Amplifier in Mono Bridge mode USER MANUAL D POWER 7 4 3 Power Amp Protection Systems 4 3 1 Clip Limiter If the power amp is overdriven the clip detection circuit triggers the micro processor The processor reduces input signal level by controlling the DCA 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 The Clip Limiter can work on each channel independently except in the two mono operation modes To disable the Clip Limiter see 4 1 4 Limiter Switch 4 3 2 Under Impedance Limiter As a result of incorrectly connected or defective loads under impedance or even short circuits may occur in one or both power amp channels The microprocessor c
11. 10k 20k Figure 7 4 Common mode rejection ratio Ch1 Ch2 Measurements of a typical performance D POWER SERIES 1000 300m E Ap 200m 800 F 100m E N 50m 600 2 E E clean 2 400 E 5 E 10m i E 5m 200 2m E 20 50 100 200 500 1k 2k 5k 10k 20k 20 50 100 200 500 1k 2k 5k 10k 20k Hz Hz Figure 7 5 Figure 7 7 Output impedance vs frequency 1 Amp RMS injected current Ch1 Damping factor into 8 Ch1 Ch2 Ch2 equivalent 11 mQ 2 1 uH Measurements of a typical performance equation damping factor loaded impedance amplifier output imped ance Measurements of a typical performance 20 30 30 30 40 E 40 E gt 50 E 60 E 60 m E m E 5 70 80 80 E TU E t PRG 90 E I 90 F1 100 100 E E 110 120 E 100 200 500 im 2m 5m 10 20m 50m 100m 200m 500m 1 2 5 20 50 100 200 500 1k 2k 5k 10k Vrms Hz Figure 7 6 Figure 7 8 THD N vs input voltage 1 kHz 4 Ch1 Ch2 THD N vs frequency BW 22 kHz 10 dB below clip 4 Q Ch1 Ch2
12. D POWER SERIES INFORMATION FOR USE FOR D POWER 7 TDA225USERENB The leading version of this brochure is the English one which shall prevail to the exclusion of the national translation on hand Copyright 2011 2012 by CAMCO Produktions und Vertriebs GmbH f r Beschallungs und Beleuchtungsanlagen Fischpicke 5 D 57482 Wenden Germany Telephone 49 0 2762 408 0 D POWER SERIES Please visit our website www camcoaudio com for the latest version of this user manual Please note that the leading version of CAMCO manuals is always the English one P 1 USER MANUAL D POWER 7 D POWER SERIES 2 IMPORTANT SAFETY INSTRUCTIONS 1 General The amplifier may only be used in accordance with the information provid ed 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 D POWER 7 amplifier is designed for the amplification of pulsed audio signals The amplifier should only be connected to speakers with an aver age impedance as indicated 2 User Manual Read the information for use user manual and heed all warnings Keep this user manual in a safe place during the lifetime of the amplifier The user manual forms an integral part of the amplifier Reselling the amplifier is only possible if the user manual is available In case of reselling the amplifier the reseller
13. It is of course essential that while the power amp is running air is able to circulate around it freely The efficiency of the cooling 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 connected to the ground of the mains supply In order to avoid ground loops this connection can be separated via a resistor The ground potential of the power amp and the ground of the loudspeaker always remain connected to the ground of the mains supply regardless of the setting of this switch INPUT GROUND LIFT to Pin 1 of the XLRs Removing or taping the mains connector ground is illegal and dangerous DO NOT REMOVE MAINS CONNECTOR GROUND 15 ILLEGAL AND DANGEROUS USER MANUAL D POWER 7 3 6 Optional Feature Could be activated with future released software versions 2712 OPTIONAL FEATURE 3 7 Mode Selector The switch on the rear panel changes the operating mode Moving this switch will shutdown the amplifier and restart it in the new operating mode FO PARALLEL STERI BRIDGES F Mono MODE D POWER SERIES
14. OUT THE ORIGINAL PACKING MATERIALS When shipping the D POWER 7 amplifier always use the original shipping carton and packing materials For maximum protection repack the unit as it was originally packed at the factory D POWER SERIES 8 2 2 The Amplifier The D POWER 7 is a Class H power amplifier with a power output of 3 kW per channel 2 2 Q 6 kW in Mono Bridge 4 Q 6 kW in Parallel Mono 2 1 Q The D POWER 7 power amplifier is fitted with Switched Mode Power Supply SMPS which significantly reduces the weight and size only 2U Using SMPS the 3 symmetrical supply voltages of the power amplifier are more stable than the power supplies used in conventional amplifiers The D POWER 7 also uses a microprocessor for controlling and monitor ing the power amp This has four main advantages over more traditional power amp systems Reduced Distortion Improved Noise Characteristics Indication of Protection or Failures by different LED sequences The D POWER 7 has been designed as an intelligent and powerful amplifier 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 D POWER 7 allow the dif ferent functions to be accessed Since some of the externally mounted controls have multiple functions it is important that users sh
15. OWER 7 D POWER SERIES 2 5 Factory settings 3 1 Mains supply D POWER 7 amplifiers are delivered with the following factory settings When mounting or connecting the amp always disconnect it from mains Only connect the D POWER 7 amplifier to an appropriate AC cir gt n H n H n a cuit and outlet according to the requirements indicated in the second BEBBEBEBEBEEBEB line on the rating plate BENBEBBBEENBBBEEN u U p powrR7 BEEBBEBEEB x BEEBBEEN OUTPUT PWR PER CHIMP HH NO BSEBEBER SER NO XXXXXXX MADE IN GERMANY e Exemplary rating plate for a mains supply of 230 V AC 50 60 Hz Front panel On Off Switch Off Amplifier is switched off Power Supply Data Voltage Mains Frequency Current Power Consumption 5 ABS T na 100V 50 60 Hz 28A 1800W AJ ES Pros prono OFF al CSE 26 120V 50 60 Hz 24A 1800W E E i E i 220V 60Hz 12A 1800 W eU OPTIONAL MODE LIMITER GAIN 230V 50 60 Hz 12A 1800 W NOTE Even under normal conditions the mains current can reach lev els up to 60 A 230 V 120 A 120 V and 140 A 100 V respectively Rear panel this could cause lamps to flicker if connected to the same mains as Input Ground Lift Grounded the amp The impedance of the AC circuit should be less than 0 157 Optional Feature Circle Ohms to avoid flicke
16. TANT Please consider that any changes made to the amplifier have to be doc umentated in writing and passed on to the buyer in the event of resale P 34 USER MANUAL D POWER 7
17. ain SMPS will shut down and the channel will be automatically switched off The microprocessor performs a sophisticated strategy to lo cate the cause of the malfunction 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 5 Troubleshooting Driver Stage When a DC voltage is located at the driver stage only the defective chan nel 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 5 Troubleshooting Amplifier Input When DC is located at the input stage only the DCA of the affected chan nel is muted The other channel continues 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 3 6 DC Servo To prevent DC Offset at the speaker output the D POWER 7 is fitted with two DC Servos Hence there are no capacitors in the signal path 4 3 7 Over Current Protection The output stage is permanently monitored for possible current surges There are two limiting levels of over current depending on output voltage These limits will be set automatically This improves reliability without de grading sound qual
18. ce USER MANUAL D POWER 7 4 1 Controls 4 1 1 Volume Control A microprocessor controlled DCA 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 con version with associated losses and delay Using a DCA instead of the conventional VCA significantly reduces dis tortion and at the same time it improves the noise characteristics A vol ume control with 41 notched settings controls the DCA via a microchip These settings have been selected to correspond to human hearing char acteristics and therefore guarantee an optimal range of settings for practi cal applications Each channel can be set individually except when operat ing in mono modes whereby only channel A is active A D POWER 7 Set the volume to zero before turning on the amplifier to prevent the oc currence of sudden high volume levels which may cause damage to your hearing and or the speakers D POWER SERIES P16 4 1 2 Gain Selector This switch on the rear of the D POWER 7 allows the maximum amplification attainable to be set directly in the input stage 32 dB 26 dB l4 V GAIN The D POWER 7 amplifier has a 26 dB and 32 dB voltage gain setting along with a 1 4 V sensitivitysetting 4 1 3 Gain and Input Sensitivity The table shows input sensitivity per channel for a given gain and
19. ches its maximum value P 20 USER MANUAL D POWER 7 D POWER SERIES 4 7 Filter Cleaning The air intake on the front of your D POWER 7 Amplifier is fitted with a re To clean or replace the filter just slightly unscrew the fixing screw with the movable filter system If the filter becomes clogged the unit will not cool as help of a 3 mm allen key The screw will be held back by a small plastic efficiently as it should and may result in reduced output levels spacer on the back of the frame to avoid losing it Then shift the front frame slightly to the right Then you should be able to remove the frame from the amplifier completely pull gently to avoid any bending of the front frame WARNING Disconnect the amplifier from the mains before removing the front frame D POWER 7 Filter Assembly 1 Foam Filter 2 Front Frame 3 Screw P 21 USER MANUAL D POWER 7 D POWER SERIES 5 1 On LED Flashing Sequences When switching on the amp the On LEDs flash twice accompanied by a Examples of LED sequences flash of Clip LEDs This is normal for the Start sequence of the D POWER 7 LED sequence Channel 1 J L When switching off the amp the On LEDs flash several times followed by Channel 2 _ a flash of Clip LEDs This is normal for the Shut Down sequence of the Malfunction Channel 1 high temperature
20. ent There is no protec tion against splashing water 8 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 s instruc tions have been adhered to 9 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 fire or electric shock Never spill liquid of any kind on the amplifier D POWER SERIES 10 Connections 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 Lightning For additional protection of this amplifier during lightning storms or when it is left unattended and or 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
21. etection 3 1 Mains supply 4 4 4 Fuse Protection P11 3 2 On Off Switch P20 4 5 Main SMPS Protections 3 3 Mounting 4 5 1 Over Current Protection P12 3 4 Cooling 4 5 2 Thermal Protection 3 5 Ground Lift 4 6 Fans 3 6 Optional Feature P21 4 7 Filter Cleaning 3 7 Mode Selector 22 5 TROUBLESHOOTING 13 3 8 Wiring 5 1 On LED Flashing Sequences 3 8 1 E U l and XLR Connection 23 5 2 Problem No Sound 3 8 2 Stereo Operation 5 3 Problem No Sound or Sound Is Too 3 8 3 Parallel Mono Operation Low 14 3 8 4 Mono Bridge Operation 5 4 Problem No Channel Seperation 3 8 5 SPEAKON Connection 5 5 Problem Distorted Sound 15 4 OPERATION P24 5 6 Problem Hiss 4 1 Controls 5 7 Problem Squeals and Feedback 4 1 1 Volume Control 25 6 SPECIFICATION 16 4 1 2 Gain Selector P 27 7 TYPICAL PERFORMANCE DIAGRAMS 4 1 3 Gain and Input Sensitivity P 30 8 WARRANTY INFORMATION 4 1 4 Limiter Switch 8 1 Summary of Warranty P17 4 2 Indicators 8 2 Items Excluded from This Warranty 4 2 1 On LEDs multifunctional 8 3 What CAMCO Will Do 4 2 2 Signal LEDs 8 4 How to Obtain Warranty Service 4 2 3 Output Current LEDs 8 5 CAMCO s Product Improvement 4 2 4 Clip LEDs multifunctional 31 9 SERVICE INFORMATION 18 4 2 5 Mode Indicators P 32 10 MAINTENANCE INFORMATION P 6 USER MANUAL f D POWER 7 D POWER SERIES P7 1 1 Welcome to CAMCO Established in 1983 CAMCO has gained worldwide experience with professional sound reinforcement technology Withi
22. hout giving prior notice If in any doubt please consult your dealer distributor or contact CAMCO directly for clarification D POWER SERIES P31 PLEASE ENCLOSE THIS COMPLETED FORM WITH THE AMPLIFIER DO NOT SEND SEPARATELY Owner s Information Company Name Contact ___________________________ Address Telephone Facsimile sus oC ene es e e S a eMail Address Model Serial Number Purchase Date Expired Warranty If the warranty has expired payment will be Ll Cash Cheque O VISA O MasterCard 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 Nature of problem occurred Please describe the conditions that existed when the problem occured and what attempts were made to correct it 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 D POWER 7 D POWER SERIES 10 Maintenance Information 11 Decommissioning Cleaning and servicing the inside of the amplifier must never be carried out During the decommissioning process of the amplifier all legally prescribed by unqualified personnel The amplifier must never be opened by unquali rules and procedures must be adhered to fied personnel
23. hows the same sequence when the D POWER 7 is switched on again the amp will need to be serviced by a qualified technician All other On LED sequences that shut down or mute the D POWER 7 indicate a serious internal fault At this point turn the D POWER 7 off remove AC power and have the amplifier serviced by a qualified tech nician 5 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 5 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 Check the wir ing and the speakers systematically i e step by step and replace them if necessary The signal source might be clipping Keep the D POWER 7 volume pots at least halfway up so that the source does not have to be overdriven Keep the D POWER 7 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 D POWER SERIES 5 6 Problem Hiss Unplug the amplifier input to check 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
24. ity when driving complex loads USER MANUAL D POWER 7 4 3 8 Thermal Protection The microprocessor uses several sensors in the amp in order to ascertain temperature 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 5 Troubleshooting 4 4 Mains Protections 4 4 1 Inrush Current Limitation Within 2 seconds of the D POWER 7 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 4 2 Mains Over Voltage Detection Mains Over Voltage Detection is always operative When the mains voltage exceeds approx 267 V 230 V operation 134 V 120 V operation or 117 V 100 V operation the amplifier will switch off When the mains voltage returns to nominal value a soft start occurs 4 4 3 Mains Failure Detection Mains Failure Detection is always operative When the mains supply is interrupted for about 2 mains cycles the amplifier will switch off When the mains voltage returns to a normal value a soft start occurs 4 4 4 Fuse Protection The average mains current can peak temporarily depending on the load impedance and type of signal at values several times higher than the nominal value allowed b
25. load It also shows the gain for the 1 4 V input sensitivity 26 dB 32 dB 14V 3500W 02 419V 2 10V 2500W 42 5 01 V 2 51V 37 5 dB 1450W 9 8 O 5 40 V 2 71V USER MANUAL D POWER 7 4 1 4 Limiter Switch This switch is located at the rear of D POWER 7 It allows you to set the mode of the limiter There are three modes See 4 3 1 Clip Limiter and 4 3 4 Speaker Protect Limiter SpP or sP Right position E Clip Limiter On Speaker Protect On LIMITER SPP cu Middle position B Clip Limiter Off Speaker Protect On LIMITER SPP OFF c SPP Left position l Clip Limiter Off Speaker Protect Off LIMITER D POWER SERIES 4 2 Indicators 4 2 1 On LEDs multifunctional Under normal operation after the amp has started the green On LEDs are permanently lit A variety of different sequences of flashing LEDs are used to indicate other operating states and errors in the relevant channels of the power amp See 6 1 Flashing sequences for On LEDs 4 2 3 l Out LEDs The brightness is proportional to the output current in the corresponding channel A D POWER 7 D POWER 7 4 2 4 Clip LEDs multifunctional The colour of the bi coloured LED changes between orange and red de pending on the clip intensity Orange indicates light clipping red indicates 4 2 2 Signal LEDs heavy clipping The green Signal LED is illuminated when the
26. m 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 Indication 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 e If the fans aren t running the amplifier requires servicing 5 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 D POWER 7 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 elf the On LED sequence indicates DC Input Signal Fault switch off the D POWER 7 and unplug the amp to disconnect it from the signal source If the On LED s
27. n 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 installa tions The success of the TECTON and VORTEX 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 D POWER 7 power amp CAMCO is pioneering a new di mension in professional power amp construction The seamless combi nation of ground breaking technology with proven safety elements is the hallmark of the new amplifier Welcome to the new world of professional power amplifiers WELCOME TO CAMCO USER MANUAL D POWER 7 2 1 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 mate rials so you will have them if you ever need to transport the unit NEVER SHIP THE AMPLIFIER WITH
28. om defective material and or workmanship for a period of six 6 years from the date of sale When a defect occurs under normal installation and use CAMCO will repair the product under this warranty In this event please return the am plifier to your dealer distributor together with a copy of your sales receipt as proof of purchase This warranty provides that examination of the returned product must indi cate in our judgement a manufacturing defect 8 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 peripheral equipment modification or alteration without prior factory ap proval service by an unauthorized service center and normal wear and tear Amplifiers on which the serial number has been removed or defaced are not eligible for warranty service 8 3 What CAMCO Will Do CAMCO or its appointed agent undertakes to rectify any defect regard less of the reason for failure unless excluded from this warrenty by re pair replacement or refund as it sees fit USER MANUAL D POWER 7 8 4 How to Obtain Warranty Service You must notify your dealer distributor of your need for warranty service All components must be shipped in the original packaging 8 5 CAMCO s Product Improvement CAMCO reserves the right to improve the technical standard of its prod ucts wit
29. on how to carry out the safety test can be found in DIN VDE 0701 1 Maintenance Modification and Test of Electronic Appli ances 16 Cleaning Unplug this amplifier from the wall outlet before cleaning Do not use liquid or aerosol cleaners Clean only with dry cloth 17 Packaging and Shipping When shipping the D POWER 7 amplifier always use the original shipping carton and packing materials For maximum protection repack the unit as it was originally packed at the factory P4 USER MANUAL D POWER 7 D POWER SERIES CAUTION HIGH VOLTAGE HAZARDS CAUTIO N EXIST WITHIN THIS PRODUCT RISK OF ELECTRIC SHOCK REFER ALL SERVICING TO DO NOT OPEN AUTHORIZED PERSONNEL THE LIGHTNING FLASH WITH ARROW HEAD SYMBOL IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED DANGEROUS VOLTAGE 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 OUTPUT 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 PROTECTIVE EARTH CONDUCTOR D POWER SERIES EC Declaration Of Conformity In Accordance To EC Di
30. onstantly calculates the load impedance at the out put channels If an impedance of less than 1 33 ohms channel is detected the microprocessor limits the signal to the power amp until a subsequent measurement indicates that impedance has risen to a safe level When ever the Under Impedance Limiter is active the corresponding channel s On LED is turned off See 5 Troubleshooting 4 3 3 SOA Protection To ensure that the power transistors are only used in the Safe Operation Area SOA the SOA protection in stereo mode switches back the rail volt ages of the respective power stage In mono modes the rail voltages of both channels are switched back 4 3 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 immedi ately 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 D POWER SERIES P19 4 3 5 DC Protection Each output of the power amp is constantly monitored for persistent DC voltage levels If the 3 V threshold voltage is exceeded at any of the out puts the m
31. ould familiarise themselves thoroughly with the entire range of controls and programmable features before using the power amp If you have any questions regarding features and or functions of your D POWER 7 CAMCO will be pleased to offer you further information Alter natively contact your dealer or distributor USER MANUAL D POWER 7 D POWER SERIES 12 34 56 s e N Ge Lu gt a e LALLE LLELLE LL e 7 8 9 10 11 2 3 D POWER 7 The Front 2 4 D POWER 7 The Rear 1 Clip LEDs 7 Volume Control Channel A 12 Rating Plate 18 Limiter Switch 2 Output Current LEDs 8 Volume Control Channel B 13 SPEAKON Connectors 19 Gain Selector 3 Signal LEDs 9 Removable Air Filter System 14 Cooling Air Outlet Vents 20 AC Power Connector 4 On LEDs 10 Cooling Air Inlet Vents 15 Input Ground Lift Switch 21 XLR Line Inputs 5 Parallel Mono Mode LED 11 On Off Switch 16 Optional Feature Selector 22 XLR Line Link Outputs 6 Mono Bridge Mode LED 17 Mode Selector 12 13 14 vo awama O ce nem 3 ZEE CACO PRODUKTIONS i ws wr cones TT TT s a Een NON SEED ma G s aaa Ga G Q as mua a G s aaa O wama uma saa ss oOOOIIUA G sm wara mua u G s a G G ws ee SS Q m GN O OJ 20 P9 USER MANUAL D P
32. r according to EN61000 3 11 Electromagnetic Mode Stereo compatibility Part 3 11 Limits Limitation of voltage changes volt Limiter SpP age fluctuations and flicker in the public low voltage supply systems Gain 26 dB Equipment with rated current lt 75 A and subject to conditional connection If in any doubt 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 P 1 0 USER MANUAL D POWER 7 D POWER SERIES P11 3 2 On Off Switch The On Off Switch is a rocker type switch It is located on the right side of the front panel To turn the amplifier on press on the upper part of the switch During power up the Clip and Signal LEDs from both channels will light up in red for a few seconds To turn the amplifier off press on the lower part of the switch POWER POWER Amplifier is switched on Amplifier is switched off NOTE This switch does NOT disconnect the amplifier from mains Make sure the mains power socket or an alternative disconnect device is nearby and easily accessible The switch initiates start up by activating the inrush current limiter 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 recti fier Disconnecting the amplifier from the main power supply can only be achieved by
33. rectives electromagnetic compatibility Council Directive 2004 108 EC low voltage electrical equipment Council Directive 2006 95 EC Manufacturer s Name CAMCO Produktions und Vertriebs GmbH f r Beschallungs und Beleuchtungsanlagen Manufacturer s Address Fischpicke 5 D 57482 Wenden Germany Declares That The Product With The Model Name CAMCO Power amplifier D POWER 7 Conforms To The Following Standards EN60065 Safety EN55103 1 Emission EN55103 2 Immunity The operating conditions and application environments presupposed in the information for use user manual are to be kept to accordingly Wenden 07 10 2011 Z 4 amp Joachim St cker P 5 USER MANUAL D POWER 7 D POWER SERIES P2 IMPORTANT SAFETY INSTRUCTIONS P18 4 3 Power Amp Protection Systems P 32 11 DECOMMISSIONING P4 EXPLANATION OF SYMBOLS 4 3 1 Clip Limiter P 33 COMPANY INFORMATION P5 EC DECLARATION OF CONFORMITY 4 3 2 Under Impendance Limiter P 34 NOTICES CHANGES MADE TO THE P6 CONTENTS 4 3 3 SOA Protection AMPLIFIER P7 1WELCOME 4 3 4 Speaker Protect Limiter 1 1 Welcome To CAMCO P 19 4 3 5 DC Protection 2 THE AMP 4 3 6 DC Servo 2 1 Unpacking 4 3 7 Over Current Protection P8 2 2 The Amplifier 4 3 8 Thermal Protection 2 3 D POWER 7 The Front 4 4 Main Protections 2 4 D POWER 7 The Rear 4 4 1 Inrush Current Limitation P 10 2 5Factory settings 4 4 2 Mains Over Voltage Detection 3 INSTALLATION 4 4 3 Mains Failure D
34. rent capability is doubled Only channel A Input is active The channel B Input is inactive turn the volume on channel B down to zero This mode is useful when for exam ple 3 identical loudspeakers are to be operated with the same power P 1 3 USER MANUAL D POWER 7 D POWER SERIES 3 8 4 Mono Bridge Operation 3 8 5 SPEAKON Connection One channel mono bridged operation Both SPEAKON connectors are connected to channel A and channel B outputs The pin configuration of the SPEAKON connectors is as follows ances Upper SPEAKON 1 Channel A signal MODE D FOWER 7 Pin 1 Channel A ground A 2 Pin2 Channel signal Pin 2 Channel B ground T 5 Z Zm SPEAKON 1 Channel B signal k Pin 1 Channel B ground B Pin 2 Channel A signal Z p 2Q Pin 2 Channel A ground The second channel processes the same input signal but with reversed Input Upper SPEAKON phase The single load is connected between the two positive channel chants outputs using a suitable connected SPEAKON connector While the total I output of the amplifier remains the same both the available output volt L age and the minimum impedance that can be connected are doubled as r y compared with stereo operation Only channel A Input is active turn
35. the volume on channel B down to zero WARNING In Mono Bridge mode RMS output voltages are as high as 230 V Wir i ing to the speaker loads must conform to NEC Class 3 safety stand Input L y ards or its equivalent that meets all national and local electric codes Channel B All customer specific cables may only be manufactured by qualified suppliers personnel All cabeling or rewiring work must be carried out by qualified personnel Bottom SPEAKON n 2 WARNING SPEAKON connectors marked with the lightning flashes indicate high voltages that are potentially life threatening 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 P 1 4 USER MANUAL D POWER 7 D POWER SERIES 15 To prevent electric shock do not operate the amplifier with of the conductor portion of the speaker wire exposed NOTE For reasons of safety and performance use only high quality fully in sulated 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 con tacts in both SPEAKON connectors If not this may cause permanent damage to the connectors and considerably reduce performan
36. with signal attenuation D POWER 7 It is the same as the loss of the mains voltage Channel 2 normal operation In the following table you will find the possible LED sequences of the On LEDs LED sequence Channel 1 IM I nn Channel 2 IM Malfunction Channel 1 DC output stage defect Channel 2 main SMPS off Operating Status LED Sequence flash __ off Description of repeated sequences Normal no failure Permanently lit Power Fail i e switch off Jl Jl Short 50 ms flash 950 ms pause High Temperature signal attenuation J L 750 ms flash 250 ms pause Over Temperature main SMPS off 250 ms flash 750 ms pause DE 250 ms flash 250 ms pause reason unknown CL LITILII DC ROI input signal fault EL TU 3 flashing 0 5 s pause DC n fo fault in driver stage nn WL 1 L 4 flashing 0 5 s pause DC ii ae output stage defect 5 flashing 0 5 s pause Output Stage Defect E x without DC Il i 6 flashing 0 5 5 pause Main SMPS off unless high temperature M 2 flashing 0 5 5 pause power fail P 22 USER MANUAL D POWER 7 D POWER SERIES P23 5 2 Problem No Sound Indication On LEDs not lit Clip LEDs not lit Check AC plug Confir
37. y 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 The limitation of the input signal allows a 6 kW D POWER 7 power amplifier to be operated reliably from a mains power supply of 230 V 16 A 120 V 30 A 100 V 30 A D POWER SERIES 4 5 Main SMPS Protections 4 5 1 Over Current Protection Main SMPS Switched Mode Power Supply transformer current of your D POWER 7 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 5 2 Thermal Protection The temperature of the main SMPS transformer of your D POWER 7 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 5 Troubleshooting 4 6 Fans The fans mounted in your D POWER 7 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 chan nel controls the speed of the fans Above 40 C the speed is increased until it rea
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