USER'S MANUAL
Contents
1. i 1 CHANNEL 2 CAUTION TURN OFF AMPLIFIER Stereo E nibs 3 3 2 9 T BEFORE CHANGING THIS SWITCH i See ls i Q w w Hl ine Com Oe ay Jt bat 5 5 Oe ol TOE fe UUN o WUU LU o oe a NS o E03 CHANNEL Stereo Mode O O 12 1314 11 Sns 2 CAUTION TURN OFF AMPLIFIER aineol Ti aoe TF BEFORE CHANGING THIS SWITCH Fo ontpanal mou O i Two frontpanel mounting holesare provided oneach mounting ear 6 J WUUUU WJUUWU Sa GN 2 Fon mateo te S One grill with foam filter is located on the front panel to prevent dust from entering the Oo Dre nee OF lp SE 9l o amplifier Foreasy cleaning ofthe filter the grill is removable by simply pullingit off The foam filter should always be used The fan s variable speed control ensure low noise operation and Bridge Mono Mode E A T adapt the quantity of air required from the actual temperature inside the unit CH2 jsfotused in themode WINMAER Thanks to thisadvanced system lownoise is guarantee Do not blockthis intake 3 Input attenuator 14 CHANNEL CAUTION TURN OFF AMPLIFIER stereo E Ring2. Page 8 Reference Manual Each channel hasa Protect LED that will light when the load connected is lowerthan 1 Ohm or amplifier broken If the amplifier is going to operate above its maximum operating temperature 90 C The indicator first comes on as a warning to either turn down the input level or check the cooling arrangements Beyond the maximum temperature the amplifier will mute the input signal Once the cooling fans have brought the output heat sinks back to normal operating temperature the input signalis un muted 7 Bridge LED The Yellow active LED illuminates to indicate that the amplifieris work atbridge mode 8 Power LED The green active LED illuminates to indicate that the amplifier is turned on and works correctly 9 AC power switch Use this toswitch on theamplifier A soft startsystem limits the start up surges 10 Fan exhaustports Heated air exits the amplifier through the exhaust ports located on the rear of the amplifier chassis Be surenot to blockthis ports especially when rack mounting the amplifier 11 Inputconnectors XLR female is provided on each channel for balanced or unbalanced input Unfortunate wiring in the proximity of dimmers or other generalised phase controls motors trans former etc can cause interference into your system You will hear loud humming or a bumping noise in the loudspeakers Balanced wiring suppresses these noises quite significantly 12 Impedance matching OVP switch The O
3. THE OWNER ARE NOT ENTITLED TO RECOVER FROM HJH ANY INCIDENTAL DAMAGES RESULTING FROM ANY DEFECT IN THE HJH PRODUCT THIS INCLUDES ANY DAMAGE TO ANOTHER PRODUCT OR WEEE Mark PRODUCTS RESULTING FROM SUCH ADEFECT If you wantto dispose ofthis product donot mix with general household waste Thereare separate collectionsystems for used WARRANTY ALTERATIONS electronic products inaccordance with legislation under the WEEE No person has the authority to enlarge amend or modify this Warranty This Warranty is not extended by the length of ee Directive Directive 2002 96 EC and is effective only within the time which the Owner is deprived of the use of product Repairs and replacement parts provided pursuant to the European Union Warranty shall carry only the non expired portion of the Warranty THIS STATEMENT OF WARRANTY SUPERSEDES ALL OTHERS CONTAINED IN THIS MANUAL Page 12 Reference Manual Reference Manual Page 1 J DP5 0 Switching PowerAmplifier The information furnished in this manual does not include all of the details of design and engineering of this particular product not does it cover every possible application or situation concerning its usage which may occur during the installation operation or maintenance of said HJH product IMPORTANT THE PRODUCT REQUIRES CLASS 2 OUTPUT WIRING A CAUTION A TO PREVENT ELECTRIC SHOCK DO Shock Hazard Do Not Enter NOT REMOVE TOP OR BOTTOM Choc Hasard N entrent COVERS NO USER SE
4. a couple of seconds to check its circuits this is known as the soft start or slow start sequence the fans then blow at high speed before going into idle and the two bottom green LEDs come onto show the output circuits are receiving the correctrail voltage Grounding There is noground lift switchor terminal onthis amplifier The signal groundis always floating via aresistor to chassis and the grounding system is automatic If a potentialabove 0 6V is presentsin between signal ground and chassis ground a shortcircuit is introduced between the two thereby enabling electrical protection If aunit in the system is faulty its mains fuse willblow due tothis automatic groundsystem If howeveryou wish totie the sig nal ground tochassis connect the XLR connector s shell lugto pin 1 In the interestof safety never disconnectthe earth pinon the AC power cord For all units that are FCC approved radio interference there is anAC mainsfilter This fil ter needs the chassis ground forreference otherwise acurrent loop is formed via the signal ground Use thebalanced input toavoid hum andinterference Connecting Power and Circuit size requirements Amplifier s power requirementare rated atidle at 1 8and 1 3 power severe music cond tion The maximum powercurrent draw ratingis limited only by the internal fuses Consult the specification atthe end ofthis manual forthe power eachamplifier will demand Mains voltage must alsobe correct andthe same a
5. packing materials in case shipping is required All products being returned to the factory or service center for repairs must be shipped pre paid wan nn nnn nn nn nn nn nn nn cn nn nn nc nn nn nn cence If the repairs made by HJH or the HJH Authorized Service Center are not satisfactory Owner is instructed to give written notice to HJH If the defect or malfunction remains after a reasonable amount of attempts by HJH to remedy the defect or malfunction the Owner shall then have the option to elect either a refund or replacement of said HJH product free of PENA em ae ee reo PEE E Se eRe eae ha EEE LE E Re en a ee Se ee er eee charge The refund shall be an amount equal to but not greater than the actual purchase price not including any taxes interest insurance closing costs and other finance charges minus reasonable depreciation on the product If a refund is necessary the Owner must make the defective or malfunctioning product available to HJH free and clear of all liens or other restrictions Se MODIFICTTIONS OF EQUIPMENT HJH reserves the right to modify or change equipment in whole or part at any time prior to delivery thereof in order to include therein electrical or mechanical improvements deemed appropriate by HJH but without incurring any liability to FE modify or change any equipment previously delivered or to supply new equipment in accordance with any earlier specifications DISCLAIMER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES YOU
6. voltage current displacement This leads to much improved perfor mance of the amplifier at high levels of output and avoids mains voltage collapses typical of standard and switching power supplies Another great advantage of this technology is that its performance is to a large extent independent of the mains voltage The rated output power doesnot vary withload line conditions The ShowAlways Goes On DP5 0 is completely protected against every possible error in operation and is designed to work under every condition It gives you maximum power with maximum safety and increases long term reliability Anticipating potential problems at the design stage means your show always goes on Reference Manual Page 3 J DP5 0 Switching PowerAmplifier DP5 0 Switching PowerAmplifier J lt Front Panel Parallel Mode Input Link In parallel mode both channels inputs are linked and receive the same signal The parallel 1 4 765 8 mode is active if the Link switches are in position PARA Both level attenuators are active allowing you to set different levels for each channel Note that only the inputs are connected in parallel Thisis NOT aparallel mono mode Never connect either positive output terminal to ground or in parallel You may use the remaining input connectors to carry the signal to other amps NOTE Alwaysturn off the Link switch when using the amplifierfor Bi amping
7. RVICEABLE Schocke Hazard Test Nicht PARTS INSIDE REFER SERVICING Betrete TO QUALIFIED SERVICE Urto Hazard Do Non Entrano PERSONNEL DISCONNECT POWER CORD BEFORE REMOVING REAR PANEL COVER TO ACCESS GAIN SWITCH WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE Magnetic Field CAUTION Do not locate sensitive high gain equipment such as preamplifiers or tape decks directly above or below this unit Because this amplifier has a high power density it has a strong magnetic field which can induce hum into unshielded devices that are located nearby This field is strongest just above and below the unit If an equipment rack is used we recommend locating the amplifier s at the bottom of the rack and the preamplifier or other sensitive equipment at the top The lightning bolt triangle is used alert the user to the risk of electric shock The exclamation point triangle is used to alert the user to important operating and or maintenance instructions Printed on recycled paper Page 2 Reference Manual DP5 0 Switching Power Amplifier HJH Service This unit has very sophisticated circuitry and should only be serviced by a fully trained technician This is why each unit bears the following label CAUTION To prevent electric shock do not remove covers No user serviceable parts inside Refer servicing to a qualified te
8. SWITCHING POWER AMPLIFIERS WITH PFC Amplifier DP5 0 The information contained in this manual is subject to change without notice No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording of any kind HJH Products Service Information Form Owner s Name s s isi s L L LLL LLL LLL Shipping address Street C a Name of Dealer 2 Full Address Nature of the problem Be sure to describe the conditions that existed when the problem occurred and what attempts were made to correct it If warranty has expired payment method Cash Check O Visa Master card number Signature Enclose this form with the defective unit Do not mail separately L Ts L DP5 0 Switching Power Amplifier DP5 0 Switching Power Amplifier ij LIMITED WARRANTY NOTES THE WARRANTY a A ee For a period of One 1 year from the date of delivery to the original purchaser as shown on the original invoice or sales receipt HJH International Group Limited warrants to the ORIGINAL OWNER of each product provided it was purchased at an Authorized HJH Dealer that it is free of defects in materials and workmanship and that each product will meet or ga ee exceed all factory published specifications for each respective model HJH agrees to repair or replace atits discretion all defective parts at no charge for labor or materials subject
9. VP switchesare located onthe rear panel The OVP Minimum Load Select switches Offer impedance matching so you can drive the DP5 0into 2 ohms without increased heat loss As stated earlier the DP5 0 can produce 2300 watts into both 2 and 4 ohms Use lower OVP settings when connecting to lower impedance loads as shown in table 1 As can be seen in table 1 the DP5 0can produce outputpower in excess of 2000 watts OVP SWITCH SETTING LOAD CONFIGURATION 5 dB 4dB 2 dB 0 dB 16 ohms Stereo 2 channel 220W 260 W 410W 650 W 8 ohms Stereo 2 channel 430 W 520 W 820 W 1300 W 4 ohms Stereo 2 channel 830 W 1000 W 1600 W 2300 W 2 ohms Stereo 2 channel 1660 W 2000 W 2400 W 2 2900 W 2 3050 W 1 3200 W 1 16 ohms Bridge mono 860 W 1040 W 1640 W 2600 W 8 ohms Bridge mono 1660 W 2000 W 2400 W 4600 W 4 ohms Bridge mono 3320 W 4000 W 4800 W 5800 W 1 Reference Manual Page 5 gt DP5 0 Switching PowerAmplifier J DP5 0 Switching PowerAmplifier J 13 Input Sensitivity Gain Operation The standard settings are 1 4V 32dB 26dB selection is independent foreach channel Use Operating voltage 14 15 16 17 this function to match the amplifier s sensitivity gain with the other connected equipment As option is possible adjust the unit for any sensitivity gain Note that every increase of the gain will decrease the S N ratio Mode operation switches Setup these switches for t
10. chnician Worldwide Service Service may be obtained from your local authorized service center To obtain service simply present your sales receipt as proof of purchase along with the defective unit to an authorized service center They will handle the necessary paperwork and repair Remember to transport your unit in the original factory packaging 1 When sending a HJH product to the authorized service center for service be sure to fill out the service information form that is enclosed at the end of this manual and include it inside your unit s shipping pack Do not send the service information form separately 2 To ensure the safe transportation of your unit to the authorized service center ship it in an original factory packing container 3 Do not ship the unit in any kind of rack Ignoring this warning may resultin extensive damage to the unit and the equipment rack Accessories are not needed Do not send the instruction manual cables and any other hardware Reference Manual Page 11 HJH SPECIFICATIONS DP5 0 Switching Power Amplifier MODEL DP5 0 Max output power RMS at 1kHz and 1 THD 8 per channel Watt 1800 49 per channel Watt 3300 2 per channel Watt 5000 8Q bridged Watt 6600 4 bridged Watt 10000 1 Note 1 Max output 4ohms bridge with burstsignal 100ms THD at 1kHz and 1dB below clipping 0 10 Slew rate 55V us Dampping Factor 1000 Sensitivity 26dB 32dB 1 4V Inp
11. e Two front panel precision 41 steps input attenuator adjust level for their respective amplifier So it REFORE CHANGING THIS SWITCH channels Minimum attenuation 0dB equals maximumoutput In the bridge mode both level 2 val l omon 2 attenuator must be at the same position We recommend that you set CH1 to the 0dB full i IN s lll IAAT e EN D position 5 i g CE serw no Wan ha med ovm GS eN A e 4 Signal bar LED 5 OR Sopo UUW UUU SU o pe ap neS GO Each channel hasa bar LED as the inputsignal strength increase the green SIGNAL 30dB 5 i4 24dB 18dB 12dB 9dB 6dB 3dB 0dB LED indicators light respectively Sog S ANNEN Parallel Mono Mode EA EAE CH 2 is notused in the mode 5 Clip Limiter LED Each channel hasa LED thatlight at the real clipping point more than 0 5 T H D and also indicates the inputsigned is compressed by amplifiers Figure 1 Page 4 Reference Manual Reference Manual Page 9 J DP5 0 Switching PowerAmplifier DP5 0 Switching Power Amplifier J Cooling Requirements 6 Protect LED Amplifier use aforced air cooling system to maintain a low even operating temperature Drawn by ainfinitely variable speed fans mounted inside the unit airenters through the front grills with dustfilter and courses through the cooling fins ofthe heatsinks which dissipates power transistor heat before exiting throughthe rear panelports Make sure that there is enough space around the front ofthe amplifier
12. ee if thereis any signof damage Upon unpacking inspect the amplifier if you detect any damage inform the forwarding agentwithout delay andask for the damage to bedocumented Claims can only be made againstthe forwarder agentby the consignee Be sure tosave the cartonand all packaging materials for the carrier s inspection It s a good idea to save the carton and packing material even if the amplifier has arrived in good condition Should you ever need to ship the unit back to service office or one of its Service Center Using only the original factory packaging will be the best way to save the unit from carriernegligence Installation Mounting All DXP models amplifiers are 2 rack space units that can mountin a standard 19 rack Four front panel mounting holes are provided Rear mounting ears give additional supportespecially important in mobile sound systems The unit shouldnot to be installed in alocation with Toohigh ambient temperature dust build up orexcessive humidity Fog machines output s oriented to the area of the amplifier e Exhaust air ventilatorsand similar units near the areaof the amplifier e With permanent vibrations e With excessive induction or magnetic fields due to tranformers and transmitters Power factor correction DP5 0 is aamplifier constructor touse power factor correction This unique feature ensures that a predominantly resistive load is presented to the mains power supply minimizing current distortion and
13. he desired operation mode Forreference see Figure 1 Speakon outputconnectors The unit has four Speakon connectorsas outputs CH1 and CH2 Every one permit the con nection of both channels for stereo operation or parallel mode For bridge operation the CH1 connector shouldbe used Forreference see Figure 1 A C Power cable The unit have one A C power cable Before connection be sure that the cableis not frayed or broken The connection must be made only ina plug with the electrical ground wire sys tem S N label Every unit hasa label indicating the model andthe barcode serialnumber Page 6 Reference Manual WARNING A labeljust below the mains cable onthe rear ofthe amplifier indicates the AC mains volt age for whichthe amplifier is wired Connect the power cable onlyto the AC source referred to on thelabel The warranty will not coverdamage caused byconnecting to the wrong type of AC mains DP5 0 switch mode amplifiers use primary switching The mains power is being rectified directly in frontof the transformer meaning thatthe power supplyis insensitive tothe mains frequency If the power plug is notappropriate for your country itcan be cutoff and wiredto a suitable connector in the following way BLACK or BROWN LIVE WHITE or BLUE NEUTRAL GREEN or GREEN YELLOW EARTH Once the AC connector is connected to asuitable AC supply the amplifier can be started with the power switch When you power up the amplifier it takes
14. sthat printed onthe rear ofthe amplifier Damage caused by connecting the amplifierto improper AC voltage isnot covered by any warranty Note always switch off and disconnectthe amplifier from mains voltage before making audio connections andas an extra precaution have the attenuators turned down during power up Reference Manual Page 7
15. to following provisions WARRANTY VIOLATIONS HJH shall take no responsibility for repair or replacement as specified under this warranty if the damaged product has te ee re as epee oss citar er tee a Te Seen ae ee a ree ae een ees EY been subject to misuse accident neglect or failure to comply with normal maintenance procedures or if the serial number has been defaced altered or removed Nor will HJH accept responsibility for or resulting from improper alterations or unauthorized parts or repairs This warranty does not cover any damage to speakers or any other RE consequential damage resulting from breach of any written or implied warranty HJH WARRANTY PROVISIONS ae EE ete ee tens eee ee eh eee HJH will remedy any defect regardless of the reason for failure except as excluded by repair or replacement HJH will remedy the defect and ship the product within a reasonable time after receipt of the defective product at an HJH Authorized Service Center TO OBTAIN WARRANTYSERVICE Be eg ee re ere se eres ve eee In the event that an HJH product requires service the Owner must contact HJH or an Authorized HJH Service Center to receive an R A N Return Authorization Number and instructions on how to return the product to the HJH Authorized Service Center or to the factory HJH or itsAuthorized Service Center will initiate corrective repairs upon receipt of the SA se eB a a ee ge ae ee returned product Please save original carton and all the
16. toallow air toenter andaround the units to allow the heated air to exit If the ampis rack mounted donot use doorsor covers onthe front and rear of the rack the air mustflow through the amplifier without resistance Note whatever type of rack youare using make sure that the heated air can escape freely and that thereis not resistance to the intake of cool airthrough the frontgrill Configuration Use the configuration switch and theinternal jumpers to configurate the amplifierto meet your requirements Thesetup must be done with the unit switched off With the switches and jumpers is possible to configurate the amplifier for the following functions Stereo Mode standard In stereo mode the channels operate independently withtheir input attenuators controlling the respective channel s level Recommended minimumnominal load impedance for stereo operation is 4or 2 Ohms per channel asindicated on the specifications Loudspeakers are connected to the speakon outputs CH 1 or CH2 For reference see Figure 1 Bridged Mono Mode In Bridged Mono mode both amplifier channels work withthe same inputsignal but with inverse phases Theresult is adoubling of the output voltage andthus double the power on the double impedance If the amplifieris to be operated in Bridged Mono mode ONLY one input may beused CH1 Werecommend that youset them tothe 0dB full position Loudspeakers are connectedto the speakon output CH 1 For reference see Figure 1
17. ut connectors XLR Female Link connectors XLR Male Phonejack Mode Switch Stereo Bridge Parallel Outut Conneet Speakon Operation voltage 230V 115V 98 242V Power factor cos Soft Start Yes Power mode PFC Switching power Dimensions Wx D xH Unit mm 483 x 471x 89 Packing mm 575 x 568x 163 Weight kg Net Weight 13 8 Gross Weight 17 8 Max output power 8Q Watt 1300 4Q Watt 2300 2 Watt 3200 The DP5 0 amplifierhas an automatic power factor correction system for a perfect main network interface The amplifier is a resistive load for the main network minimizing the reactive power and the harmonic distortion on the current The system allows perfor mance to be maintained even in circumstances of varying the mains voltage Page 10 Reference Manual DP5 0 Switching Power Amplifier J Introduction Congratulations on yourpurchase of aDP5 0 audio power amplifier We would like to thank you for yourconfidence in usand our products All the components were specially selected Although the amplifier was designed to allow straightforward and uninterrupted operation improper handling or incorrect installation could damage the power amplifier Your amplifier represents the latest technology in power amplifier design Please read this manual carefully asit contains information vital to the safe operation ofyour amplifier Unpacking Check the cartonbox and itscontents immediately tos
Download Pdf Manuals
Related Search