Home

Behringer A500 Reference Amplifier User Manual

1. Mono 80 1kHz 600 W Input Sensitivity 1 64V Distortion lt 0 01 Frequency Response 20 Hz 20 kHz 0 1 dB Voltage Gain 26 dB Damping Factor gt 220080 Input impedance 10 kQ unbalanced 20 kQ balanced Signal to Noise gt 100 dBA Front POWER switch GAIN control channel 1 and 2 Rear MODE switch POWER Blue LEDs CLIP per channel Red LEDs PROT per channel Yellow LEDs SIGNAL per channel 30 dB 6 dB Green LEDs SIGNAL per channel 3 dB 0 dB Yellow LEDs behringer com Connectors Inputs Balanced XLR 14 TRS RCA Outputs 14 TS connectors and touch proof binding posts Circuit protection Cooling Convection type Amplifier protection Short circuit and overload Output circuit type Class AB Power supply Voltage Fuses USA Canada 120 V 60 Hz T 10 AH 250 V UK Australia 240 V 50 Hz T5 AH 250V Europe 230 V 50 Hz T5AH250V Japan 100 V 50 60 Hz T10 AH 250 V Power consumption 660 W Mains connector Standard IEC receptacle Dimensions weight Dimensions H x W x D 19 x 10 85 x 4 482 6 x 257 5 x 101 6 mm Weight 18 5 Ibs 8 4kg BEHRINGER is constantly striving to maintain the highest professional standards As a result of these efforts modifications may be made from time to time to existing products without prior notice Specifications and appearance may differ from those listed
2. Please read the manual carefully and keep it for future reference 1 1 Before you get started 1 1 1 Shipment Your A500 was carefully packed at the factory and the packaging was designed to protect the unit from rough handling Nevertheless we recommend that you carefully examine the packaging and its contents for any signs of physical damage that may have occurred during transit Ifthe unit is damaged please do NOT return it to BEHRINGER Instead notify your dealer and the shipping company immediately Otherwise claims for damage or replacement may not be honored Always use the original packaging to prevent damage during storage or transport Make sure that no children are left unsupervised with the A500 or its packaging Please ensure proper disposal of all packing materials 1 1 2 Initial operation Make sure there is enough space around the unit for cooling To avoid overheating please do not place your amplifier near radiators and other equipment emitting heat Before plugging the unit into a power socket please make sure you have selected the correct voltage The fuse compartment near the power plug socket contains three triangular markings Two of these triangles are opposite one another The voltage indicated adjacent to these markings is the voltage to which your unit has been set up and can be altered by rotating the fuse compartment by 180 ATTENTION This does not apply to export models that were ma
3. to toggle between the two operating modes of your A500 Please power the A500 down using the POWER switch each time you change the operating mode Similarly only connect disconnect speaker connectors if the A500 has first been powered off 9 OUTPUT 1 OUTPUT 2 and BRIDGED MONO These are the speaker connectors of your A500 laid out as 14 TS mono connectors When in mono bridged mode only use the BRIDGED MONO output Keep in mind the minimum power impedance of 4 Ohms per channel in stereo mode When in mono bridged mode a loudspeaker whose impedance is at least 8 Ohms must be used In addition to XLR or 74 TRS connectors you can also use binding posts for connecting speaker cables When in mono bridged mode make sure to connect your cables to both middle connectors as shown on the unit itself FUSE SWITCH VOLTAGE SELECTION Before connecting the unit to the mains please check if the voltage selector corresponds to your local voltage When replacing fuses you should only use fuses of the same type and rating With some units the fuse switch can be put into two different positions in order to select between 230 V and 120 V operation Please bear in mind If you wish to use your equipment outside of Europe running on 120 V you will have to use a fuse with a higher Ampere value The mains connection is made via a standard IEC RECEPTACLE A matching cable is enclosed SERIAL NUMBER behringer com 3 Application E
4. IPT IT IS YOUR PROOF OF PURCHASE COVERING YOUR LIMITED WARRANTY THIS LIMITED WARRANTY IS VOID WITHOUT SUCH PROOF OF PURCHASE 2 Online registration Please do remember to register your new BEHRINGER equipment right after your purchase at behringer com under Support and kindly read the terms and conditions of our limited warranty carefully Registering your purchase and equipment with us helps us process your repair claims quicker and more efficiently Thank you for your cooperation 3 Return materials authorization Legal Disclaimer Technical specifications and appearance are subject to change without notice The information contained herein is correct at the time of printing All trademarks are the property of their respective owners MUSIC Group accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description photograph or statement contained herein Colors and specifications may vary slightly from product BEHRINGER products are sold through authorized dealers only Distributors and dealers are not agents of MUSIC Group and have absolutely no authority to bind MUSIC Group by any express or implied undertaking or representation This manual is copyrighted 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 for any purpose without the express written
5. Limited of Rue de Pequim No 202 A Macau Finance Centre 9 J Macau including all MUSIC Group companies 9 Products which do not meet the terms of this limited warranty will be repaired exclusively at the buyer s expense MUSIC Group or its authorized service center will inform the buyer of any such circumstance If the buyer fails to submit a written repair order within 6 weeks after notification MUSIC Group will return the unit C 0 D with a separate invoice for freight and packing Such costs will also be invoiced separately when the buyer has sent in a written repair order d Authorized BEHRINGER dealers do not sell new products directly in online auctions Purchases made through an online auction are on a buyer beware basis Online auction confirmations or sales receipts are not accepted for warranty verification and MUSIC Group will not repair or replace any product purchased through an online auction 5 Warranty transferability This limited warranty is extended exclusively to the original buyer customer of authorized retail dealer and is not transferable to anyone who may subsequently purchase this product No other person retail dealer etc shall be entitled to give any warranty promise on behalf of MUSIC Group 6 Claim for damage Subject only to the operation of mandatory applicable local laws MUSIC Group shall have no liability to the buyer under this warranty for any consequential
6. User Manual REFERENCE AMPLIFIER A500 Professional 600 Watt Reference Class Studio Power Amplifier behringer com 0 BEHRINGER 2 REFERENCE AMPLIFIER A500 User Manual ED Table of Contents Thank you esoreeneseveenesnneenesnnennennnsenennesenennesnnennensesenenneseneen 2 Important Safety Instructions cursorsonssnssonsonssnnsonennne 3 Legal Disclaimer eesevessvvensvensvenvensevennvennvennvensnnesnvensenenee 3 Limited Warranty ceseeseseveneeneennennesnnennennnsnnennesenennennnennee 3 1 Introduction esssossseessevessee 1 1 Before you get started TA Shipm ntusssuansmunnnmeasemdjidttevisransnett 5 1 1 2 Initial operation s eesseeesserssseressersssevssserssseessseessseensee 5 1 1 3 Online registration 2 Control Elements esesesssvessversneveneesnvesvessnessnvessnenesener 2 1 EE EA EE EEE EET ETAN 6 22 Ihe Da CK stars aussen 6 3 Application Examples eessvessvensvvesevessvessvensnvessvensesenee 7 31 Stereo Mode sesssssesccrscicecsccssesscsessssscaevsctavsssovecsonseeatcteenscabsevtes 7 3 2 Mono bridged MOE ssnssservssssevsssseressssressssrvessssressssersesse 7 4 Installation sscesscccsveceatsstccssteccscensscdscceassensconssabsccuescessees 8 4 1 Installation in a rack m esessererseresserssseresserssserssseresseresseresee 8 4 2 COMMECCIONS sazsseisierssssecsssasessedsessssecesatssauniarteanstdavsdesecussouseacts 8 4 3 Audio connections sreesseesserssserssseressersssersssee
7. be located in your vicinity you may directly contact one of our subsidiaries Corresponding contact information is included in the original equipment packaging Global Contact Information European Contact Information Should your country not be listed please contact the distributor nearest you A list of distributors can be found in the support area of our website http behringer com Registering your purchase and equipment with us helps us process your repair claims more quickly and efficiently Thank you for your cooperation 6 REFERENCE AMPLIFIER A500 User Manual ED 2 Control Elements 2 1 The front CHANNEL 1 REFERENCE ATIPLIFIER A500 Fig 2 1 Control elements in the front 1 The POWER switch is used to power up the A500 The POWER switch should 3 The PROT LED lights up whenever the protective circuitry mutes the speaker always be in its Off position when you connect the unit to the mains output Please turn your A500 off immediately whenever this LED is lit POWER LED lights up as soon as you power up the A500 The protective circuitry is activated if the amp gets too hot Let your A500 cool down alittle before you turn it on again Besides check if the Please note Merely switching the unit off does not mean that it heat sink has enough space around it to perform its job is fully disconnected from the mains When not us
8. dle the power load fed into through them behringer com 4 Installation 4 1 Installation in a rack Your A500 can be installed into a 19 rack and requires two rack spaces Please use four attaching screws and washers for installation Reinforce the back end especially for on the road use Please ensure that enough cool air reaches the rack especially if other rack equipment generates a lot of heat Due to its weight we recommend installing the A500 in the lower portion of your rack If you are installing several amps in a single rack you should leave some space between individual amps approx 1 height unit to allow for sufficient cooling The A500 has massive heat sinks on its side frame that guarantee reliable operation Never block air supply to these heat sinks because excessive heat may damage the components inside your amp Even though the protective circuitry guards the inside components from damage caused by excessive internal temperatures you should still double check where the amp is placed and inspect cable connections if you are experiencing thermal protection dropouts 4 2 Connections Inputs If you wish to use XLR connections for unbalanced input signals connect the unused pin on the XLR connector pin 3 with the ground No modification is needed if using mono jacks also see ch 4 3 Should you register distractive signals such as noise or hissing we recommend separating the amp input from the signal so
9. e left Use this operating mode to feed the output of both channels into a single 4 Ohm load Set the STEREO BRIDGED MONO switch 8 to BRIDGED MONO 8 REFERENCE AMPLIFIER A500 User Manual Please only connect the speaker using the BRIDGED MONO connector 9 or by using both of the middle binding posts a1 Always power the A500 down using the POWER switch whenever you make any changes to the operating mode settings Keep in mind the minimum load impedance of 8 Ohms in mono bridged mode BASS V AMP PRO 8 Ois O o O0000 000 o Input Channel 1 e g cI T UI REFERENCE AMPLIFIER A500 Fig 3 2 Mono bridged operation If your amp is overdriving for a longer period of time it may become muted for several seconds at a time Always select appropriate volume values to avoid overdriving Safety precautions for mono bridged operation A voltage of up to 60 V RMS is present between the output connectors of the A500 Always adhere to all appropriate safety precautions when connecting your speakers to avoid the risk of electric shock Running your amp in mono bridged mode puts both the amp and your loudspeakers under additional strain Excessive overdriving can result in premature shutting down of the unit itself or permanent damage to the speakers Make sure that your speaker impedance at least 8 Ohms and the cables you use can indeed han
10. er than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Use only attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid LA aaa injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 The apparatus shall be connected to a MAINS socket outlet with a protective earthing connection 16 Where the MAINS plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable Limited Warranty 1 Warranty 1 T
11. from this limited warranty in particular if caused by improper handling of the product by the user This also applies to defects caused by normal wear and tear in particular of faders crossfaders potentiometers keys buttons guitar strings illuminants and similar parts 6 Damage defects caused by the following conditions are not covered by this limited warranty e improper handling neglect or failure to operate the unit in compliance with the instructions given in BEHRINGER user or service manuals connection or operation of the unit in any way that does not comply with the technical or safety regulations applicable in the country where the product is used e damage defects caused by acts of God Nature accident fire flood etc or any other condition that is beyond the control of MUSIC Group behringer com 7 Any repair or opening of the unit carried out by 9 Amendment unauthorized personnel user included will void the limited warranty Warranty service conditions are subject to change without notice For the latest warranty terms and conditions and additional information regarding MUSIC Group s limited warranty please see complete details online at behringer com 8 Ifan inspection of the product by MUSIC Group shows that the defect in question is not covered by the limited warranty the inspection costs are payable by the customer MUSIC Group Macao Commercial Offshore
12. his limited warranty is valid only if you purchased the product from a BEHRINGER authorized dealer in the country of purchase A list of authorized dealers can be found on BEHRINGER website behringer com under Where to Buy or you can contact the BEHRINGER office closest to you m MUSIC Group warrants the mechanical and electronic components of this product to be free of defects in material and workmanship if used under normal operating conditions for a period of one 1 year from the original date of purchase see the Limited Warranty terms in 4 below unless a longer minimum warranty period is mandated by applicable local laws If the product shows any defects within the specified warranty period and that defect is not excluded under 4 MUSIC Group shall at its discretion either replace or repair the product using suitable new or reconditioned product or parts In case MUSIC Group decides to replace the entire product this limited warranty shall apply to the replacement product for the remaining initial warranty period i e one 1 year or otherwise applicable minimum warranty period from the date of purchase of the original product OD Upon validation of the warranty claim the repaired r replacement product will be returned to the user freight prepaid by MUSIC Group So 4 Warranty claims other than those indicated above are expressly excluded PLEASE RETAIN YOUR SALES RECE
13. ified Please use only one of the three input connectors per channel at any one time Here you will connect an output of your mixing console your HiFi preamp or another signal source Our rack mixing console EURORACK PRO RX1602 with its eight mono usable balanced stereo channels is an ideal choice for signal processing and source selection The connections for both channels are laid out as RCA XLR and 14 TRS stereo connectors The cinch inputs are intended for use with outputs laid out as unbalanced signals with a 10 dBV line signal level Because these inputs are more sensitive than others you can directly connect a CD player or a DAT recorder Of course this input can also be used for connecting mixing consoles and similar equipment The XLR and 1 TRS stereo connectors are laid out balanced but they too can of course be used to connect unbalanced signals Their sensitivity is 4 dBu also see ch 4 Generally speaking you should choose balanced over unbalanced signals in order to guarantee the highest noise protection Due to safety considerations the inputs can not be used in parallel However if you are using cinch and XLR or 14 TRS connectors simultaneously the cinch input is given preference and the other signal is muted Ifyou wish to use the A500 in mono bridged mode please only use one of the channel 1 inputs CHANNEL INPUT 2 These are the inputs for channel 2 The STEREO BRIDGED MONO switch is used
14. ing the unit for prolonged periods of time please unplug the unit s power cord from 4 The high precision power indicator gives out current signal strength the power outlet 5 The CLIP LED lights up when the signal is distorted Should distortion occur Your power amp should always be the last device you power up since reduce the input level so that the CLIP LED no longer lights up some equipment in the signal path creates strong impulses which are then amplified in the amp and are passed onto the loudspeakers possibly damaging them Consequently always let your power amp be the first device you power down 0 Ifthe CLIP LED remains being lit check the cable connection to the speakers because there might be a short on the speaker output 2 Each channel features a volume control Use it to adjust gain on your A500 Both volume controls should be turned all the way to the left whenever you power the unit up or down If an active signal is present on the input turning the volume down will protect your speakers and your ears from unwanted pops or transients 2 2 The back I P 3 O OD OUTPUT 1 HAr ERDE SERIAL NUMBER Fig 2 2 Control elements and connections in the back behringer com 7 REFERENCE AMPLIFIER A500 User Manual 6 CHANNEL INPUT 1 MONO Connect the signal source whose output needs to be ampl
15. nently damage it also see ch 2 under 1 FUSE SWITCH VOLTAGE SELECTION Before powering up the amplifier double check all connections and fully lower the gain settings 9 REFERENCE AMPLIFIER A500 User Manual 4 3 Audio connections i tage Bal d a TRS t Various cables are needed for different types of applications The following ONE nn illustrations show the correct wiring Always use high grade cables strain relief clamp IG sleeve Balanced use with XLR connectors sleeve Cc input ground shield 1 ground shield 2 hot ve n 3 cold ve 4 ola es tip 1 hot ve For connection of balanced and unbalanced plugs ring and sleeve have to be bridged at the stereo plug output For unbalanced use pin 1 and pin 3 have to be bridged Fig 4 3 4 TRS connector Fig 4 1 XLR connections tip tip Unbalanced TS connector shield nn lt Strain relief clamp lt 4 Sleeve Fig 4 4 Unbalanced connection using a cinch cable Fig 4 2 4 TS connector behringer com 10 REFERENCE AMPLIFIER A500 User Manual ED 5 Specifications RMS Power Stereo Mode both channels driven 80 1kHz 1 THD 125W 40 1kHz 1 THD 185W Bridged Mono 80 1kHz 1 THD 375W Peak Power Stereo Mode both channels driven 80 1kHz 175 W 40 1kHz 300 W Bridged
16. nufactured only for use with 120 V for example Ifyou alter the unit s voltage you must change the fuse accordingly The correct value of the fuse needed can be found in the chapter SPECIFICATIONS Faulty fuses must be replaced with fuses of appropriate rating only The correct value of the fuses needed can be found in the chapter SPECIFICATIONS behringer com Power is delivered via the cable enclosed with the unit All required safety precautions have been adhered to Please keep in mind that all your equipment has to be grounded at all times For your own protection never change or disable the grounding on your equipment or on the cables The unit should always be connected to the mains socket outlet with a protective earthing connection A Attention High volume levels can damage your hearing and your speakers Please turn down both volume controls to the minimum all the way to the left before you power up the amp Always make sure you use appropriate volume levels 1 1 3 Online registration Please register your new BEHRINGER equipment right after your purchase by visiting http behringer com and read the terms and conditions of our warranty carefully Should your BEHRINGER product malfunction it is our intention to have it repaired as quickly as possible To arrange for warranty service please contact the BEHRINGER retailer from whom the equipment was purchased Should your BEHRINGER dealer not
17. ons in the accompanying literature Please read the manual Caution To reduce the risk of electric shock do not remove the top cover or the rear section No user serviceable parts inside Refer servicing to qualified personnel Caution To reduce the risk of fire or electric shock do not expose this appliance to rain and moisture The apparatus shall not be exposed to dripping or splashing liquids and no objects filled with liquids such as vases shall be placed on the apparatus Caution These service instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions Repairs have to be performed by qualified service personnel EN CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIGUE NE PAS OUVRIR Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth nau BPwn Do not block any ventilation openings Install in accordance with the manufacturer instructions 8 Do notinstall near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat behringer com 9 Donot defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wid
18. or illustrated 11 REFERENCE AMPLIFIER A500 User Manual FEDERAL COMMUNICATIONS COMMISSION COMPLIANCE INFORMATION FC BEHRINGER REFERENCE AMPLIFIER A500 Responsible party name BEHRINGER USA Inc Address 18912 North Creek Parkway Suite 200 Bothell WA 98011 USA Phone Fax No Phone 1 425 672 0816 Fax 1 425 673 7647 REFERENCE AMPLIFIER A500 complies with the FCC rules as mentioned in the following paragraph This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer o
19. or indirect loss or damage of any kind In no event shall the liability of MUSIC Group under this limited warranty exceed the invoiced value of the product 7 Limitation of liability This limited warranty is the complete and exclusive warranty between you and MUSIC Group It supersedes all other written or oral communications related to this product MUSIC Group provides no other warranties for this product 8 Other warranty rights and national law 1 This limited warranty does not exclude or limit the buyer s statutory rights as a consumer in any way 2 The limited warranty regulations mentioned herein are applicable unless they constitute an infringement of applicable mandatory local laws 3 This warranty does not detract from the seller s obligations in regard to any lack of conformity of the product and any hidden defect 5 REFERENCE AMPLIFIER A500 User Manual 1 Introduction Balanced inputs and outputs Your BEHRINGER A500 features electronically servo balanced inputs exception RCA connectors 6 and 7lare intended only for unbalanced connections The automatic servo function recognizes when unbalanced jacks are connected and internally adjusts the nominal signal level so that no difference in the signal level between inputs and outputs exists 6 dB correction This manual first describes the terminology used so that you fully understand the A500 and its functions
20. permission of Red Chip Company Ltd ALL RIGHTS RESERVED 2010 Red Chip Company Ltd Trident Chambers Wickhams Cay P 0 Box 146 Road Town Tortola British Virgin Islands To obtain warranty service please contact the retailer from whom the equipment was purchased Should your BEHRINGER dealer not be located in your vicinity you may contact the BEHRINGER distributor for your country listed under Support at behringer com If your country is not listed please check if your problem can be dealt with by our Online Support which may also be found under Support at behringer com Alternatively please submit an online warranty claim at behringer com BEFORE returning the product All inquiries must be accompanied by a description of the problem and the serial number of the product After verifying the product s warranty eligibility with the original sales receipt MUSIC Group will then issue a Return Materials Authorization RMA number 4 REFERENCE AMPLIFIER A500 User Manual m Subsequently the product must be returned in its original shipping carton together with the return authorization number to the address indicated by MUSIC Group Shipments without freight prepaid will not be accepted 4 Warranty Exclusions This limited warranty does not cover consumable parts including but not limited to fuses and batteries Where applicable MUSIC Gro
21. r an experienced radio TV technician for help This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Important information Changes or modifications to the equipment not expressly approved by BEHRINGER USA can void the user s authority to use the equipment behringer com imagine music 0 BEHRINGER behringer com
22. ssserssseeesee 9 5 Specifications Thank you By purchasing an A500 you have obtained a high end reference amplifier It was developed for professional use in recording studios but at the same time it offers enough power reserves to be used in smaller live setups as well Its rich list of features will make it a dependable part of your equipment with a broad spectrum of possible uses The A500 features special circuitry that protects your speakers from transients during start up and your amp from overheating The amp is not put at any risk even if there is a short on its outputs Various operating modes such as parallel and mono mode open up different possibilities for effective implementation with the rest of your audio equipment leaving little to be desired behringer com 3 REFERENCE AMPLIFIER A500 User Manual Important Safety Instructions A A Terminals marked with this symbol carry electrical current of sufficient magnitude to constitute risk of electric shock Use only high quality commercially available speaker cables with Ya TS plugs pre installed All other installation or modification should be performed only by qualified personnel This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructi
23. up warrants the valves or meters contained in the product to be free from defects in material and workmanship for a period of ninety 90 days from date of purchase 2 This limited warranty does not cover the product if it has been electronically or mechanically modified in any way If the product needs to be modified or adapted in order to comply with applicable technical or safety standards on a national or local level in any country which is not the country for which the product was originally developed and manufactured this modification adaptation shall not be considered a defect in materials or workmanship This limited warranty does not cover any such modification adaptation regardless of whether it was carried out properly or not Under the terms of this limited warranty MUSIC Group shall not be held responsible for any cost resulting from such a modification adaptation This limited warranty covers only the product hardware It does not cover technical assistance for hardware or software usage and it does not cover any software products whether or not contained in the product Any such software is provided AS IS unless expressly provided for in any enclosed software limited warranty 4 This limited warranty is invalid if the factory applied serial number has been altered or removed from the product 5 Free inspections and maintenance repair work are expressly excluded
24. urce This way you can quickly determine if the noise originates in the equipment connected to the amp Always make sure to completely lower amplification of both channels before powering up the amp GAIN control turned all the way to the left Otherwise permanent damage to your speakers may occur Outputs Your A500 offers several output connection possibilities two 14 TS mono connectors and two pairs of touch safe binding posts In addition to both 14 TS mono connectors for individual channels the A500 also features an extra 14 connector for use in mono bridged mode Whenever possible use thick and short speaker cables to minimize power losses Never route output cables near input cables When using binding posts make sure that the wire insulation is not stripped more than what is necessary and that wires are completely inserted into the binding post so that no bare wire is visible Cable clamps must be isolated to avoid the possibility of electric shock When running the amp in mono bridged mode always use the middle two binding post connectors paying attention to correct polarity ATTENTION If you notice bare cable endings on the binding post connectors disconnect the AC mains and remedy the improper output connection before powering the amplifier on again Connecting to the mains Always connect your power amplifier to the voltage specified on the rear of the unit Connecting the amp to incorrect voltage can perma
25. xamples 3 1 Stereo mode In this mode both channels run independently with a separate input signal Connect passive loudspeakers preferably high quality studio monitors such as the BEHRINGER TRUTH B2031P Set the STEREO BRIDGED MONO switch 8 to STEREO to enable stereo mode Please use the POWER switch to power down your A500 before making any changes to the operating mode settings 0 Keep in mind the minimum load impedance of 4 Ohms per channel in stereo mode XENYX 2222FX Ctrl Room out 2 Input Channel 1 REFERENCE AMPLIFIER A500 0 Input Channel 2 TRUTH B2031P Fig 3 1 A500 in stereo operation Additional examples e Two independent mono signals e g instrument signal and monitor mix e Bi amp operation with the bass signal on channel 1 and the treble signal on channel 2 3 2 Mono bridged mode In this mode the voltages of both channels are added up and routed to just one loudspeaker This results in a doubling of voltage quadrupling of the peak power value and roughly trippling of the continuous power output on a single channel The input and the gain control on channel 1 are used in mono bridged mode Thechannel 2 control elements are not used ATTENTION To avoid cancellations due to internal phase inversion the GAIN control on channel 2 must be turned all the way to th

Behringer A500 Reference Amplifier User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents