B&K AV2600 User's Manual
Contents
1. IEE EE A heiet te AiE eale te Ali 2 ee BACKPANEL JUMPERS MA Figure 6 JUMPERS When reconfiguring the AV2600 to NOT USE the level control simply move the desired jumper from the VOL default and place it across the NO VOL pins Note the level control should be disabled for each paralleled amplifier channel JUMPER SETTINGS Figure 6 illustrates the jumper modules used in configuring each channel Each amplifier channel has a jumper terminal location that is conveniently labeled for easy verification of its current configuration JUMPER JUMPER CHANNELS 1 2 Figure 7 HIGH CURRENT MONO USAGE The AV2600 has up to six output channels that may be paralleled mono This feature allows the amplifier to increase its output power into lower impedance speakers Set all AMP ON L R and BUS DIP switches to the ON position for the desired channels Set the SENSE DIP switches to the OFF position for these channels Place me volume Jumpers for these channels to Use the NO VOL jumper terminals L o o 2 o o o o 2 2 2 JUMPER JUMPER JUMPER JUMPER JUMPER JUMPER CHANNELS 5 AND 6 CHANNELS 3 AND 4 CHANNELS 1AND2 JUMPER SHORT JUMPER Figure 8 The desired speaker output terminals on the AV2600 rear panel must now be paralleled in order to complete the setup Con2. aletli 10 Gare and Ge T ME akran siren Besir edine ler lida kl Sale 10 Specifications oes coved ike nen yla a e nn aa nn nun len k kn inik se 11 Limited Wana e SDU 12 Returning Eq ipiment lan ami adile ilan aaa AA Bam nal gl a alin z asla sal ya 12 WWW BKCOMP COM sa ni n ne ikmali a kalan 13 ill SAFETY PRECAUTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN PLEASE READ BEFORE INSTALLING WARNING to prevent fire or shock hazard do not expose this unit to rain or moisture Care should be taken to prevent objects or liquid from entering the enclosure Never handle the power cord with wet hands The lightning flash with arrowhead within an equilateral triangle is intended to alert the user of the presence of uninsulated dangerous voltage within the product s enclosure that may constitute a risk of electric shock to you e The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the unit e Caution To prevent the risk of electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel e Unplug the amplifier from the AC outlet when plugging in or unplugging cables when left unused for an extended period of time moving the amplifier or when you suspect lightning in your area
3. e Prevent damage to the power cord Do not bend pull place objects on alter etc Replace the power cord if it becomes damaged Always grasp the plug on the power cord when plugging in or unplugging the amplifier from the AC outlet e Your system may produce sound levels capable of causing permanent hearing loss Do not operate for extended periods of time at high volume levels e Make sure the amplifier is placed on a level surface e The amplifier is equipped with raised feet to provide ventilation reduce acoustic feedback and provide protection against scratching the surface the unit is resting on We advise against removing or altering feet e Do not stack anything on top of the amplifier processor source etc Leave a minimum of 2 clearance from the top of the amplifier to the next shelf or component to insure proper ventilation e The amplifier should be located away from other sources that may be sensitive to heat Do not perform any internal modifications to the amplifier Always connect the amplifiers power cord to an unswitched AC outlet for normal operation e If young children are present adult supervision should be provided until the children are capable of following all rules for safe operation Do not plug the amplifiers power cord into an outlet with an unreasonable number of other devices Be careful if using extension cords and ensure the total power used by all devices does not exceed the power rating
4. watts amperes of the extension cord Excessive loads may cause the insulation on the cord to heat and possibly melt Mistaking CONTROL OUTPUT or CONTROL INPUT connectors for audio video inputs or outputs may damage your amplifier or other components e Damage can occur to your speakers if the power rating of each individual driver is exceeded by the amplifier Ensure that all the drivers in your system are capable of handling not only the average power being delivered by the amplifiers but also the peak power that is likely to be generated during strong passages If you are unsure of your speaker s power rating contact the speaker manufacturer or the dealer where you purchased them amplifier should be serviced by qualified personnel when A The amplifier is not functioning properly B Objects have entered the chassis C The amplifier was exposed to rain or other type of moisture D The amplifier was dropped or the chassis is damaged PURPOSE AND FUNCTION The AV2600 is an integration of a stereo audio distribution BUS with six compact and efficient 60 W power amplifiers Each pair of amplifiers have DIP switches that allow system configuration for use with either mono stereo and muting control via a Master or Local control input Additionally there is support for paralleling multiple speaker output channels to allow greater output current capability It is clear the AV2600 is designed to allow flexibility and functionality
5. 800 543 5252 or 716 656 0026 Fax 716 656 1291 E mail info bkcomp com Web www bkcomp com 12 WWW BKCOMP COM B amp K Components Ltd 2100 Old Union Road Buffalo New York 14227 Phone 716 656 0026
6. channels is set via this control 6 Master control input output The AV2600 is designed to provide control for single switching of the amplifier audio mute on off feature on any pair of amplifier channels 1 2 3 4 or 5 6 with it s DIP switch MASTER set to ON The control input circuit is designed to work as Tip Pos and Ring Neg A control source capable of sourcing a minimum of 5 VDC 1 mA is recommended and is compatible with up to 24V AC or DC The Master control output DOES NOT source any voltage directly it will only PASS through the input voltage at it s input 7 Bus inputs and outputs In a similar fashion to the Master control input the AV2600 has a provision for a stereo audio distribution BUS This BUS allows stereo inputs to source audio to amplifier channels 1 2 3 4 or 5 6 when the DIP switch BUS is set to ON Simultaneously buffered BUS stereo audio outputs are provided to allow audio distribution and system expansion 8 AC Input receptacle Connect the supplied AC power cord to the amplifier 9 Speaker outputs Five way binding post terminals allow support for various speaker wire termination To prevent damage to the speakers or amplifier always verify there is no possibility of shorting multiple speaker terminals together DIP SWITCH SETTING Each pair of amplifiers have their own set of four DIP switches The function of each switch is described below AMP ON ON i
7. B amp K Simply BETTER B amp K Components Ltd AV2600 Owner s Manual P N12930 0802 B amp K Components Ltd 2100 Old Union Road Buffalo New York 14227 2725 Phone 1 800 543 5252 or 716 656 0026 Fax 716 656 1291 E mail info bkcomp com Web www bkcomp com 11 TABLE OF CONTENTS Table Of Contents PRBFERREEFEERNERNEHRAREREHENTERHESFEFRELTREGFTEHERFEHTELEFELETESITELDTTELTNTTERTLTELTLSLENTERLTELTETLERTERERFELTTTTTESETERSTEFTTE iii Safety Precautions anlaya 1 Purpose and FUNCTION issi iman isra see a ne AA G BKK a AM an 2 Features denen Dana adada aya 2 Rear Panel ViGw visicsiscsciicessissuscschisiapaciessuacenedeaeaedenadseessaesheausndchantedusnedsseeicasinacssdeavasdeasiedenishacshintastieestacins 3 DIP Switch Setting arassa ilani daa didi danla 4 Channel Control 6 MUA 5 Master Control 5 Muting a 5 Level Control EEE 5 Input Connections ee ee er ee een en 6 O tp t Connections NERDPEFASFPRREIEUURERFERELERESEEELESPERESTEEEETESEESFEEESTEEERFEEESEELEESTEFEFFEEUFTETEFTTERTSTFERELEEFELTEFELSPEEEEPECEEFERERSE 6 ak aa gd 7 Jumper Settings naeh 7 High Current Mono setucdensannnanns 8 System INSA NAN WIKI 9 Making the Connection wi ha ee 9 Troubleshooting aram
8. TAL EXEMPLARY PUNITIVE OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH THE PURCHASE USE OR PERFORMANCE OF ANY B amp K PRODUCT This warranty gives you specific legal rights Your may also have other rights which vary from State to State Some States do not allow the exclusion or limitation of incidental or consequential damages and the foregoing exclusions may not apply to you No agent representative dealer or employee of B amp K has the authority to increase or alter the obligations or terms of this warranty RETURNING EQUIPMENT No equipment may be returned to B amp K Components Ltd without a RETURN AUTHORIZATION RA Should you find it necessary to return equipment to B amp K for any reason a RETURN AUTHORIZATION RA number must be issued by B amp K in respect of the equipment being returned You may request an RA number by calling B amp K at the numbers below We will need the following information to issue your RA number Please have it ready before you call Your name address and phone number The model and serial number of the equipment being returned A description of the problem being experienced Your sales receipt PON Your call will be referred to a Technical Service Representative who will work with you to resolve the problem If it is determined that the unit must be returned for repair an RA number will be issued B amp K Components Ltd 2100 Old Union Road Buffalo New York 14227 2725 Phone 1
9. bserve correct polarity in all theses connections Example If you connect your left output of your preamplifier to channel 4 input on the amplifier remember to connect your left speaker wires to channel 4 s outputs Always observe polarity when connecting speakers connect amplifiers to the speakers and amplifiers to speakers Double check all connections Connect a playback unit CD DVD VLD Tuner etc to the preamplifier Turn on the preamplifier turn the volume on the preamplifier to a minimum level and then turn on the amplifier in that order Set the source on the preamplifier to the playback unit you ve just connected Turn the volume up slowly and listen for music from all channels If this is not the case and you don t hear any sound double check your installation Should you encounter any problem that cannot be traced to the source or the material being played consult the TROUBLESHOOTING section on page 10 Note When turning equipment off the amplifier should always be turned off first then the preamplifier Before turning anything on insure the preamplifier is at a low volume level TROUBLESHOOTING PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION No sound on LED Power cord not plugged in 1 Reconnect power cord not illuminated Power off at AC source 2 Check AC switch or fuse AC power inlet fuse blown or faulty 3 Check for shorts or overloading No sound on some Speaker l
10. ce 33 2 k ohms Current peak to peak 16 Amps Power consumption 450 watts max 4 6 Amps max current draw 30 watts no input Replacement fuses Line 8 Amp 250 Volt Slow Blow Rails 6 Amp 250 Volt Slow Blow Specifications and design are subject to change at any time without notice 11 LIMITED WARRANTY B amp K Components Ltd referred to herein as B amp K warrants your B amp K equipment against all defects in material and workmanship for a period of five years from the date of purchase This warranty applies only to the original purchaser and only to equipment in normal residential use and service Defective equipment must be returned to B amp K prepaid accompanied by proof of purchase and sufficient payment to cover the cost of return shipping and handling and will be repaired or replaced at the discretion of B amp K whose decision as to the method of reparation will be final This warranty shall not apply to any equipment which is found to have been improperly installed incorrectly fused misused abused or subjected to harmful elements used in any way not in accordance with instructions supplied with the unit or to have been modified repaired or altered in any way without the expressed written consent of B amp K This warranty does not apply to the cabinet or appearance items such as the faceplate or control buttons nor does it cover any expenses incurred in shipping the unit to and from the manufacturer s servi
11. ce depot This warranty on B amp K Components Ltd products is NOT VALID if the products have been purchased from an unauthorized dealer or an E tailer or if the original factory serial number has been removed defaced or replaced in any way B amp K Components Ltd sells its products through authorized dealers in order to insure that consumers obtain proper dealer service and support Buying from an authorized B amp K Components Ltd dealer insures that you have a FACTORY WARRANTY on your B amp K Components Ltd product If you have any questions concerning your Factory Warranty call B 8 K Components Ltd at 716 656 0023 Upgradability B amp K is one the first manufacturers in the audio video industry to consistently offer software and hardware upgrades to its processing of audio signals Through upgrades B amp K delivers exceptional value to its customers But what is Upgradability Upgradability is not a guarantee we define it as a philosophy of designing and manufacturing products so that as audio technology evolves B amp K can provide enhancements and improvements to its products that are economically viable THE EXPRESS FACTORY WARRANTY HEREIN CONTAINED IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY UPGRADABILITY OR OF FITNESS FOR ANY PARTICULAR PURPOSE B amp K COMPONENTS LTD SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR DAMAGES INCLUDING SPECIAL INCIDEN
12. ding custom length audio cable is not your strength you dealer should be able to help you with that as well When possible use a separate AC power line for the amplifier one that is not shared by any other household component THIS IS VERY IMPORTANT Tip Take a piece of string longer than the longest cable run and mark it at each foot of length Then do a mock cable run using the string dressing it neatly along the way Count the divisions to the next full foot and add one foot to all for some movement of the components This will provide you with ideal cable length MAKING THE CONNECTION Before doing anything insure that the power switch on the amplifier s front panel is in the off position Again it is recommended that you locate a separate AC power outlet for the amplifier one that is not shared by any other audio component in the system or any other household component This will eliminate the possibility of the amplifier modulating the power being supplied to the component and compromising the signal originating from that component Locate the AC power cord provided with the amplifier and plug it into the power input receptacle in the rear panel Do not connect it to the AC power source yet Connect the audio cable from your preamplifiers output to the corresponding input connector on the amplifier Connect the wire from your speakers to the appropriate outputs on the amplifier It is absolutely essential that you o
13. eads loose or faulty 1 Tighten repair or replace cable or all selected Line stage to amp cables loose or 2 Tighten repair or replace cable channels on LED faulty illuminated Source to line stage cables loose 3 Tighten repair or replace cable or faulty Line stage or source not correctly 4 Check all switch settings selected Sound lacks 1 Speakers connected out of phase 1 Check all connections making sure that direction bass cables are connected to and to weak Loud hum or buzz 1 Poor ground connection in inter 1 Check all connectors and repair as on one or more connect cables necessary channels Channel sounds 1 Blown rail fuse 1 Replace blown rail fuse inside amplifier distorted and low output Note If unit continues to blow power inlet fuses DO NOT USE A HIGHER RATED FUSE please contact customer service to have the unit serviced CARE AND CLEANING Under normal use the amplifier will not require any special care Clean the exterior of the unit by wiping it with a damp cloth to remove any dirt or dust that accumulates Do not let any liquid enter the amplifier through its vents or top cover It is recommended that the connectors on the rear panel be cleaned annually using isopropyl alcohol 10 SPECIFICATIONS Power Rating 8 ohms 60 watts 1 kHz 4 ohms 80 watts 1 kHz THD S N 0 09 1 kHz Frequency response 5 Hz 45 kHz Input sensitivity 0 77 Volts Input impedan
14. er amplifiers REAR PANEL SER A C LINE VOLTAGE PLUS MINUS PLUS MINUS PLUS MINUS PLUS MINUS PLUS MINUS 8 9 Figure 1 1 AC fuse holder 6 Master control input output 2 Channel control input output 7 Bus inputs and outputs 3 Dip switches 8 AC input receptacle 4 Channel inputs and outputs 9 Speaker outputs 5 Channel level control 1 AC fuse holder The AC Line fuse The fuse is an 8 Amp 250 Volt Slow Blow fuse Replace with same type and value fuse only 2 Channel control input output Each pair of amplifier channels has its own 1 8 mini control input output pass through Local control jack to provide remote switching of the amplifier audio mute on off feature The control input circuit is designed to work as Tip Pos and Ring Neg A minimum of 5VDC 1 mA is recommended and is compatible with up to 24V AC or DC 3 Dip switches Each pair of amplifier channels has its own DIP switches that are used to configure the audio signal Local or BUS mono or stereo and muting control 4 Channel inputs and outputs Each pair of amplifier channels has its own Local set of audio input output pass through RCA connections Typically used for connecting signal patch cables interconnects from the preamplifier to the amplifier 5 Channel level control Each pair of amplifier channels has its own DUAL input level control The level of both amplifier
15. igned to accept a banana type plug or spade lug connector shown below and are color coded for easy identification The red post should always be connected to the speakers connection The black post should always be connected to the speakers connection Spade Connector Banana Jack Figure 4 Typical amplifier hookup SPEAKER SPEAKER SPEAKER SPEAKER SPEAKER SPEAKER LEVEL CONTROL DEFEAT The following procedures should only be performed by a qualified technician Each pair of amplifier channels have their own Local level control that may be bypassed to allow paralleling output channels The jumper modules are located inside the unit on the circuit board just behind the level controls Figure 6 shows how jumpers are used to configure the AV2600 amplifier level controls enabled Rearranging these jumpers allows configuring the amplifier for use without a level control required for proper operation using paralleled output channels 287 Bu sm GK Ae ee M R ven er aa aiea NERANG IL iKi w EN NONE m m Tri d f l dii El amp i R tee ame eats EO far eile Ka ee
16. in the design of Multi Zone power system applications The term versatile is almost inadequate to describe the multitude of operational modes the AV2600 is capable of providing Below are just a few of the tasks the AV2600 may be configured to perform e The most obvious example allows for three stereo audio input pairs to power three pairs of amplified speaker outputs This is the default factory configuration e Using the audio distribution BUS DIP switches allow independent configuration for up to 3 pairs of mono or stereo with independent automatic audio sense muting per amplifier output pair e The availability of both Local and BUS audio outputs allows for a number of units to be cascaded for easy and efficient system expansion FEATURES Toroidal Transformer Efficient high current power delivery for improved dynamics Computer Grade Capacitors Large capacity computer grade electrolytic capacitors for high transient power delivery and extended low frequency control Limited Protection Increased Safe Operating Area and thermal overload allows for continuous duty unattended use Gold Plated Connectors Improved connections for better sound and minimized signal loss and degradation 1 Metal Film Resistors Low noise precision resistors offer a cleaner more repeatable sound quality High Current Circuitry More accurate and three dimensional reproduction of source material with sonic fidelity usually found only in larger pow
17. nect the terminals for all desired channels together using jumper wires not supplied with the amplifier Finally connect a speaker cable from one of the paralleled amplifier channels to the speaker terminals Input the signal source into the audio BUS input The illustration below shows an example of two channels connected in parallel OUT 6 OUT 5 OUT 4 OUT 3 MINUS PLUS MINUS PLUS MINUS PLUS MINUS PLUS MINUS SPEAKER Figure 9 FROM PREAMPLIFIER LEFT OUTPUT FROM PREAMPLIFIER RIGHT OUTPUT Figure 10 SYSTEM INSTALLATION There will most likely be a number of cables involved in the installation of your home entertainment system Preplanning is essential in order to maximize system efficiency We recommend the following as a means of helping you reach that goal Make a diagram of your proposed system by laying out the relative location of each component in the system Then lay out the proposed cable runs between them Number each cable and record its length on the diagram for future use Cable runs are critical in that they must be kept away from the sources of power radiation amplifiers power cords heaters appliances etc For safety reasons they should also be kept out of traffic areas The process of optimizing the system will include the type of cable the length of the run and the obstructions it must deal with along its run Your dealer can advise you on the products available and their relative merits If buil
18. ono signal source for both amplifier channels L ini When mono is not desired or independent channel amplification of the amplifier pairs is necessary EEE the L R switch must be set to the Off position BUS OFF is the factory default setting for all amplifier pairs Amplifier pairs channels 1 2 3 4 and 5 6 with DIP switch BUS set to ON have their inputs m A sourced from the audio signals present at the BUS inputs When the BUS feature is not desired and the amplifier pair is to be sourced at the Local audio inputs the BUS switch must be set to the Off CHANNEL CONTROL amp MUTING Each pair of amplifier channels has its own 1 8 mini control input output pass through jack to provide remote switching of the amplifier audio mute on off feature The control input circuit is designed to work as Tip Pos and Ring Neg A minimum of 5VDC 1 mA is recommended and is compatible with up to 24V AC or DC A preamplifiers control output such as is provided with B amp K series preamplifiers can be utilized to provide a control signal to the AV2600 When Local channel control muting is desired the proper DIP switch configuration must be set MASTER CONTROL amp MUTING The AV2600 is designed to provide for single switching of the amplifier audio mute on off feature on any pair of amplifier channels 1 2 3 4 or 5 6 with it s DIP switch MASTER set to ON The Master control outp
19. s the factory default setting for all amplifier pairs Amplifier pairs with DIP switch AMP set to ON have the remote Master and Channel switching of Hay the amplifier audio mute on off feature disabled When remote amplifier audio muting is desired by EEE either the Master or Local Channel control input the AMP switch must be set to the Off position 55 SENSE OFF OFF is the factory default setting for all amplifier pairs Amplifier pairs with DIP switch SENSE set to ON have the remote Master and Channel switching of KX the amplifier audio mute on off feature disabled Amplifier pairs set to use SENSE will mute L L automatically after a delay of three minutes once no audio signal has been detected The sense circuit monitors the amplifiers selected audio i e Local or BUS mono or stereo When remote amplifier audio muting is desired by either the Master or Local Channel control input the SENSE switch must be set to the Off position When the AMP ON feature is desired or automatic muting of the amplifier pairs is not desired or if the audio signal is erratic the SENSE switch must be set to the Off position L R OFF is the factory default setting for all amplifier pairs Amplifier pairs with DIP switch L R mono set to ON have the sum of the selected audio inputs 5 i e Local or BUS processed into a composite m
20. ut is a pass through of the Master control input The control input circuit is designed to work as Tip Pos and Ring Neg A control source capable of sourcing a minimum of 5 VDC 1 mA is recommended and is compatible with up to 24V AC or DC The Master control output DOES NOT source any voltage directly it will only PASS through the input voltage at it s input Note When an 1 8 mini plug is inserted into the Local amplifier pairs CTRL IN jack the Master Control signal is automatically disabled for that amplifier pair If more than one AV2600 or other units are to be controlled the control signal can be expanded to include each successive unit by simply running a 1 8 mini cable from the CTRL OUT connector of the first amplifier to the CTRL IN connector of the next unit commonly referred to as daisy chaining Note A control voltage is for muting control only Each amplifier must be connected to its own source of AC power in order for it to operate LEVEL CONTROL o Louder Softer Figure 2 Each pair of amplifier channels have their own Local level control It may be used to equally attenuate the level for both amplifiers pairs The level controls may be reconfigured so that they are bypassed recommended for high current output paralleling applications by moving the jumpers inside the unit See AV2600 s internal volume selection Default from the factory the level controls are set to full clock
21. wise no attenuation Note there is a single level control for each pair of amplifiers 1 2 3 4 and 5 6 therefore care should be taken in the assignment of the audio signal source when used in applications when there is no relationship between the two amplifier pairs i e separate source material one from a DVD player the other from a VCR Another example might be when using 4 ohm and 8 ohm speakers together the 4 ohm CH 1 speaker may sound louder then the 8 ohm CH 2 speaker when set to the same level INPUT CONNECTIONS Each pair of amplifier channels have their own Local input and output RCA connectors The inputs are designed to accept line level audio from a preamplifiers unbalanced output connectors Output expansion is accommodated with the supplied output connectors These outputs are effectively a direct pass through from the inputs RCA connector Typical input setup TO 2ND AMPLIFIERS LEFT INPUT FROM PREAMPLIFIER A s LEFT OUTPUT FROM PREAMPLIFIER B s LEFT OUTPUT FROM PREAMPLIFIER B s RIGHT OUTPUT TO 2ND AMPLIFIERS RIGHT INPUT FROM PREAMPLIFIER A s RIGHT OUTPUT Figure 3 Figure 3 shows Local OUT 1 and 2 connections and how they may be used to connect to another amplifier OUT 1 source is the same signal as IN 1 OUT 2 source is the same signal as IN 2 BUS inputs are buffered and sent to the BUS outputs OUTPUT CONNECTIONS Five way binding posts are provided One pair for each channel They are des
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