Bogen X300 User's Manual
Contents
1. a a i a nanii 1 PANEL DESCRIPTIONS s200000000r000000000n0000nne000neeenonennsnnennsnesesnnenssnnenssnenesnnenssnenenen 2 3 Black Max Front Panel nee enges 2 Black Max Rear Panel sistema 3 INSTALLATION 4 5 Mechanical Components 4 Ventilation en er 5 Rack EEE 5 Rear Rack iii ste 5 Table Mounting versinn Rs Ra 5 ra ENNE EENEN EEREN EE EA E ENE 6 SI I AEE EEE EEA EEE EA ONE ERARE OREN 6 EEE PR N TS 6 SEQUENTIAL TURN ON ea BER ESS 7 Sequential Turn On Operation sn 7 OPERATION 22rs2000r00000e000nesesnnennsnerensnesesnnsnnsnssensnsnnsnnsnnsnnsessnnsssnnssssnnsessnnsssnnnsssnnsesnnnen 8 9 Front Controls amp Indicators Rear Controls amp Indicators TROUBLESHOOTING fscconiscccssccscdeeieclaseccsccsecescnsdecceusvenetsvewecesovcevesocceceed ecousseceussseeeveseccees 10 SPECIFICATIONS tin initiale dust 11 Bogen s Black Max amplifiers deliver on what professional sound installers need most Power and Reliability Power With three different models X600 X450 and X300 the Black Max series provides 2 independent channels of amplification at 600W 450W and 300W per channel into 70V constant voltage speaker loads safely and secure ly Located on the rear of the amplifier are the Level Controls Low Cut Filter Switch and pluggable input ter minal strip for each amplifier2. channel These amplifiers are powerful with total system power of 1200W 900W and 600W with both channels driven but they are also compact using up only 2 rack spaces 3 1 2 in a standard 19 rack Reliability and Functionality Driven by a conservatively rated toroidal power transformer these amplifiers are built for solid performance with low distortion and a high slew rate The amplifiers require little maintenance and cleaning as internal elec tronic components are located outside of the forced air stream flow Front mounted fan filters provide easy removal and cleaning Black Max amplifiers have a variety of electronic protection circuits including overcurrent DC voltage and ther mal circuits A special Clip Limiting circuit continuously monitors the amount of distortion in the output signal and reduces input levels as the amplifier approaches clipping Back Slope AC Voltage Stabilization Bogen s unique voltage stabilization circuitry regulates the AC energy supplied from the power toroid This improves both system performance and reliability despite varying AC supply conditions An energy conserving sleep mode defeatable with instant on return signal operation reduces wasted heat production in paging systems with intermittent use In addition large output heatsinks and dual independently controlled high output variable speed fans provide superior cooling and quiet operation while reducing dust accumulation A simple an
3. the switch is set to the OFF position the amplifier will power up and down CM conventionally when the front Power Switch is turned ON and OFF OFF ON To use the sequencing feature built into the amplifier the Power Sequencing Switch must be placed in the ON position on a slave ampli fier The slave amplifier will now power up when it receives the proper trigger through the terminal strip wiring see section Sequential Turn On Wiring for proper wiring of the power sequencing terminal strip With the Power Sequencing Switch in the ON position placing the front Power Switch in the ON position will not result in the amplifier turn ing on It will instead remain in a standby state until triggered through the sequencing feature Power Status Indicator A Power Status Indicator is provided on the rear of the amplifier The Black Max amplifier has different states of powering up depending on whether power sequencing is used or not The Power Status Indicator POWER STATUS MBER Stand By provides 3 different status indications OFF No Power Al GREEN Active Not Lit Indicates that the unit is not plugged in or is not being supplied AC power at the line cord Amber Indicates that the unit is in standby state where it is being supplied with AC power at the line cord but it has either 1 not received the sequencing trigger that will allow it to change to the fully powered state if the Power Sequencing Switch is set to ON or 2 the f
4. 10 AWG wire or spade lugs for speaker system connections 10 Fan Exhausts Cooling air outlets for independent variable speed cooling fans 3 Installation Front Casting Mechanical Components 1 Rack Ears Prior to installing the amplifier in to a 19 rack you will need to attach the rack ears Remove and save the 6 front most cover screws on each side panel of the amplifier Position the rack ears as shown and attach using the 6 screws 2 Dust Filter Insert the dust filter into the fan grille before attaching the fan grille to the amplifier Filter Maintenance Dust filters are provided with the Black Max amplifier to reduce the build up of dust on the heatsinks Periodic cleaning should be done when there is a noticeable build up of dust on the filters To clean the filters remove them from the grilles and wash vacuum or tap them out Promptly replace them Caution fan blades are accessible when the grille cover and filter are removed Be careful not to place your finger or other objects into the fan 3 Fan Grille To attach the fan grilles first slide the tabs on the wider end of the grille in to the notches in the front center casting Snap the other end of the grille in to the snap slots Check that the grille is securely in place To remove pry the end of the cover closest to the rack ears up until the snap tabs disengage Ventilation The Black Max amplifiers were designed to be p
5. Black Max Amplifier X300 X450 amp X600 Models Installation and Use Manual x a Bo RAR Communications Inc rights reserved 54 2063 01R2 0109 Notice Every effort was made to ensure that the information in this guide was complete and accurate at the time of printing However information is subject to change Important Safety Information WARNING To Reduce The Risk of Fire Or Electric Shock Do Not Expose This Apparatus To Rain Or Moisture Always follow these basic safety precautions when installing and using the unit Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth NT ES UD a dance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider 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 a
6. amplifiers contain a sequential turn on feature that is designed to turn on a bank of Black Max ampli fiers one at a time in sequence with approximately 1 second between each amplifier This type of sequencing of power is necessary in large systems where the in rush current of all the system amplifiers turning on at once would overload the AC mains supplying the system The first amplifier in the chain will act as the master amplifier controlling the power up for the group When it is switched on it will initiate the power up sequence To prepare wire multiple Black Max amplifiers for sequential turn on operation do the following Preparation amp Wiring Turn off all amplifiers and unplug from AC The amps should be wired together in a daisy chain fash ion Wire the XMT connections of one amp to the RCV connections of the next amp as shown in the diagram This pattern is continued until all the desired amplifiers are connected The last amplifier in the chain has no con POWER OFF No Power Sequence Power Stare em ER ii switch in OFF position nections on its XMT terminals and the first amplifier has AMP 1 no connection to its RCV terminals Master Note The RCV and XMT terminals have both polarity and number indicators In daisy chaining the amplifiers the same connection pattern is used Pin 4 XMT of the previous amp to Pin 2 RCV of the next amp and Pin 3 XMT of the previous amp
7. cies below 60Hz 2nd order to prevent saturation of speaker transformers Flush switch actu ators reduce tampering 4 Automatic Sleep Mode Allows the unit to automatically put itself into a sleep mode when there has been no input activity for more than 3 minutes In sleep mode the amplifier s idle power is greatly reduced The amplifier immediately and noiselessly returns to its full powered state when a signal is detected at an input Flush switch actuators reduce tampering 5 Power Sequencing Inputs Multiple Black Max amplifiers can be wired together in a daisy chain to allow for controlled sequential power up A pluggable terminal strip is provided for easy installation 6 Power Sequencing Switch Turns power sequencing on or off so that an amplifier can be controlled by either its front circuit breaker switch or by another Black Max amplifier Flush switch actuators reduce tampering 7 AC Power Status Indicator Indicates the AC power status of the Black Max amplifier When the indicator is off no AC power is applied to the line cord When amber power is applied to the line cord but no sequential trigger has been received to place the amplifier into a fully powered up state or power switch is off When green the amplifier is fully pow ered 8 Ground Terminal Provides convenient access to earth ground 9 Speaker Terminals Connects to 70V constant voltage speaker loads One set for each amplifier section Accepts up to
8. connect to the amplifiers chassis AC ground if necessary DO NOT connect the earth ground terminal to the terminals of either output No damage will occur if this is done but the amplifi A Aa er will go into protect mode and shut down the effected channel Inputs Balanced Input Connections BLACK MAX INPUT Balanced input connections are used when the Fir source device provides a balanced output sig Source nal signal and ground G This type of Equipment 222 SHIELD connection is desirable when operating in elec trically noisy environments where long input cable runs are needed or to ensure the lowest G noise operation If compatible with the source device this type of connection is recommend ed Unbalanced Input Connections BLACK MAX INPUT BALIN When the source device provides only an ee ae as unbalanced output signal and ground the Source input should be wired with input shorted to Equipment Ses eee ground G The unbalanced signal s shield wire is connected to ground and the signal hot wire SS 809 is connected to the terminal Since unbal anced connections do not provide the same WIRE SHORTS amount of noise immunity that a balanced con 7s TERMINAL TO G nection does the connection distances should be made as short as possible Sequential Turn On Operation Black Max
9. d reliable sequential turn on feature minimizes in rush current from the AC power mains When multiple Black Max amplifiers are daisy chained together for sequential turn on the first amplifier in the series will control the powering up of the other amplifiers with approximately 1 second of delay between units Turning off the first amplifier causes all amplifiers to turn off Package Contents Black Max Amplifier Model X600 X450 or X300 2 Rack Ears for Mounting 2 Filters and Grilles Instruction Manual 4 Rubber Feet amp Screws 2 three position 1 four position Terminal Strips BOGEN BLACK MAX unr x600 SIGNAL Duae aA Co sms Sr nr 1 Status Indicators The Status LEDs are multi purpose indicators one for each channel Green Amplifier is on and operating normally Amber Amplifier is in low power consumption Sleep Mode Red Amplifier has protected itself due to a fault condition 2 Signal Indicators Three illuminate green when signal is present at the output one for each channel 3 Limit Indicators These indicators illuminate amber when excessive signal levels or very low impedance output loads cause out put distortion to exceed a few perce
10. it will break the daisy chain It will in effect become a second master amplifier controlling all amps that follow it In this case if the Power Switch for this amp is switched off the sequencing will stop at that amplifier If this amplifier s Power Sequencing Switch is set to ON then all ampli fiers following it will have already begun to sequence Should an amplifier in the sequence shut off either by tripping its circuit breaker or by someone turning the Power Switch OFF only that amplifier will lose power All units that follow will remain powered up If however AC power is removed from an amplifier by unplugging the power cord all other amps following it will immedi ately power down amplifier in the chain going into or coming out of low power sleep mode will have no effect on the group Front Controls amp Indicators Power Switch The Power Switch for the Black Max amplifier is located on the front of the unit Press the I side of the switch to turn the unit ON The amplifier will begin its power up process once turned on the amplifi er is set up for power sequencing see the section on power sequenc ing the amplifier may not begin its power up process but rather wait in a standby state until it receives a sequence trigger The Power Switch is also the amplifier s circuit breaker Should the breaker trip simply place it in the OFF position and then back to ON to reset the breaker Note If the Power Seq
11. itch tripped Turn off then turn back on Rear Power Sequencing Switch is not ON Error in Sequencing wiring between amplifiers Level Controls turned down No signal from source Poor broken speaker wiring e Defective speakers e Input signal level too high Poor speaker connections Lo Cut Switch set to Flat DC level at signal input Load impedance too low Amplifier speaker output is short circuited Amplifier too hot check for proper ventilation clearances e Poor electrical connections at input Input cable routed near AC cables power transformer other EMI radiating devices Electrically noisy devices operating on the same AC circuit e Poor equipment grounding Ensure that all AC safety grounds are connected Make sure that all components in audio chain are tied to the same ground X450 X300 Connector Power 20A line cord Output 5 pin touch proof Barrier Strip 20 40kHz 5 THD 20 20kHz 0 25dB RF DC Low frequency Thermal Low impedance Circuit Breaker Short Circuit Special Features Sequential Turn On Circuitry defeatable Sleep Mode defeatable Back Slope AC voltage regulation Toroidal Power Transformer Both channels driven at nominal line voltage 120V AC 60Hz 11 BOGEN COMMUNICATIONS INC 50 Spring Street Ramsey N 07446 U S A Tel 201 934 8500 Fax 201 934 9832 www bogen com
12. laced on a table or rack mounted For rack mounted applica tions the amplifiers can be stacked one on top of the other for maximum use of the rack space available with out any extra empty rack spaces between them An open air space of at least 4 must be provided at the front air intakes of the amplifier and the rear exhaust must have at least 4 between itself and obstructions to ensure adequate cooling This applies to both rack and table mounted amplifiers Care should also be taken to ensure that the front intake air is not considerably warmer than the ambient air temperature Mount the amplifiers low in the rack so that heat dissipation from other equipment does not warm the amplifier s intake air Rack Mounting Rack ears are included with the amplifier to allow mounting 19 racks Attach the rack ears as shown in the Mechanical Components section If any feet have been attached to the bottom of the amplifier remove them Load the amplifier into the rack and secure it to the rack with appropriate hardware not included Rear Rack Mounting Optional accessory not included Rear of Amplifier For greater rear support when rack mounting a Black Max amplifier the RPK86 Rack Mounting Kit can be attached to the rear of the amplifier by following these steps 1 Remove and save the three rear most cover screws from the chassis side 2 Position the rack attachment as shown 3 Replace and tighten the
13. nt Under such conditions a built in Clip Limiting circuit activates and reduces input signal levels to protect both amplifier and speaker loads One for each channel 4 Power Switch Circuit Breaker Magnetic circuit breaker controls AC power to the amplifier 5 Fan Air Intake and Grilles Air intakes for 2 independent variable speed cooling fans Each responds as needed to keep the amplifier cool while reducing dust build up Removable fan grilles are provided to allow access to the dust filters for cleaning C eae Elle 9000100000 e a Qu UUU a BLACK MAX PRE COMMUNICATIONS INC RAMSEY NEW JERSEY POWER OFF No Power ave C OFF RCV XMT 1284 De POWER SEQUENCING gt cS gt C gt gt gt Cc gt gt bi 1 High Impedance Balanced Inputs Pluggable 3 position terminal strips allow for easy installation and provide convenient connections to high impedance balanced inputs 2 Input Level Controls Continuously variable input level controls 3 Lo Cut Filters Roll off frequen
14. pparatus 11 Only use attachments accessories specified by the manufac turer 12 Unplug this apparatus during lightning storms or when unused for long periods of time 13 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 Domestic and International Listings UL and C UL Listed DO NOT block any ventilation openings Install in accor IMPORTANT CAUTION RISK OF ELECTRIC SHOCK CAUTION TO PREVENT THE RISK OF ELEC TRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL The lightning flash with arrow head symbol within an equilat eral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magni tude to constitute a risk of elec tric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instruc tions in the literature accompa nying the appliance Contents Page INTRODUCTION PA E E 1 Package
15. ront Power Switch has not been turned ON if the Power Sequencing Switch is set to the OFF position Green Fully powered the unit has either 1 received the sequencing trigger if the Power Sequencing Switch is set to the ON position or 2 the unit s front panel Power Switch has been turned ON if the Power Sequencing Switch is set to the OFF position PROBLEM UNIT APPEARS DEAD NO FRONT STATUS LED SEQUENCING NOT FUNCTIONING CORRECTLY NO SOUND DISTORTED SOUND INTERMITTENT OPERATION NOISE HUM CONDITION Rear Power Status LED is off Rear Power Status LED is amber Master amplifier ON Rear Power Status is green slave amplifiers in chain not powering ON Rear Power Status is off Master amplifier ON Rear Power Status is green slave amplifiers in chain not powering ON Rear Power Status is amber Status LED is green Signal LED is off Status LED is green Signal LED is green Limit LED is off Status LED is green Signal LED is green Limit LED is off Status LED is red green cycling Status LED is green Signal LED is green CAUSE Amplifier not plugged in AC outlet dead Power Switch off Breaker Power Switch tripped Turn off then turn back on Power Sequencing Switch set wrong Check Sequential Turn On section for proper configuration e No power to amplifier Power Switch is off on slave amp Breaker Power Sw
16. three cover screws to secure the rack attachments 4 Repeat on opposite side of amplifier Table Mounting Feet are provided with the amplifier to allow it to be placed on a tabletop Attach the included feet to the bottom of the amplifier as shown Attachment of the rack ears to the unit is optional and purely aesthetic Connections Speakers 70V Transformer Coupled Speakers CLASS 2 WIRING ACCEPTABLE The Black Max series was designed to drive only 70V constant volt age type speaker loads The use of low impedance speakers may cause the amplifier to engage its protection circuits and shut down or limit amplifier function The speaker terminals can accept up to a 10 AWG wire or spade lug and have integral clamping plates which make wiring easier The polarity of each set of speaker out puts A amp B is indicated with a and sign Use these indica tors to ensure that the phasing of the speakers are correct Do not ground the output of either set of outputs Doing so will cause the amplifier to go into protect mode shutting down operation of the effected channel EARTH GROUND Note The and indicators are mirrored on outputs Be sure to make the correct connections Earth Ground Terminal CLASS 2 WIRING ACCEPTABLE The earth ground terminal is provided as a convenient means to D AN D
17. to Pin 1 RCV of the cower LME next amp en Switch Settings 2 The position of the Power Sequencing Switch of the met Black Max is important in sequencing setup The master ee OF Slave I Sequence Power amplifier s Power Sequencing Switch MUST be set to OFF By setting the switch to OFF this amplifier will turn on and off directly by its front Power Switch All other amplifiers in the chain MUST have their Power Sequencing switches in the ON position so that they respond to the sequencing signals All slave amplifiers MUST have their front Power Switch set to the ON position with the exception of the master amplifier switch in ON position POWER anez S hd By STATUS Active Slave SEQUENCING To Begin the Power Up Sequence Turn on the first amplifier in the chain All others will follow in sequence with a 1 second delay between them Power Down of Sequenced Amplifiers When the first amplifier in the chain of sequenced ampli fiers is switched off all other amplifiers will also switch off immediately Troubleshooting Sequencing Problems If an amplifier in the chain does not have its front Power Switch set to ON it will not power up However all other amps that follow that amplifier will continue to sequence If an amplifier in the chain does not have its Power Sequencing Switch in the ON position
18. uencing Switch is in the ON position but the wiring is not properly configured the unit will appear dead Review the Sequential Turn On section for proper wiring Front Indicators ChA ChB The front of the Black Max amplifier contains 3 different types of indi m cators for each channel sem LIMIT When illuminated it indicates a condition in which the ampli fier is limiting and automatically reducing signal level to reduce the sus overload condition Limiting is a result of speaker load impedances that are too low or input signals that are too high which drive the outputs beyond their operational ranges SIGNAL When illuminated it indicates that there is signal at the output STATUS Illuminates in three different colors to indicate current operational status of the amplifier Green Indicates that the amplifier is operating normally Amber Indicates that the amplifier is in Sleep mode Red Indicates a fault condition and that the amplifier has dis connected the output load as a safety precaution Rear Controls amp Indicators Level Controls 3 456 7 Use the rear mounted Level Controls on the Black amplifier to 2 8 adjust output volume of each channel independently 1 9 Lo Cut Switch 0 10 The Lo Cut filter allows a low frequency roll off starting at 60Hz to be introduced into the signal path preventing the speakers from receiving too much low frequency content The Lo Cut Filter Switch should be LO CUT t
19. urned on when using typical inexpensive transformer coupled cone type speakers found in paging systems IM ON OFF The Black Max amplifier is a direct coupled amplifier which means that there are no output transformers used to deliver the 70V audio to the speakers Because of this the Black Max amplifier has a flat frequency response down to and below 20Hz This extended low frequency oper ation can be troublesome for some transformer coupled speakers used in 70V audio systems Relatively inexpensive transformers used in some speakers cannot handle frequencies below 60Hz When frequencies lower than this are applied to these speakers transformers they can saturate causing distortion and high instantaneous power consumption 8 Sleep Switch The Black Max amplifier includes a sleep mode feature that greatly reduces the power consumption of the amplifier after it has been idle no audio activity for more than 3 minutes Any audio activity present at the input will power up the amplifier instantaneously and noiseless ly so that there is no loss of audio The Sleep Switch is located on the rear of the unit The sleep feature is activated by setting the switch to the AUTO position Setting the switch to the OFF position will inhibit the amplifier from ever entering sleep mode Power Sequencing Switch The setting of the Power Sequencing Switch on the rear of the Black Max amplifier determines how the amplifier will power up When
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