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USER MANUAL

PROFESSIONAL

POWER AMPLIFIERS

B1200 B1800 B2400 B4000

SERIES MK6

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Summary of Contents for B Series

Page 1: ...USER MANUAL PROFESSIONAL POWER AMPLIFIERS B1200 B1800 B2400 B4000 SERIES MK6 ...

Page 2: ...nces such as stoves and heaters Donotblocktheairflowventslocatedonthefrontandrear panelsofyouramplifier Donotoperateyouramplifieron asurfaceorenvironmentwhichmayimpedethenormal flow of air around the amplifier Iftheamplifierisusedinanextremelydustyorsmoky environment the amplifier should periodically be blown free of foreignmatter Donotremovethecover frontorrearpanelsofthe amplifier Removing any c...

Page 3: ...tures 3 Back Panel Controls and Features 5 Connecting Inputs and Link 6 Connecting Outputs 6 Output Mode Selection 7 Stereo Mode Selection Diagram 8 Parallel Mode Selection Diagram 9 Bridged Mode Selection Diagram 10 Protection Features 11 Maintenance 12 Service and Repair 12 Specifications 13 Block Diagram 14 B1200 B1800 B2400 B4000 PAGE 2 ...

Page 4: ...onofadvanceddesign qualityconstructionand comprehensivecircuitprotectionisyourguaranteeof fail safe reliability and you can depend on consistent stable performance UNPACKING Please inspect the amplifier carefully immediately after unpacking If you find any visible damage notify your supplier retailerimmediately Be sureto save the carton andallpackingmaterialsshouldyouneedtoshiptheunit back to your...

Page 5: ...limiters 8 PROTECT LED s TworedLED sindicatingthatthereisafaultononeorboth channels OncetheprotectLEDislit itwillautomatically shutdowntheassociatedamplifierchannel Protection will activate for the following faults Thermal overload Amplifier is overheating Short Circuit Protection Short sensed on output cables or within the speaker enclosure DCprotection DCVoltagesensed onoutputamplifier stage 9 R...

Page 6: ...isa balancedlineconnectorwith industrystandardpin outconfigurationasfollows Pin 1 Ground Pin2 NonInverting Hot Pin3 Inverting Cold 15 INPUT CHANNEL B Channel B Input In Parallel and Bridge mode Channel B input is notactive The XLR Femaleconnectorisa balancedlineconnectorwith industrystandardpin outconfigurationasfollows Pin 1 Ground Pin2 NonInverting Hot Pin3 Inverting Cold 16 GROUND MODE SWITCH D...

Page 7: ... Rear Support CONNECTING INPUTS AND LINK UsetheInputXLR Female connectors 14 15 ontherearpaneltosupplyaudiosignalstoyourHybridBseriesamplifier The link XLR Male connectors 12 13 may be used to daisy chain the audio inputs to other amplifiers when necessary BalancedandUnbalancedconnectionsmaybeusedwithpin2configuredasthenon inverting Hot pin CONNECTING OUTPUTS Speakersareconnectedusingthespeakoncon...

Page 8: ...lMode aninputsignalappliedtoChannelA s inputconnector 14 willbeamplifiedandappearatboth Channels A and B output connectors 18 19 Outputs A and B will still be independently controlled by their respectiveinputattenuators VolumeControls2 3 The recommended output load impedance for Parallel operation is 16Ω 4Ω per channel BRIDGED MONO MODESELECTION In Bridged Mono Mode the amplifier is converted from...

Page 9: ...TIVE TO PIN 1 1 SPEAKER A NEGATIVE TO PIN 1 PIN 2 NOT CONNECTED PIN 2 NOT CONNECTED SPEAKERBPOSITIVETOPIN1 1 SPEAKER B NEGATIVE TO PIN 1 PIN 2 NOT CONNECTED PIN 2 NOT CONNECTED Input Frommixer linesource Link Input to additional amplifier s Speaker A 4 16Ω Impedance Speaker B 4 16Ω Impedance Mains Power 220 240 Vac 50 60Hz ST Link Input to additional amplifier s Input From mixer line source Speake...

Page 10: ...AKER A NEGATIVE TO PIN 1 PIN 2 NOT CONNECTED PIN 2 NOT CONNECTED SPEAKERBPOSITIVETOPIN1 1 SPEAKER B NEGATIVE TO PIN 1 PIN 2 NOT CONNECTED PIN 2 NOT CONNECTED Input Frommixer linesource Link Input to additional amplifier s Speaker A 4 16Ω Impedance Speaker B 4 16Ω Impedance Mains Power 220 240 Vac 50 60Hz PAR Speaker A andB Connector 2 2 1 SPEAKER A POSITIVE TO PIN 1 1 SPEAKER A NEGATIVE TO PIN 1 S...

Page 11: ...nk Input to additional amplifier s Speaker 8 16Ω Impedance Mains Power 220 240 Vac 50 60Hz Speaker Connector 2 BR 2 1 SPEAKER POSITIVE TO PIN 1 1 PIN 1 NOTCONNECTED SPEAKERNEGATIVETOPIN2 PIN 2 NOT CONNECTED B SERIES PROFESSIONAL POWER AMPLIFIERS PAGE 10 ...

Page 12: ...ely important to keep all airflow vents located on both front and back panels free of objects causing resistancetofreeairflow Equallyasimportant istokeep airventfiltersbehindtheairventsandheat sinksfreeof dustthataccumulateswithtime Itisrecommendedto cleanfiltersandheatsinkswithhighcompressionairevery 6 12monthsdepending ontheenvironment DC VOLTAGE PROTECTION TheDCVoltageprotectionwillactivateifaD...

Page 13: ...filter shouldbeappliedwitha crossoverfrequencyhigherthanthetunedfrequency with a moderate roll off filter MAINTENANCE Your B series amplifier requires no routine maintenance otherthantheoccasionalcleaningoftheairflowvents located on both front and rear panels as well as heat sinks withintheamplifier Itisimportanttokeeptheseareasfree of dirt and dust so as to avoid overheatingof the amplifier Witht...

Page 14: ...dB 86dB 88dB Input Sensitivity 0 77 Balanced 0dB Unbalanced Input Impedance 10KΩ Balanced 20KΩ Unbalanced Input Interface Three core Female XLR Input Link Interface Three core Male XLR Link Speaker Interface Speakon Connectors 4 Pole LED Indicator Power Signal 40dB Clip Peak Protection Power Supply 1 260W 1 890W 2 520W 4 000W Cooling Mode Front to Rear Stepless Air Cooling Net Weight 13 8kg 16 3kg...

Page 15: ...nel B Parallel Bridge Stereo ChannelBVolume MODE SWITCH AMP2 1 1 2 2 Balanced UnbalancedInput Stereo Only Speakon Channel B 1 2 PRE AMP 3 GNDLIFT 2 1 PRE AMP 3 Z Active Protection Signal Clip DISPLAY BOARD Active Protection Signal Clip DISPLAY BOARD B SERIES PROFESSIONAL POWER AMPLIFIERS BLOCK DIAGRAM B1200 B1800 B2400 B4000 PAGE 14 ...

Page 16: ...www vivaafrika co za PROFESSIONAL POWER AMPLIFIERS B1200 B1800 B2400 B4000 SERIES MK6 ...

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