User Manual - Beta Three Professional Audio Products
Contents
1. B User s Manual ED B3 MA 060630 001 A5 A6 A7 A8 PROFESSIONAL POWER AMPLIFIER DEAR CUSTOMERS Please carefully read and strictly follow the user s manual when you use A series professional amplifier If you have any question please contact the local dealer CATALOGUE 1 Attentions P1 2 Functions amp features P1 3 Parameters P2 4 Installation P6 5 Front panel P7 6 Rear panel P7 7 Power supply P8 8 Input Output connectors P8 9 Function setup and cable connection P9 10 Operations P11 11 Indicators on front panel P11 12 Protection functions P11 13 Troubles and trouble shootings P12 NOTES High voltage inside the equipment Do not open the cover Ask for the help from the professionals when need servicing Please do not expose the equipmentin the rain or moisture Keep adequate ventilation do not block the port Be sure the voltage of this equipment complies with the local industrial voltage Please put off the power plug if unused for along time Please connect rated load Never working under the overload fora long time gt gt Symbols The equilateral triangle with lightning bolt warns the user of dangerous voltage levels localized within the cabinet O The equilateral triangle with exclamatory mark means the important operation on the user s manual FEATURES A series isthe amplifier with big power and excellent performance It can meet differe2. IN x channel Bis independent the signalto channel Ais just for channel A the signal to channel Bis only for Channel B Like the below drawing B Mono paralleled mode Parallel Put the switch of mode at PARALL like the ca below picture W Nnder the mono paralleled mode the effect ofinput signal from channel A and channel B is same The signal on input channel A can be provided to output A also to output B The signalon input channel B not only provide to output also to output B But please not input the signal from channel A and Bat the same time Note The mono paralleled mode justmeans the paralleling ofinput signal Never parallelthe output terminals Like the below drawing C Bridged mode Bridged Mono Put the switch of mode at BRIDGE like the below picture Under the bridged mono signal just can be input from channelA no voice ifinput from channel B the anode of output Ais the anode of bridged output the anode of output B is the cathode of bridged output like below drawing Under the bridge mode The output voltage is so high enough to make a electronic shock Please power off the unit before operate it under bridge mode 10 10 OPERATIONS Please follow the steps during using the equipment 1 gt Start a Setupthefunction and connection according to the above functionsetup and connecting Check if the output cable is short circuit and the load is too low C
3. Gain controlling knob for channel A and B Parallel Stereo Bridge LF cutting Grounding Limit Indicator on front panel Yellow Bridge Red Overload Green Signal Amplifier protection Short Cirrcuit Maladjustment of DC Overload Overheat Etc Dimensions 483 X 382 X 88mm Net weight Power supply Environment Temperature 15Kg AC 220V 230V 50Hz 60Hz 500VA Working temperature 10 C 40 C Storing temperature 25 C 80 C Environment humidity lt 90 ex 3 PARAMETERS A7 Rated Power 8 9 660W Stereo mode 4Q 1000W 8 Q 660W Parallel mono mode 4Q 1000W Q Bridged mono mode 16 1330W 8Q 2000W THD lt 0 05 10 Rated power Intermodulation distortion lt 0 1 60HzZ 7KHz 10 Rated power Frequency response 20Hz 20KHz 0 0 25dB Phase difference lt 15 Damping factors gt 800 8 2 100Hz gt 75dB S n gt 108dB A Weight 37 350 548 en lt 0 2548 Input sensitivity 1V Switch speed gt 80V us Input impedance Unbalanced input10K Balanced input 20K 2 Input connectors Three pin XLR 6 35mm Output connectors Speakon binding post NL4 speak Cooling Controls on front panel Controls on rear panel Four fans stepless shifting Cooling airflow from frontto back Switch of AC Gain controlling knob for channel A and B Parallel Stereo Bridge LF cutting Grounding Limit Indicator on front panel Yellow Br
4. C protection when the equipment has faults and there is DC in output signal the equipment can cut off output automatically and avoid damage for speaker caused by DC 3 gt Overheat protection If the temperature of heat sink is over the allowed temperature the sensor will cut off the output avoid damage caused by high temperature and protect he amplifier 11 13 TRQUBLES AND TROUBLE SHOOTINGS Trouble No voice Power indicator lights off Troublele shooting Check if the power plug and jack are connected well If the power jack corresponds with 220 240V AC Check if the fuse on rear panel is broken No voice Power indicator Lights SIG indicator Light off CLIP indicator lastslighting on Voice is abnormal Check if the music signal cable is connected well Check if the power of music source is turned onand the volume is turned on 3 If the volume pots is turned on 1 If the music source output is too big If the CLIP LIMITERis atthe ON position Check if there is any short circuit in output connectons and if the load is correct The restart The bassis not sufficient If the LF FILTER onrear panelis atthe LF 50Hz orat LF 25Hz setup the switch at appropriate place No voice on one channel under paralleled mono mode Output of bridge is too low Check if the switch of MODE on rear panel is at the PARALL please put it at PARALL if it not at the position Check check the input
5. L4 speak Cooling Controls on front panel Controls onrear panel Four fans stepless shifting Cooling airflow from frontto back Switch of AC Gain controlling knob for channel A and B Parallel Stereo Bridge LF cutting Grounding Limit Indicator on front panel Yellow Bridge Red Overload Green Signal Amplifier protection Short Cirrcuit Maladjustment of DC Overload Overheat Etc Dimensions 483X313X88mm Net weight Power supply Environment Temperature 12Kg AC 220V 230V 50Hz 60Hz 300VA Working temperature 10 C 40 C Storing temperature 25 C 80 C Environment humidity lt 90 3 PARAMETERS A6 Rated Power 8Q 330W Stereo mode 4Q 500W 8 9 330W Parallel mono mode 4 500W Q Bridged mono mode 16 660W 8Q 1000W THD lt 0 05 10 Rated power Intermodulation lt 0 1 60Hz 7KHz 10 Rated power distortion Frequency response 20Hz 20KHz 0 0 25dB Phase difference lt 15 Damping factors gt 800 8 2 100Hz gt 75dB S n gt 108dB A Weight 340 508 en lt 0 2548 Input sensitivity 1V Switch speed gt 60V us Input impedance Unbalanced input 10K 2 Balanced input 20K 2 Input connectors Three pin XLR 6 35mm Output connectors Speakon binding post NL4 speak Cooling Controls on front panel Controls onrear panel Four fans stepless shifting Cooling airflow from frontto back Switch of AC
6. heck ifthe local voltage complies with the user s manual Be sure the switch of power supply at 0 and the volume is the lowest Connect the power supply turn on the equipment of sound source pre and effect equipment and assure these equipments workin order f Turnon the switch of power supply put it at 1 position g Adjust the knob of volume clockwise to right position 2 gt Off a Adjust the knob of volume unti clockwise to the lowest b Turn off the switch of power supply on the front panel putit at O position c Turn off the pre and effect equipments sound source equipments s o 4 s d 11 INDICATORS ON FRONT PANEL 1 gt If signal indicator flashes it means if there is signal outputin two channels 2 gt 1f peak indicator flashes it means thatthe input voltage is too high You should turn down the volume 3 gt If the peak indicator always lights it means faults The reason is like this loading is too low shorton loading temperature is too high You should check it after power off Turn on again if no abnormity 4 gt 1f bridge indicator lights it means that the amplifier is under the bridged mode 12 PROTECTION FUNCTION Perfect protection function can prevent the damage for amplifier andspeaker caused by short circuit and output DC and overheat 1 gt Short circuit protection whenthe load at the output end is short circuit the equipment can cutoff the signal and protect the equipment 2 gt Output D
7. idge Red Overload Green Signal Amplifier protection Short Cirrcuit Maladjustment of DC Overload Overheat Etc Dimensions 483 X 382 X 88mm Net weight Power supply Environment Temperature 18Kg AC 220V 230V 50Hz 60Hz 1000VA Working temperature 10 C 40 C Storing temperature 25 C 80 C Environment humidity lt 90 3 PARAMETERS A8 Rated Power 8 9 1000W Stereo mode 4Q 1600W 8 Q 1000W Parallel mono mode 4Q 1600W Q Bridged mono mode 16 2000W 8Q 3200W THD lt 0 05 10 Rated power Intermodulation lt 0 1 60Hz 7KHz 10 Rated power distortion Frequency response 20Hz 20KHz 0 0 25dB Phase difference lt 15 Damping factors gt 800 8 2 100Hz gt 75dB S n gt 108dB A Weight 390 508 en lt 0 2548 Input sensitivity 1V Switch speed gt 100V us Input impedance Unbalanced input 10K 2 Balanced input 20K 2 Input connectors Three pin XLR 6 35mm Output connectors Speakon binding post NL4 speak Cooling Controls on front panel Controls onrear panel Four fans stepless shifting Cooling airflow from frontto back Switch of AC Gain controlling knob for channel A and B Parallel Stereo Bridge LF cutting Grounding Limit Indicator on front panel Yellow Bridge Red Overload Green Signal Amplifier protection Short Cirrcuit Maladjustment of DC Overload Overheat Etc Dimensions 483X452 x88
8. mm Net weight Power supply Environment Temperature 30Kg AC 220V 230V 50Hz 60Hz 1500VA Working temperature 10 C 40 C Storing temperature 25 C 80 C Environment humidity lt 90 4 INSTALLATIONS A5 A6 A7 5 FRONT PANEL FOR EXAMPLE A8 2 B BETA THREE r BETA THREE POWER D 1 2 3 4 Sy air input port signal indicator of channelA overload indicator of channelA bridge indicator of channel overload indicator of channel B 6 REAR PANEL FOR EXAMPLE A8 6 7 8 9 signal indicator of channel B power switch gain adjustment pots ofchannel A gain adjustment pots ofchannel B BRIDGE signal input of channel A XLR JACK signal input of channel A 1 4 mic jack switch ofworking modes limiters signal output of channel B binding post signal output of channel A binding post fuse 8 signal input of channel B XLR plug 9 signal input of channel B 1 4 mic jack 10 filter switch 11 grounding switch 12 signal output of channel A NL4 JACK 13 signal output of channel B NL4 JACK 14 cable 7 POWER SUPPLY Please assurethe local voltage comply with the voltage indicated on rear panel before co
9. nnecting power supply AC 220V 230V 50 60Hz Please assure the cable and jack of power supply not damaged before connecting power supply Put off the plug after power off 8 INPUT OUTPUT CONNECTORS n 0 0 Bl n Input connectors The XLR jack and 1 4 microphone jack in same channel are paralleled input the signal from either connectors and outputthe signal for connecting next amplifier If the amplifiers connected are too many the sound quality may be affected Please donot inputthe signal from two connectors in same channelat the same time Output connectors The binding post and NL4 jackin same channel of UA series amplifier are paralleled Do not connect loads to the two connectors at the same time The red end of binding postis connected with anode of speaker the black end connected with cathode of speaker Just the load suited with the power and impedance of amplifier can be connected with the output connectors of amplifier 1 gt Limiter setup As the below drawing when switch is OFF the limit is off thelimit circuit is out of work if input signalis too strong output can cause clip distortion and also raise overload on loudspeaker L u S 5 As the below drawing when the switch is ON the limit is on ifthe input signal is too strong the limit circuit can control the gain and reduce the distortion also control the average output power butit not affect peak power protect the loud
10. nt audio avenues 1 gt Big power 1000W per channel sin power output without distortion under the 8ohms 2 gt Innovative heat sink structure and high quality heat sink fan assure working fora long time 3 gt loading impedance temperature power running voltage can be controlled alternately Speed of Fan is automatic adjusted by temperature When loadis too low or temperature is too high the equipment can adjust the power supply and lower impedance of power which improves sound quality and protect the equipment better The reliability will be improved remarkably 4 gt Low distortion 5 gt High switch speed gt 100V us outstanding sound quality and high transparent 6 gt Lownoise S N gt 108dB A Weight 7 gt Wide frequency band 20HzZ 20KHz lt 0 0 25 dB 8 gt Small dimension 2U structure 3 PARAMETERS A5 Rated Power 8Q 160W Stereo mode 4Q 250W 8Q 160W Parallel mono mode 4Q 250W Q Bridged mono mode E en 22 500W THD lt 0 05 10 Rated power Intermodulation lt 0 1 60Hz 7KHz 10 Rated power distortion Frequency response 20Hz 20KHz 0 0 25dB Phase difference lt 15 Damping factors gt 800 8 2 100Hz gt 75dB S n gt 108dB A Weight 3120 508 en lt 0 2548 Input sensitivity 1V Switch speed gt 50V us Input impedance Unbalanced input 10K 2 Balanced input 20K 2 Input connectors Three pin XLR 6 35mm Output connectors Speakon binding post N
11. signal can compy with voltage please enchane the input signal if not sufficient Check if input SIGNAL voltage is suited please enchance the input SIGNAL if not sufficient Burning the fuse when start Check the local voltageis same as the voltage ofthe equipment Others Check ifthe setup and connection are accordant with the user manual 12 BS User s Manual PROFESSIONAL POWER AMPLIFIER
12. speaker and assure the daynamic of music Note Please setto ON position when using CLIP LIMITER 2 gt LF cutting setup When LF cutting is at LF 50Hz it equals discrete a 50Hz high pass filter oninput the signallower than 50Hz will be accordingly attenuated thencan reduce the noneffective swing and lower the distortion Like the below drawing 0d5 LF FILTER E amp N 20 30 405060 80100 200 300 400 500 Hz When LF cutting is at LF 25Hz it equals discrete a 25Hz high pass filter on input circuit it just attenuate the signal lower than 25Hz Like the below drawing LF FILTER 1 OdB An ROW 20 30 405060 80100 200 300 400 500 Hz FUNCTION SETUP AND CABLE CONNECTING When LF cutting is at 5Hz the audio signal can be amplified really Like the below drawing n TI T 1 0dB 1 2 Hz 20 30 40 5060 80100 200 300 400 500 amp w 3 gt Mode option and signal cable connection sat m gane Jara gt magento l L me batnnse nt Like the below drawing T Connecting direction RER tamed ot TS eee Stereo connecting mode BRIDGE Put the switch of mode atstereo PARALLEL like the below picture STEREO Under the stereo mode the signalon channel Aand Stereo bi amp 2 channel In ny 1
Download Pdf Manuals
Related Search