User Manual - Beta Three Professional Audio Products
Contents
1. 80 300W Stereo mode 4Q 500W 80 300W Rated power Parallel mono mode 500W Bridged mono mode n nn 80 1000W THD lt 0 05 10 rated power Intermodulation distortion 0 196 60Hz 7KHz 10 rated power Frequency response 20Hz 20KHz 0 0 25dB Phase deviation lt 15 Damping factor 2800 8 100Hz Crosstalk 7508 S N ratio gt 108dB A weight Total gain 33 8 0 5dB Channel gain error lt 0 25dB Input sensitivity 1V Slew rate gt 50V us Input impedance unbalanced 10KQ input balanced 20KQ input Input connector 3 pin XLR 6 35 socket Output connector NL4 binding post Cooling method four stepless fans front to rear airflow Front panel control AC power switch channel 1 channel2 gain knob Rear panel control parallel stereo bridge mode option lowcut grouding limit parameter selection Front panel indicator yellow bridge red overload green signal Amplifier protection short circuit DC overheat overload protection Net dimensions 483 x 375 x 88mm Net weight 14Kg Power supply AC 220V 230V 50 60Hz 400VA Environmental temperature work temperature 10 C 40 C storage temperature 25 C 80 C Environmental moisture 9096 3 TECHNICAL SPECIFICATIONS OF E500 80 500W Stereo mode 4Q 800W 80 500W Rated power Parallel mono mode 800W Bridged mono mode n an 80 1600W THD lt 0 05 10 rated power Intermodulation distortion2. A User Manual ED B3 MA 061012 001 6200 6300 6500 E800 PROFESSIONAL POWER AMPLIFIER B PRO DESIGN BETA THREE TO USERS Thanks for choosing Series E power amplifier s Please read this manual carefully prior to use of the product Operation must be done strictly following the instructions stated in this manual Please consult your 83 dealer or visit our website www elderaudio com for detailed information when you have any questions TABLE OF CONTENTS 1 Precautions P1 2 Performance Features P1 3 Technical Specifications P2 4 Installation Diagram P6 5 Front Panel P7 6 Rear panel P7 7 Power Supply P8 8 Input Output Connection P8 9 Function Setting and Signal Connection P9 10 Operation Steps P11 11 Description of Front Panel Indicators P11 12 Protection Functions P11 13 Troubleshooting P12 I PRECAUTIONS A Do notremove the cover to avoid high voltage hazard Please referservicing to qualified personnel Do notexplore the unit to rain or moisture Do not block the ventilation of the unit to ensure cooling efficiency Check whetherthe local voltage is identical with the operating voltage ofthe unit Please disconnectthe unitfrom the power supply when itis notto be used fora longtime Do notlet the equipment run for along time with overload Symbol Definition The equilateral triangle containing a arrowheaded lightning symbolis intended to alertthe user ofthe p
3. 10 STEPS Please follow the operation steps below when using the equipment 1 Startthe equipment a Setfunctions and do connection in accordance with the detailed information described in item 9 b Check whether the output connection is short circuited and the load impedanceis too low c Check whether the local voltage is identical with the operating voltage d Make sure the power supply switch onthe front panel isin the 0 position and the volume is minimized e Connectthe equipmentto the power supply turn on the sound source equipment pre equipment and effectors in sequence and confirm thatall work normally f Turn onthe power supply switch settled at 1 position g Adjustthe volume by turning the knob clockwise to a proper position 2 Turn offthe equipment a Minimizethe volume by turning the knob anticlockwise b Turn offthe power supply switch on the front panel to 0 position c Turn offthe pre equipment effectors and sound source equipment in sequence II DESCRIPTION OF FRONT PANELINDICATORS 1 Flashing of the signal indicator indicates that there is signal output through the two channels 2 Flashing of the peak indicator indicates that the input level is too high and the volume must be attenuated 3 Ifthe peak indicator is on continuously itindicates thatthe unitis in abnormal operation condition which is possibly caused by too low impedance load short circuit or overheating The unit
4. Other failures Consult professional personnel in the local authorized B3 2 products servicing centre or visit our website www elderaudio com 12 User Manual PROFESSIONAL POWER AMPLIFIER uiuiui elderaudio com
5. 0 196 60Hz 7KHz 10 rated power Frequency response 20Hz 20KHz 0 0 25dB Phase deviation lt 15 Damping factor 2800 8 100Hz Crosstalk 7508 S N ratio gt 108dB A weight Total gain 36 0 5dB Channel gain error lt 0 25dB Input sensitivity 1V Slew rate gt 50V us Input impedance unbalanced 10KQ input balanced 20KQ input Input connector 3 pin XLR 6 35 socket Output connector NL4 binding post Cooling method four stepless fans front to rear airflow Front panel control AC power switch channel 1 channel2 gain knob Rear panel control parallel stereo bridge mode option lowcut grouding limit parameter selection Front panel indicator yellow bridge red overload green signal Amplifier protection short circuit DC overheat overload protection Net dimensions 483 x 375 x 88mm Net weight 17Kg Power supply AC 220V 230V 50 60Hz 600VA Environmental temperature work temperature 10 C 40 C storage temperature 25 C 80 C Environmental moisture lt 90 3 TECHNICAL SPECIFICATIONS OF E800 80 800W Stereo mode 4Q 1300W 80 800W Rated power Parallel mono mode 1300W Bridged mono mode on 80 2500W THD lt 0 05 10 rated power Intermodulation distortion 0 196 60Hz 7KHz 10 rated power Frequency response 20Hz 20KHz 0 0 25dB Phase deviation lt 15 Damping factor 2800 8 100Hz Crosstalk 7508 S N ratio gt 108dB A w
6. must be turned off for checking and debugging before being turned on again 4 the bridged mode indicatoris on itindicates that the power amplifier is already in bridged mode l2 PROTECTION FUNCTIONS E Series power amplifiers feature full protection functions which can protect the power amplifier and loudspeaker system against damage potentially caused by short circuit DC outputor overheating trouble 1 Short circuit protection When short circuit problem occurs in the load end the unit will automatically switch off the signal input therefore protect the equipment effectively 2 DC protection When there is DC elementin the output signal resulting from malfunction ofthe unit the unit will automatically switch off the signal output therefore effectively protect the loudspeaker system fromthe potential damage caused by DC element 3 Overheat protection When the temperature of the heatsink is higher than the permitted level the temperature sensor inside inthe power amplifier willinform the protection circuit to switch off the output automatically therefore avoid damage tothe unit and harmto the user 11 I3 TROUBLESHOOTING Description offailures No Troubleshooting guide 1 Check whetherthe power plug ofthe unitand the power supply socketare in bad contact There is det an 106 m 2 Check whetherthere is AC 220V 230V 50Hz 60Hz voltage power supply Indicator IS 011 output from t
7. dent a A ones which means that Channel 1 input signal will go y Al only to Channel 1 output and the same is to Channel 2 asshown inthe diagram xps B Parallel mono mode Firstly turn the mode switch to PARALLEL position on the rear panel as shown in the picture on the right In parallel mono mode signals through Channel 1 or Channel 2 of the power amplifier have the same effect which means that Channel 1 input signal will go to both Channel 1 and Channel 2 outputs and the same is to Channel 2 as shown in the diagram But do not input signals simultaneously to both Channel 1 and Channel 2 Attention Parallel mono mode described here is only refered to the parallel mode of the input signals Please do not use the output connectors in parallel mode C Bridged mode Firstly turn the mode switch to BRIDGE position Bridged Mono on the rear panel as shown in the picture on the right In bridged mode signal can be only input via Channel 1 Signal input via Channel 2 will not make any sound The positive pole of Channel 1 output is also the positive pole of the bridged circuit The positive pole of Channel 2 is the negative pole of the bridged circuit as shown in the diagram To avoid electric shockthat can be caused by the dangerous high outputvoltage please turn off theequipment before connecting in bridged mode E800 power amplifier is recommended for driving 4O load in bridged mode
8. e same channel Output connection The output binding postand the NL4 socketof the same channelare linked in parallel Do not connect both outputs ofthe same channel with load simultaneously Connect the red hot binding postto the positive pole of loudspeaker and the black post to the negative pole Connect the outputend only with load that can match the powerrating and load impedance of the poweramplifier 9 FUNCTION SETTING AND SIGNAL CONNECTION 1 Setting of clip limiter switch When the switch isin OFF position the clip limiter is turned off and the limiter circuit is out of function Excessive signalinput in such situation will easily cause clipping distortion in output signal and loudspeaker overloading W SE vs 5 When the switch is in ON position the clip limiter is turned on When there is excessive signal input the limiter circuit will work automatically to adjust the total gain to reduce distortion and control the power output without affecting the instantaneous peak output This function offers loudspeaker protection capability while ensuring dynamic range of music IE US 5 Switching onthe clip limiter is recommended when use 2 Setting of low cut switch Turning the low cut switch to 50Hz position equals to adda 50Hz high pass filter in series into the input circuit so signals below 50Hz will be attenuated properly which can limit the noneffective excursion of loudspeaker and reduce the distor
9. eight Total gain 35 0 5dB Channel gain error lt 0 25dB Input sensitivity 1V Slew rate gt 70V us Input impedance unbalanced 10KQ input balanced 20KQ input Input connector 3 pin XLR 6 35 socket Output connector NL4 binding post Cooling method four stepless fans front to rear airflow Front panel control AC power switch channel 1 channel 2 gain knob Rear panel control parallel stereo bridge mode option lowcut grouding limit parameter selection Front panel indicator yellow bridge red overload green signal Amplifier protection short circuit DC overheat overload protection Net dimensions 483 x 378 x 88mm Net weight 20Kg Power supply AC 220V 230V 50 60Hz 900VA Environmental temperature work temperature 10 C 40 C storage temperature 25 C 80 C Environmental moisture lt 90 4 INSTALLATION DIAGRAM E800 E500 E300 m 376mm 371mm 465 7mm 360 5mm D e 9 E N co i le a E200 m 310mm 302 5mm mi 298mm E 292 5mm E e e E N co nr a 5 FRONT PANEL Take E800 as anexample 4 o p PRO DESIGN 3 UA SERIES O BETA THRE O 1 Ventilation entrance 4 Bridged mode indicator 7 Power supply switch 2 Channel 1 signalindicator 5 Channel 2 overload indicator 8 Channel 1 gain pot 3 Channel 1 overload indicator 6 Channel2 signal indicator 9 Channel2 gain pot 6 REAR PANEL Take E800 as anexamp
10. he power supply socket 3 Check whether the fuseon the rear panelis already burnt 1 Check whetherthe music signal cables are in good contact There is no sound 2 the power supply did al The power supply indicator is bs pe of the music source equipment have been on butthe SIG indicator is off ae 3 Check whether the volume pot ofthe power amplifier has been turnedon 1 Check whetherthere is excessive amplitude signal input from the source equipment The CLIP overload 2 Check whetherthe CLIP LIMMITER switch is in ON position indicator is on and there is abnormal sound Check whether there exists short circuit problem in the 3 load end connection and ensure theload impedance to be proper Turn onthe poweramplifier again when the problems are solved Check and make sure that the LF FILTER switch is in LF HF sounds not enough 1 50Hz or LF 25Hz position One channelis silentin 4 Check and make sure that the MODE switch is in PARALLEL paralleled mono mode position 1 Check whetherthe inputsignal levelis matchable Increase Output is weak the inputlevel ifit isnot enough in bridged mode 2 Check and make sure that the MODE switch is in BRIDGE position Fuss is burnt after the 1 Check and make sure that the local voltage is identical unit is turned on with the operating voltage of the unit Check and make sure that all settings and connections 1 of the unit are correct in accordance with the related instructions in the user s manual
11. le 1 2 7 A A A O O A CAUTION A BRIDGE RISK OF ELECITRIC SHOCK DO NOT OPEN DELAY O Fuse Tisa esov so eon O CHB OUTPUT 1 Channel 1 signalinput XLR connector 2 Channel 1 signalinput 1 4 mic socket 3 Work mode switch 4 Clip limiter switch 5 Channel2 signal output binding post 6 Channel 1 signal output binding post 7 Fuse 5 13 14 8 Channel2 signalinput XLR connector 9 Channel2 signal input 1 4 mic socket 10 Filter switch 11 Grounding switch 12 Channel 1 signal output NL4 socket 13 Channel 2 signal output NL4 socket 14 Power cable 7 POWER SUPPLY A Before connecting the power amplifier to the power supply check whether the operating voltage AC 220V 230V 50 60Hz is identical with your local power supply and confirm that neither the power supply socket nor the power cord is damaged Remember to pull the cord plug outof the outlet when the unitis turned off 8 INPUT OUTPUT CONNECTION LI 0o 0 0 E Input connection The input XLR and 1 4 mic sockets of the same channelare linked in parallel Signal can be inputvia any input socket output via the other socket ofthe same channel and then input to another power amplifier in daisy chain mode Too many stages of daisy chain may affectsound quality so do notinput signals via two interfaces ofth
12. nce load capable of driving 20 load for a longtime 3 TECHNICAL SPECIFICATIONS OF E200 80 200W Stereo mode 300W 80 200W Rated power Parallel mono mode 4Q 300W Bridged mono mode Lin en 80 600W THD lt 0 05 10 rated power Intermodulation distortion 0 196 60Hz 7KHz 10 rated power Frequency response 20Hz 20KHz 0 0 25dB Phase deviation lt 15 Damping factor gt 800 80 100Hz Crosstalk 75dB S N ratio gt 108dB A weight Total gain 32 0 5dB Channel gain error lt 0 25dB Input sensitivity 1V Slew rate gt 50V us Input impedance unbalanced 10KQ input balanced 20KQ input Input connector 3 pin XLR 6 35 socket Output connector NL4 binding post Cooling method four stepless fans front to rear airflow Front panel control AC power switch channel 1 channel2 gain knob Rear panel control parallel stereo bridge mode option lowcut grouding limit parameter selection Front panel indicator yellow bridge red overload green signal Amplifier protection short circuit DC overheat overload protection Net dimensions 483 x 310 x 88mm Net weight 12Kg Power supply AC 220V 230V 50 60Hz 250VA Environmental temperature work temperature 10 C 40 C storage temperature 25 C 80 C Environmental moisture 9096 3 TECHNICAL SPECIFICATIONS OF E300
13. resence of uninsulated angerous voltage within the equipment s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The equilateral triangle containing a exclamation mark is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the appliance 2 PERFORMANCE FEATURES Series E products are high performance big power professional amplifiers which suit various applications for sound reinforcement The following shows the main features of Series E models High power output big driving capacity Adoption of optimized heatsink structure and high quality cooling fans ensures system reliability and allows the unit to run long hours with high power output Series E features interactive control over temperature of loaded impedance powerand working voltage Speed ofthe cooling fans can change automatically according to inner temperature When the loaded impedance is too low or the inner temperature is too high the equipment will adjustthe power supply voltageand reduce the powersupply impedance which helpsto protectthe system and improve sound quality and reliability efficiently Low distortion High slew rate helps to boost definition and achieve better sound Low noise with the S N ratio 108dB A Frequency response 20Hz 20KHz lt 0 0 25dB 2U rack compact design E800 isspecially designed for driving low impeda
14. tion as shown inthe following diagram 1 ac uU 2 uL uL 20 30 40 5060 80 100 200 300400500 Hz When the low cut switch isturned to 25Hz position it isequal to add a 25Hz high pass filter which will attenuate signals below 25Hz as shown inthe following diagram 1 006 LF FILTER ds MS Es SA Fahr s 20 30 40 5060 80 100 200 300 400 500 Hz 9 FUNCTION SETTING AND SIGNAL CONNECTION 1 008 H When thelow cutswitch isturned to 5Hz position all signals within the frequency range will be amplified accordingly as shownin the right diagram x wW z uL uL 5 30 40 5060 80 100 200 300 400 500 Hz 1 Mode selection and signal connection Connection diagram XLR unbalanced TRS unbalanced XLR asymetrique TRS asymetrique unsymetri is che XLR TRS no balanceado XLR no balanceado Unsymetriscbe jStereoklinke Cable pin diagram Ground th Balanced m Symetrique inverting input Symmetrisch 3 _ Balanceado non inverting input A Stereo mode Firstly turn the mode switch to STEREO position on the rear panel as shown in the picture onthe right BRIDGE PARALLEL STEREO In stereo mode signals through Channel 1 and Channel Stereo bi amp 2 channel 2 of the power amplifier are treated as indepen
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