AL-500

   1.Functions&Features:

<1>Efficient heat—sink.variable speed cooIingfan.ensures the ampIifier working atthe low ternperature.
<2>Large annuIa rtrans former,ensure the enough powe rsupply.
<3>Exquisite shape and standard in stallation hole.
<4>Perfect protection,including Iimit,the on/off shock protection,DC protection,output short circuit Protection.overheat protection.
<5>In—buiIt Iimiter,it is avery effective protection against eIect ricaI damage to the speaker
<6>ExceIIent audio siqnai Perfo rmance,which has excellent signal conve rsion featu re.it has very Iittle ha rmonic disto rtion(THD),inte rmoduIation distortion(SMPTE—IM),transient inte rmoduIation disto rtion,Pure and natu ral 
interstitiai deduction.
<7>STEREO.BRIDGE,PARALLEL wo rkincl mode.
<8>Each channeI has its SignaI and clip indicator.
<9>When the protection circuits work,FauIt indicato rliqhts.and sound output auto maticaIIy stop at the same time.
<10>The front panel Ievel aain control.
 
2.Features:
<1>Adopt the E.I.A international standard(2U)3.5"(88mm)professional amplifier chassis.
<2>Power supply design:
Each unit contains a set of logical power supply.Adjust the power output level voltage through the logic power supply real—time dynamic control circuit.And can real—time dynamically adapt to the signal and load requirements.which 
can achieve the optimal power matching under the wide load conditions,and ensure the amplifier will not overheat.
<3>Signal voltage limit:
There is avoltage limiter in each input channel,by detecting the output signaI and controlling the input signal,to make the ampIifie routput will not in the clipping state for a long time,protect the horn will not be burned;and will 
automatically control the input signals when the amplifie r is overheated,to make the amplifier reduce heating,and use more safe.
<4>Professional Speakon socket suit for the engineering and tou ring performance.
<5>To withstand the long—term bumps along the way.all the spare parts are through the special reinforcement.
<6>Adopt the Precision CNC lathes to stamp the integrated steel plate to make the structu re extremely strong and be able to withstand the maximum transien pressure without deformation
<7>Perfect protection function
Amplifier provides many diffe rent types of protection functions,including DC protection,inte rnal fault protection,input ove rload p rotection,RF interference filter,output short ci rcuit Protection,un—match load and high—
frequency overload Protection,ove rheat protection of heat—sink and trans former and power supply input over—current protection(over_current protection switch)
<8>XLR balanced input and output
<9>CooIIng systems
The cooling system is using the wind tunnel type.seaI ga s flow pass can st rengthen the cooling effect and avoid the fauIt which cau se by the PCBA pollution which caused by the stage dusty and smoke.Ensure when the unit is under the 
no rmal work conditions.the tempe rature can reach balance within ace rtain range
<10>Perfect interface:
SignaI input:XLR input/signal pa rallel output
Horn output:Speakon p rofessionaI output socket.
 
Features

  

Rated power/mode  AL-500

1kHz(HIA)with0.5%THD

 
4Ω stereo(per channel) 750W
8Ω stereo(per channel) 500W

8Ω bridge mono

1500W
Performance  
Frequency Response(at 1 Watt) 20Hz-20KHz,+0-1dB
Total Harmonic Distortion(THD)

<0.5%,20Hz-20kHz

Intermodulatlon Distortion60Hz and 7KHz at 4:1 from full rated output to-30dB =/<0.35%

Slew Rate

>10V/us
 Voltage Gain 33dB
Damping Factor(80hms)10Hz-400Hz >200
Signal-to-Noise Ratio(below rated power,20Hz to 20kHz.A weighted) >100dB

Crosstalk(below rated power)

At 1kHz

At 20kHz 

 

 

75db

58dB

Input Sensitivity for full rated power at 8Ω 0.775Vor1.4V

Input impedance(nominal)

Balanced

Unbalanced

 

20K 0hms

10k ohms

Construction  
Protection Protection again stshort circuits,no-load,on/off muting,RF interfe rence.
Ventilation Flow-through ventilation from front to back
Cooling Internal heat sinks with forced air Fan cooled speed regulated,thermal protection
Power cord specification Plug:10A,250V  Wire:3xl.0mm2
Chassis size(unit mm) 482x227x88
Net weight 13.5kg

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