Congratulations for choosing DUS AD Series professional power amplifier. You purchased one of the finest stereo amplifiers on the market today . This unit was developed using the expertise of professional sound engineers and working musicians . You will find that your new DUS AD Series amplifier has superior performance and greater flexbility than any other amplifiers in its price range . Please read this manual carefully to get the most out of your new unit .



Offering top power, superioer performance and full professional operating features in roadworthy compact chassis, the AD Series are perfect for even the most demanding sound reinforcement installation and touring applications .


The operating instruction in this manual are for the AD Series power amplofiers. The operation and functions of these units are the same , except as noted.


  • Full operating features:detent volume controls ; paralle balanced XLR inputs; stereo(dual channel) . parallel input, or bridged mono operating ,odes with selector switch; binding post(banana plug) outputs; ground lift switch.
  • Full safety/reliability features: 3 dual speed fans for cooling; soft start turn on, noise-free on-off ;built-in  DC offset; independent DC and thermal overload protection on each channel; short circuit and speaker protection;  DC servo operation; built-in digital current limiter.
  •  Power ON,Clip, Signal, and Protect LED indicators for each channel.
  •  Roadworthy: rugged double rack space (2U) housing .
  •  ~230V (50Hz) AC select switch and IEC power cord.



Stereo Into(4Ω) 2x1900W
Stereo Into(8Ω) 2x1100W
Input Impendance 10KΩ balanced

Frequency response @ Half Pwr

20Hz - 20KHz(±0.2dB)



S/N Ratio >112dB

inrush-current limitation, temperature monitoring of transformer and heat-sinks, output DCprotection, power transistor SOA protection, output over current protection, mains fuses protection


Front -to-Back via 3 variable-speed fans 


switchable cilp limiter

Modes of operation  Stereo, Mono-Bridge and Parallel-Mono

Dimensions (WxHxD)  482 x 389 x88mm
Weight(kg) N .W:10.5       G.W:13.5

 PDF Title Language Date Size
  AD-2400 English 2012-12-11 1.42MB
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