Features

• DA series is the real power amplifiers that can input digital signals directly into it, which is the essential equipment in the digital audio transmission system.

• Wide voltage range, Stable and dependable performance
  65% ~ 130% the extra wide working voltage range design against the relative rated Input supply voltage , so it can easlily cope with the strong voltage fluctuation environment.Meanwhile, power volume gradient circuit more considered the audience feelings. Advanced SMT technology make the performance more stable.

• Precise and pure quality and wonderful SNR
  Finally, several experiments to eliminate the sound defaults are paid. Consequently, precision and clearity of DA series are remarkable. Let alone the ultra-low distortion and super S/N R.

• Work under long term low-load is available
  Work under 2Ωload long and stably is available

• Designed for the applications of professional equipments, theatres and live amplifying
  The handy 2U-cabinet that makes setting and carrying easier can be fixed on any parts of the rack. The perfect protection circuit makes its self-protected characteristics are as splendid as the aircraft carrier’s.

• Totally intelligent dynamic limiter system and distortion eliminate circuit
  The circuit which power is controlled by dynamic limiter is a patent, assuring the system is working in a permanent safe situation.

• Patent of earthed technology
  The latest patent of earthed technology that is adapted by the DA is able to work without floating switch and minimize the noise no matter what kind the connection is.

• Always pursuit of the best
  The DA that have been studied for years are the optimum products with elaborated performances which is proved by the sophisticated interior layout.

Specifications

Mode	DA8350	DA8550	DA8750
Rated Output Power Continuous Average Power RMS,1KHz,THD≤1%
Bridge @ 4Ω	1×1400W	1×2000W	1×2600W
Bridge @ 8Ω	1×1084W	1×1700W	1×2324W
Bridge @ 16Ω	1×700W	1×1100W	1×1500W
Stereo @ 2Ω	2×700W	2×1000W	2×1300W
Stereo @ 4Ω	2×542W	2×850W	2×1162W
Stereo @ 8Ω	2×350W	2×550W	2×750W
Frequency Response 8Ω load,10dB below rated power	20Hz～20KHz±0.25dB
THD+N(typical) 20Hz～20KHz,8Ω load,10dB below rated power	＜0.05%
Intermodulation Distortion SMPTE(typical) 8Ω load, 10dB below rated power, 60Hz+7KHz	＜0.05%
Signal to Noise Ratio 20Hz～20KHz,8Ω load,A-weighted	＞105dB
Input CMRR(common mode rejection ratio) @ 1KHz	＞80dB
Channel separation(Crosstalk) @ 1KHz	＞80dB
Damping Factor 8Ω load, 1KHz and below	＞450	＞500	＞600
Circuitry	Bipolar,ClassAB
Input Impedance	Analog input:20kΩ balance input Digital optical input AES3:110Ω Digital coaxial input RCA:75Ω
Slew Rate	45V/μs	55V/μs	60V/μs
Processor	44.1k Hz/48k Hz/96k Hz/192k Hz sampling frequency can convert to 96KHz sampling frequency ,24-bit D/A automatically
Voltage Gain rated power @8Ω	37dB	39.5dB	41dB
Input Sensitivity Rated Power @ 8Ω	0dBu(0.775Vrms)
Maximum Input Level	+22.0dBu(10.0Vrms)
Protection Circuits	Soft-start,inrush-current limitation,temperature monitoring of heat-sinks and transformer,output short protection, output DC protection,output over current protection,protector,turn-on/off muting,RF protection
Dynamic Limiter	Intelligent
Cooling	Four Variable-speed DC fans,front-to-rear air flow
LED Indicators Front panel	Power-ON,Mode,Clip/Limit,Signal,Protection
LED Indicators Rear panel	N.A.
Input Connectors	Analog:3-pin XLR,male and female per channel,pin 2=inphase(hot); Digital signal:3-pin XLR,female and coaxial RCA& Optical AES3
Output Connectors	three 4-pole SPEAKON connectors, both channels and bridge mode outpu;Digital signal:3-pin XLR,male and coaxial RCA& Optical AES3
Modes of Operation	Stereo,Mono,Bridge
Power Consumption 1/8 rated output power @ 4Ω	285W	411W	560W
Power Consumption 1/3 rated output power @ 4Ω	762W	1092W	1493W
Protector	240V/230V:F15A 120V/100V:F25A
Power Supply	240V,230V,120V or 100V;50Hz/60Hz(factory configured)
The height of Unit	2U
Product Dimension (WXDXH)	482X475X88mm
Net Weight	17.5kg	18.3kg	19.8kg
Shipping Dimension (WXDXH)	623×653×215mm/0.0875m3
Gross Weight	18.7kg	21.31kg	22.3kg

Back to Pro Audio Product Page