Dynacord Professional Power Amplifiers Stereo Amplifier User Manual


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dsa se ri es - du a l -CH a n n e l
64
DSA Series - Dual-Channel
TECHNICAL SPECIFICATIONS
General
DSA 8204
DSA 8206
Load Impedance
2Ω 4Ω 8Ω 2Ω 4Ω 8Ω
Maximum Midband Output Power, 1kHz,THD=1%,DualChannel
650W 450W 270W 900W 600W 380W
Rated Output Power, 20Hz...20kHz,THD<0.1%
- 400W 200W - 500W 250W
Max. Single Channel Output Power Dynamic-Headroom,IHF-A
1150W 660W 350W 1700W 950W 480W
Max. Single Channel Output Power Continuous,1kHz
850W 540W 310W 1200W 750W 420W
Maximum Bridged Output Power 1kHz,THD=1%
- 1300W 900W - 1800W 1200W
Maximum RMS Voltage Swing 1kHz,THD=1%
55.3V 65.1V
Power Bandwidth, THD=1%,ref.1kHz,halfpower@4Ω
10Hz...30kHz
Voltage Gain ref.1kHz
32dB
Input Sensitivity atratedoutputpower@8Ω,1kHz
+2.2dBu(1.0Vrms) +3.1dBu(1.11Vrms)
THD atratedoutputpowerMBW=80kHz,1kHz
<0.03%
IMD-SMPTE, 60Hz,7kHz
<0.1%
DIM 30, 3.15kHz,15kHz
<0.05%
Max. Input Level
+21dBu(8.69Vrms)
Crosstalk, ref.1kHzatratedoutputpower
<-80dB
Frequency Response, ref.1kHz
10Hz...40kHz(±1dB)
Input Inpedance,activebalanced
20kΩ
Damping Factor, 1kHz
>300
Slew Rate
25V/µs 26V/µs
Signal to Noise Ratio, A-weighted
106dB 107dB
Output Noise, A-weighted
<-71dBu
Output Stage Topology
Class-AB
Power Requirements
100V,120V,230V,240V,50Hz...60Hz(factorycongured)
Power Consumption at1/8maximumoutputpower@4Ω
550W 700W
Mains Fuse
240V/230V:T10AH,
120V/100V:T20AH
240V/230V:T12AH,
120V/100V:T25AH
Protections
Audiolimiters,Hightemperature,DC,HF,Back-EMF,Peakcurrentlimiters,
Inrushcurrentlimiters,Turn-ondelay
Cooling
Front-to-Rear,3-stage-fans
Ambient Temperature Limits
+5°C...+40°C(40°F...105°F)
Safety Class
I
Dimensions (WxHxD), mm
483x88.1x421.5
Weight
12.6kg(27.8lbs) 14.8kg(32.6lbs)
Remote Power On
Powerremoteviaswitch,delaytimeselectable
Signal Processing
Lo-Cut50Hz/18dB,switchable
Optional Accesories:
2-Way crossover, internal filter card, 24dB, LR
330Hz (NRS 90249), 500Hz (NRS 90250)
800Hz (NRS 90251), 1200Hz (NRS 90252)
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