Dynacord Professional Power Amplifiers Stereo Amplifier User Manual


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dsa se ri es - Mu l t i -CH a n n e l
62
General
DSA 8405
DSA 8805
Load Impedance
2Ω 4Ω 8Ω 70V/
10Ω
100V/
20Ω
2Ω 4Ω 8Ω 70V/
10Ω
100V/
20Ω
Maximum Midband Output
Power, 1kHz,THD=1%,
4channelsdriven
500W 500W 250W
VLD:500W
500W 500W 500W 500W 250W
VLD:500W
500W 500W
Rated Output Power,
20Hz...20kHz,THD<0.3%,4
channelsdriven
450W 450W 225W
VLD:450W
450W 450W 450W 450W 225W
VLD:450W
450W 450W
Maximum Bridged Output Power
1kHz,THD=1%
- 1000W 1000W 1000W/
20Ω
1000W/
40Ω
- 1000W 1000W 1000W
/20Ω
1000W
/40Ω
Maximum RMS Voltage Swing
1kHz,THD=1%
32V 45V 70V 100V 32V 45V 70V 100V
Input Sensitivity,
ratedpower,1kHz
0.775V
(+0.0dBu)
1.1V
(+3.0dBu)
1.55V
(+6.0dBu)
0.775V
(+0.0dBu)
1.1V
(+3.0dBu)
1.55V
(+6.0dBu)
Power Bandwidth, THD=1%,
ref.1kHz,halfpower@ratedload
10Hz...25kHz 50Hz...25kHz 10Hz...25kHz 50Hz...25kHz
Voltage Gain ref.1kHz
32dB 33dB 36dB 32dB 33dB 36dB
THD atratedoutputpower
MBW=80kHz,1kHz
<0.05%
IMD-SMPTE, 60Hz,7kHz
<0.05%
DIM 30, 3.15kHz,15kHz
<0.02%
Max. Input Level
+22dBu(9.76Vrms)
Crosstalk,
ref.1kHzatratedoutputpower
<-80dB
Frequency Response,
ref.1kHz,8Ωload
15Hz...30kHz(±1dB)
Input Inpedance,activebalanced
20kΩ
Damping Factor, 1kHz,8Ω
>240
Slew Rate
28V/µs
Signal to Noise Ratio, A-weighted
98dB 100dB 104dB 106dB 98dB 100dB 104dB 106dB
Output Noise, A-weighted
<-66dBu <-65dBu <-65dBu <-64dBu <-66dBu <-65dBu <-65
dBu
<-64
dBu
Output Stage Topology
Class-D
Power Requirements
220-240V,50-60Hzor120V,50-60Hzor100V,50-60Hz
Power Consumption
at1/8maximumoutput
490W 930W
Protections
AudioLimiters,HighTemperature,DC,HF,ShortCircuit,PeakCurrentLimiters,InrushCurrentLimiters,Turn-onDelay,Mains
CircuitBreakerProtection,MainsOver/UndervoltageProtection
Cooling
Front-to-Rear,temperaturecontrolledfans
Ambient Temperature Limits
+5°C...+40°C(40°F...105°F)
Safety Class
I
Dimensions (WxHxD), mm
481x88.0x421
Weight
11.1kg(24.3lbs) 13.9kg(28.7lbs)
DSA Series - Multi-Channel
TECHNICAL SPECIFICATIONS
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