Dynacord Professional Power Amplifiers - Manual (Page 62)

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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