Dynacord Professional Power Amplifiers manual DSA Series - Multi-Channel, technical specifications

DSA Series - Multi-Channel

DSA Series - Multi-Channel

technical specifications

General

DSA 8405

DSA 8805

Load Impedance

2 Ω

4 Ω

8 Ω

70 V /

100 V /

2 Ω

4 Ω

8 Ω

70 V /

100 V /

10Ω

20Ω

10Ω

20Ω

Maximum Midband Output

500 W

500 W

250 W

500 W

500 W

500 W

500 W

250 W

500 W

500 W

Power, 1 kHz, THD=1%,

VLD:500 W

VLD:500 W

4 channels driven

Rated Output Power,

450 W

450 W

225 W

450 W

450 W

450 W

450 W

225 W

450 W

450 W

20 Hz ... 20 kHz, THD <0.3%, 4

VLD:450 W

VLD:450 W

channels driven

Maximum Bridged Output Power

-

1000 W

1000 W

1000 W /

1000 W /

-

1000 W

1000 W

1000 W

1000 W

1 kHz, THD=1%

20 Ω

40 Ω

/ 20 Ω

/ 40 Ω

Maximum RMS Voltage Swing

32 V

45 V

70 V

100 V

32 V

45 V

70 V

100 V

1 kHz, THD=1%

Input Sensitivity,

0.775 V

1.1 V

1.55 V

0.775 V

1.1 V

1.55 V

rated power, 1 kHz

(+0.0 dBu)

(+3.0 dBu)

(+6.0 dBu)

(+0.0 dBu)

(+3.0 dBu)

(+6.0 dBu)

Power Bandwidth, THD=1%,

10 Hz ... 25 kHz

50 Hz ... 25 kHz

10 Hz ... 25 kHz

50 Hz ... 25 kHz

ref. 1kHz, half power @ rated load

Voltage Gain ref. 1 kHz

32 dB

33 dB

36 dB

32 dB

33 dB

36 dB

THD at rated output power

< 0.05 %

MBW=80kHz, 1 kHz

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,

< -80 dB

ref. 1 kHz at rated output power

Frequency Response,

15 Hz ... 30 kHz (± 1dB)

ref. 1 kHz, 8 Ω load

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

< -64

dBu

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

490 W

930 W

at 1/8 maximum output

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)

62