Dynacord Professional Power Amplifiers manual General, Load Impedance

Models: Professional Power Amplifiers

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DSA Series - Multi-Channel

DSA 8805

General

 

 

 

 

DSA 8410

 

 

 

Load Impedance

2 Ω

 

4 Ω

 

8 Ω

 

70 V /

 

100 V /

 

 

 

 

 

 

 

 

10Ω

 

 

 

 

 

 

 

 

 

 

Maximum Midband Output Power, 1 kHz, THD=1%, 4 channels

1000 W

 

1000 W

 

500 W

 

1000 W

 

1000 W

driven

 

 

 

 

VLD:1000 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Output Power, 20 Hz ... 20 kHz, THD <0.3%, 4 channels

900 W

 

900 W

 

450 W

 

900 W

 

900 W

driven

 

 

 

 

VLD:900 W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum Bridged Output Power

-

 

2000 W

 

2000 W

 

2000 W / 10 Ω

 

2000 W /20 Ω

1 kHz, THD=1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum RMS Voltage Swing

45 V

 

 

63 V

 

70 V

 

100 V

1 kHz, THD=1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Sensitivity, rated power, 1 kHz

1.1 V

 

 

1.55 V

 

1.55 V

 

(+3.0 dBu)

 

(+6.0 dBu)

 

(+6.0 dBu)

 

 

 

 

 

 

 

Power Bandwidth, THD=1%, ref. 1kHz, half power @ rated load

 

10 Hz ... 25 kHz

 

50 Hz ... 25 kHz

 

 

 

 

 

 

 

 

 

Voltage Gain ref. 1 kHz

 

 

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, 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

101 dB

 

 

103 dB

 

104 dB

 

106 dB

 

 

 

 

 

 

 

 

Output Noise, A-weighted

< -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

 

 

 

 

840 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)

 

 

 

 

 

 

 

 

 

 

 

 

 

63

Page 63
Image 63
Dynacord Professional Power Amplifiers manual General, Load Impedance