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High End Class D Amplifiers

DA4125 4x125W 4 Channels Class D Digital Amplifier
70V/100V power output optional
Full digital with 4*125W high efficiency
With priority input function and 100V input available

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Features

70V/100V power output optional

Full digital with 4*125W high efficiency

With priority input function and 100V input available

1 U slim design, space and cost saving

With standby function for power saving


Description

This is a Class D digital amplifier designed for commercial and industrial public address applications. Rack mount design in 1U type and rated power is4*125W.

Both balanced and unbalanced line inputs are available for each channel. Balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. 70V, 100V speaker outputs are convenient for installation when selection different speaker matching. Complete protection includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temperature.


Specification

Model

DA4060

DA4125

DA4250

Channels

4

4

4

Rated power/channel

60W

125W

250W

Rated output voltage

70V/100V

Input sensitivity

775mVRMS(0dBV/balanced input);
100VRMS (100V unbalanced input

S/N Ratio

> 80dB

Input impedance

60K ohms (balanced), 20K ohms (priority), 100K ohms (100V unbalanced)

Frequency response

80Hz-15kHz (±3dB)

Total harmonic distortion

<0.3 % (1kHz)

Power Consumption

300W

600W

1200W

Power requirement

AC180-260V/50-60Hz DC24V(rated power -3dB)


1. Front Panel

Four Channels

image005.jpg


1. Status indicators

2. Volume controller

3. Power switcher


2. Rear Panel

Four Channels

image007.jpg


1. 220V AC input(with fuse)

2. 24V DC input(maximum core Φ6mm)

3. Fan

4. 70V/100V output

5. 70V/100V switcher

6. Priority 100VRMSunbalanced input

(two poles 3.96 phoenix)

7. Priority balanced AUX input(three poles 3.96 phoenix)

8. Balanced AUX input(three poles 3.96 phoenix)

9. Balanced AUX output(three poles 3.96 phoenix)


3. Connection

TIM截图20180423111749.jpg

3.1 Input connection

image016.jpgimage017.jpg


P——Signal(+)

G——Ground

N——Signal(-)

100V——100V output(hot end)

GND——Ground(cold end)


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