DA2250 2 x 250W Class D Amplifier - DSPPA Audio

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DA2250 2 x 250W Class D Amplifier
DSPPA Audio

DA2250 is a 2 channel digital amplifier which is designed for commercial and industrial public address applications. Fully rack-mountable at 1U in height and the rated power is 2x250W
DA2250 has both balanced and unbalanced line inputs for each channel. The balanced line outputs can feed to another power amplifier enabling the signal to be less noisy and travel a longer distance. The 70V and 100V speaker outputs are convenient for installation when selecting different speakers. Protection of the amplifier includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temperature. This product can be called 2 channel power amp or 2 channel 70v amplifier. 

Features

● High efficiency (85%) and with standby function for power saving
● 2 channel amplifiers within one 1U & 19" case
● With 2 audio inputs and 2 channel speaker inputs
● With 2 priority inputs and 2 100V inputs (distant input)
● 70V/100V speaker output for long distance transfer
● Industrial design for audio project, long term & stable use

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Questions & Answers

  • Specifications

    Model

    DA2250

    DA2500

    DA4125

    DA4250

    Number of channels

    2

    2

    4

    4

    Rated output power of each channel

    250W

    500W

    120W

    250W

    Input sensitivity

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

    SNR (signal-to-noise ratio)

    >80dB (100VRMS output)

    Input impedance

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

    Channel separation

    >70dB(1KHz)

    Frequency response

    80Hz-15kHz (±3dB normal operating conditions)

    THD (total harmonic distortion)

    <0.3 %     (1kHz normal operating conditions)

    Up speed

    >29V/us

    Priority threshold

    >10mVp (prior balanced line input) >1000mVp (prior100VRMS line input)

    Indicators

    “Protection”, “Limit”, “Voltage limit”, “Signal”, “70V gear”

    Protection

    Power-on, high temperature, DC, short circuit

    Power supply

    AC180-250V/50Hz   DC24V (rated output power -3dB)

    Overall dimensions (mm)

    （L×W×H）552×510×105         

    Machine dimension (mm)

    （L×W×H）483×435×44 (not including machine legs)

    Machine legs

    Four 6.5mm high soft plastic machine legs, can be removed as needed

    Power consumption (AC220V)

    610W

    1270W

    653W

    1240W

    Power consumption (DC24V)

    350.4W

    720W

    398.4W

    708W

    Static power consumption (AC220V)

    38W

    42W

    63.5W

    57W

    Static power consumption (DC24V)

    38.4W

    43.2W

    62.4W

    57.6W

    Gross weight (kg)

    7.4

    7.4

    8

    8

    Net weight (kg)

    6.4

    6.4

    7

    7

  • Manuals & Datasheets

    DA2250 Datasheet

    DA2250 Manual

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