DA2250 125W-500W 2 Channels Class-D Digital Power Amplifier

Name: DA2250 125W-500W 2 Channels Class-D Digital Power Amplifier
Brand: Guangzhou DSPPA Audio Co., Ltd.

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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Introduction
Specification
Connection

This Class D digital amplifier DA2250 is a 2 channel digital amplifier , which designed for commercial and industrial public address applications. Rack mount of this amp digital design in 1U type and rated power is 2*125W/250W/500W.
DA2250 is also called two channel amplifier, 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 of this Class D digital amplifier include 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.
DA2250 125W-500W 2 Channels Class-D Digital Power Amplifier

Model	DA2125	DA2250	DA2500	DA4060	DA4125	DA4250
Number of channels	2	2	2	4	4	4
Rated output power of each channel	120W	250W	500W	60W	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)	339W	610W	1270W	347.6W	653W	1240W
Power consumption (DC24V)	206.4W	350.4W	720W	223.2W	398.4W	708W
Static power consumption (AC220V)	38W	38W	42W	57.5W	63.5W	57W
Static power consumption (DC24V)	38.4W	38.4W	43.2W	60W	62.4W	57.6W
Gross weight (kg)	7.4	7.4	7.4	8	8	8
Net weight (kg)	6.4	6.4	6.4	7	7	7

DA2250 125W-500W 2 Channels Class-D Digital Power Amplifier

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