DA SERIES 2 Channel Amplifier

The DA series professional amplifier is a class D digital amplifier with switching power supply, using a special circuit design technique, focusing on the stability of the products in the long-term continuous full power conditions, improving the protection function to avoid damages caused by operation mistakes and embarrassments caused by error protection. The main components of the PCB board using SMT technology manufacturing and through computer simulation aided design circuit layout, so that the amplifier has a high signal to noise ratio and anti-jamming capability. The DA series products have a higher damping and perfect filtering system, so that the high frequency is more delicate and softer, low frequency is more powerful. And small size with light weight is more convenient to use.

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Description

SPECIFICATIONS

 

 MODEL DA502 DA902 DA1302 DA1502
(EIA 1KHZ 1% THD) STEREO POWER  8 ohms 2×500W 2×900W 2×1300W 2×1500W
STEREO POWER  4 ohms 2×750W 2×1350W 2×1950W 2×2200W
BRIDGE POWER 8 ohms 1500W 2700W NG 4400W
FREQUENCY RESPONSE 20Hz-20KHz -3dB+0.5dB 20Hz-20KHz -3dB+0.5dB 20Hz-20KHz -3dB+0.5dB 20Hz-20kHz,±1dB
INPUT SENSITIVITY 0.77V/26dB/1.4V 0.77V/26dB/1.4V 0.77V/26dB/1.4V 1.2V/32dB/26dB
SIGNAL TO NOISE ＞98dB ＞98dB ＞98dB ＞100dB
THD ＜0.15% ＜0.15% ＜0.15% ≤0.3%
INPUT IMPEDANCE 20KΩ(BALANCED )10KΩ(UNBALANCED)
CROSSTALK (8 ohm 1KHz) ≥62dB
DAMPING FACTOR ≥230 ≥230 ≥230 ≥230
SLEW RATE 25V/μs 25V/μs 25V/μs 20V/us
PROTECTION FUNCTION SOFT START  / OVERHEATING / OVERCURRENT / DIRECT CURRENT / RADIO FREQUENCY
MAIN POWER SUPPLY AC:220-230V  50Hz AC:220-230V  50Hz AC:220-230V  50Hz AC:220-230V  50Hz
DIMENSIONS 482.0×319.5×88.0 482.0×319.5×88.0 482.0×319.5×88.0 482×371.5×88
NET WEIGHT 7.1Kg 7.2Kg 7.3Kg 9.5Kg

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