PA2250T - 2x250w双通道功放 by Electro-Voice

PA2250T

2x250w双通道功放

  • 在70/100V或4Ω线路中最高可输出2 x 270W;桥接模式下可输出1 x 540W/8Ω;2RU设计;后步进衰减器;可以选择50 Hz或300 Hz高通滤波器;Phoenix型输入输出端;高效率电路设计;三个风扇,气流从前至后散热;配有保护箱

Electro-Voice PA2250T属于PA系列专业商用音频放大器。PA2250T音质出色,可满足条件最苛刻且需要长期使用的要求,例如扩音、公共扩音或救生设备。PA1250T具有EV功放通常采用的大量综合保护电路。通过温度监控、音频限幅器、开机延时器和峰值电流限流器提供全面保护。

Specifications

Height 88
Width 483
Depth 406

Weight Net 23.5
Frequency Response (-3 dB) 65Hz - 40kHz
Continuous Rated Power (1 kHz, THD 1%) 70v 270
Continuous Rated Power (20-20 kHz, THD<0,2%) 100v 250
Continuous Rated Power (20-20 kHz, THD<0,2%) 70v 250
Continuous Rated Power (20-20 kHz, THD<0,2%) 4Ω 250
Continuous Rated Power (1 kHz, THD 1%) 2Ω 270
Impedance 4/8 (70V/100V)
Continuous Rated Power (1 kHz, THD 1%) 8Ω 135
Crosstalk < < -75
Continuous Rated Power (20-20 kHz, THD<0,2%) 8Ω 125
Rated output power (*rated load) THD < 1%, 1kHz 270/135 (70V/100V-270)
Total Harmonic Distortion < 0.1
Rated output power (*rated load) THD < 0.2%, 20Hz – 20kHz 250/125 (70V/100V-250)
Slew Rate 18 (70V-41, 100V-61)
Channels 2
Intermodulation Distortion (SMPTE) < 0.1
DIM 30 < 0.1
Signal-to-Noise Ratio (A-weighted) 103
Input Impedance (Balanced) > 20
Input Sensitivity 0 dBu (775mV) (@ rated output power or voltage, 1kHz)
Number of Channels 2
Network Control (IRIS-Net) No
Amplifier Gain 34.3
Continuous Rated Power (1 kHz, THD 1%) 100v 270
Continuous Rated Power (1 kHz, THD 1%) 4Ω 270

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