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MC7540 4-channel digital power amplifier

产品编号:1065211086971228160

零售价

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市场价

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Using self-developed super-capacity switching power supply digital power amplifier. Compared with open-loop or semi-closed-loop control methods, compound feedback control can greatly reduce the influence of power fluctuations, switching devices and LC filter errors and non-idealization, so that key technical indicators such as distortion, frequency response, and damping coefficient can be greatly improved. The amplitude is improved and the hearing performance is perfect. The switching power supply is optimized and designed according to the working characteristics of the audio amplifier, with strong power, quick response and little interference to audio signals. In addition to multiple protection circuits such as short-circuit, over-current, over-temperature, and ultra-high frequency, it also pays attention to humanized design to facilitate operation and prevent possible misoperation.

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  • 产品详情
  • Using self-developed super-capacity switching power supply digital power amplifier. Compared with open-loop or semi-closed-loop control methods, compound feedback control can greatly reduce the influence of power fluctuations, switching devices and LC filter errors and non-idealization, so that key technical indicators such as distortion, frequency response, and damping coefficient can be greatly improved. The amplitude is improved and the hearing performance is perfect. The switching power supply is optimized and designed according to the working characteristics of the audio amplifier, with strong power, quick response and little interference to audio signals. In addition to multiple protection circuits such as short-circuit, over-current, over-temperature, and ultra-high frequency, it also pays attention to humanized design to facilitate operation and prevent possible misoperation. 1U height 19-inch standard rack size, small size, light weight, suitable for mobile and fixed installation. There are two working modes: STEREO (A and B, C and D work independently in this mode), PARALLEL (In this mode, the device outputs a mono channel signal source through a dual amplifier system).
     
    Specifications
    Output: 4x300W
    Frequency response: 20Hz~20kHz ±3dB
    Total distortion: 1% (at 8Ω, 350W)
    Input sensitivity: +4dB * (1.23V)
    Input impedance: 10kΩ (electronically balanced)
    Signal to noise ratio: ≥80dB
    Size: 483x45x500(mm)
    Net weight: 5.40kg
     
    MC7540 four-channel digital power amplifier size chart
     
     
     
    MC7540 four-channel digital power amplifier panel function display diagram
     

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