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SM-1.4 digital power amplifier


◆ Advanced high-efficiency switching power supply and Class D power amplification circuit (CLASS D) design; ◆ More than 90% energy conversion efficiency, energy saving and environmental protection; ◆ A variety of sensitivity and compression mode to choose from, bridge function; Perfect protection system, to ensure that the products work in an orderly manner; ◆High quality power supply, strong anti-interference ability, high stability, high conversion efficiency, strong protection ability; ◆ High-quality imported capacitors, multi-stage filtering, reduce AC interference, and make the sound more clean and beautiful; ◆ It has the characteristics of fresh and sweet sound and strong bass; ◆ Suitable for medium and large bars, various mobile performances, portable sound reinforcement applications.

Category:

Professional power amplifier

  • Product Description
  • Detailed parameters
    • Commodity name: SM-1.4 digital power amplifier
    • Commodity ID: SM-1.4

    ◆ Advanced high-efficiency switching power supply and Class D power amplification circuit (CLASS D) design; ◆ More than 90% energy conversion efficiency, energy saving and environmental protection; ◆ A variety of sensitivity and compression mode to choose from, bridge function; Perfect protection system, to ensure that the products work in an orderly manner; ◆High quality power supply, strong anti-interference ability, high stability, high conversion efficiency, strong protection ability; ◆ High-quality imported capacitors, multi-stage filtering, reduce AC interference, and make the sound more clean and beautiful; ◆ It has the characteristics of fresh and sweet sound and strong bass; ◆ Suitable for medium and large bars, various mobile performances, portable sound reinforcement applications.

    Key features:
    ◆ Advanced high-efficiency switching power supply and Class D power amplification circuit (CLASS D) design;
    ◆ More than 90% energy conversion efficiency, energy saving and environmental protection;
    ◆ A variety of sensitivity and compression mode to choose from, bridge function;
    Perfect protection system, to ensure that the products work in an orderly manner;
    ◆High quality power supply, strong anti-interference ability, high stability, high conversion efficiency, strong protection ability;
    ◆ High-quality imported capacitors, multi-stage filtering, reduce AC interference, and make the sound more clean and beautiful;
    ◆ It has the characteristics of fresh and sweet sound and strong bass;
    ◆ Suitable for medium and large bars, various mobile performances, portable sound reinforcement applications.

    Key words:
    • 广州声曼电子
    • 专业音响
    • 会议音响
  • Technical parameters:
    Rated output power: 8Ω stereo 400W × 2
    Rated output power: 4Ω stereo 650W × 2
    Rated bridge output power: 8Ω bridge 1200W
    Power requirements: AC220V (can be customized AC110V)
    Structure: 1U metal chassis design
    Number of channels: 2CH
    Harmonic Distortion + Noise (1kHz,-10dB,4ohms) :<0.1%
    Frequency response: 15Hz-20kHz: ± 0.1dB (1W/8Ω)
    Input impedance: balanced 20K ohm unbalanced 10K Ohm degree: 0.775V
    Signal-to-noise ratio: ≥ 100dB
    Damping coefficient:(350:1,1Khz 8ohms)
    Conversion rate: 28V/US
    Output stage: Class-D
    LEDs: Power/Signal/Distortion/Clipping
    Input connector: Balanced Cannon male and female seat
    Output connector: SPEAKON (can be customized), terminal
    Cooling system: double variable speed fan, front to back exhaust
    Protection function: overheating, short circuit, DC output
    Size: 482 x 295 x 44mm

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