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HF-400series_Guangzhou Ze Tian audio equipment Co., Ltd.


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    HF-400series
    The HF series circuit is designed as H type. Power amplifier using power tube metal packaging, and power is a large power transformer installation. It has many functions, such as signal overload, intelligent automatic pressure limit, overload automatic attenuation (such as output power, output short circuit) power supply automatic attenuation, when the temperature exceeds the power amplifier output channel (default 120 C), or automatically cut off the output signal as the cooling condition of low shear and high shear failure.
    Adaptive range:
    Auditorium, conference room, music bar, KTV room
    Technical parameter:

    HF400 specification parameters (8 Ω 350W, 4 Ω 600W) 

    Number of amplifier channels: 2

    Stereo 8 Ω: 350W 

    Stereo 4 Ω: 600W 

    Bridging 8 Ω: 1200W 

    Input sensitivity: 0.775V/1.0V/1.4V 

    Signal to noise ratio (A-weighted): ≥ 86dB 

    Crosstalk attenuation: ≥ 60dB 

    Signal channel separation (crosstalk at 1KHz): ＞ 70dB Frequency response 1W 8Ohm, 20Hz-20kHz: ± 1dB 

    Damping coefficient/8 Ω/1000Hz: ≤ 240 

    Input impedance balanced/unbalanced: 20/10kohm 

    Amplifier gain: 34dB Analog channel: 3-pin XLR (including 2 × 3 audio link outputs), electronic balanced input 

    Trimming of total harmonic distortion below 1kHz and 1dB: ≤ 0.5% 

    Total harmonic distortion 20Hz-20kHz 1 watt: ＜ 0.05dB 

    Rotation rate: 15V/uS 

    Protection: soft start, short circuit, limiter, DC fault, AC fuse, thermal cutting 

    External dimensions (W × H × D) : 464 × eighty-eight × 430 mm 

    Net weight: 12.5kg

    Box Structure:HF-400series
    Detailed information

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