Micro dành cho nhạc cụ Shure BETA 27

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  • Micro dành cho nhạc cụ Shure BETA 27




    The Beta 27 is ideal for a wide variety of acoustic, wind and electric instruments, such as guitar and bass amplifiers, drum, percussion and piano. The tight supercardioid polar pattern ensures high gain-before-feedback and provides maximum isolation from other sound sources making it perfect for live stage applications.


    Đặc điểm nổi bật :  Micro Shure BETA 27


    • Supercardioid polar pattern specifically targets the sound source consistently with greatly minimized bleed from off-axis sound sources
    • Tailored for superior transient response from a low-mass, 1” externally-biased, ultra-thin 24 Karat gold-layered Mylar® diaphragm
    • Flat, neutral frequency response for natural reproduction on stage or in the studio
    • 3-position switchable low-frequency filter helps reduce unwanted background noise or counteract proximity effect for consistent, extended lowend
    • 15 dB switchable attenuator handles extremely high SPLs with ease
    • Premium electronic components and gold-plated internal and external connectors
    • Internal pop filter with three separate mesh layers reduces wind and breath noise.


    Thông số kĩ thuật :  Micro Shure BETA 27


    Type Condenser (externally biased)
    Frequency Response 20 to 20,000 Hz
    Polar Pattern Supercardioid
    Impedance 160
    (at 1 kHz, open circuit voltage)
    −37 dBV/Pa
    1 Pascal=94 dB SPL
    Maximum SPL
    (1 kHz at 1% THD)
    1000 Ω load: 134 dB (148 dB, Pad on)
    2500 Ω load: 140 dB (154 dB, Pad on)
    Signal-to-Noise Ratio
    (referenced at 94 dB SPL at 1 kHz)
    85.5 dB
    S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
    Dynamic Range
    (at 1 kHz)
    1000 Ω load: 125.5 dB
    2500 Ω load: 131.5 dB
    Common Mode Rejection
    (20 Hz to 20 kHz)
    > 50 dB
    Clipping Level
    (20Hz-20 kHz at 1% THD)
    1000 Ω load: 2.0 dBV
    2500 Ω load: 8.5 dBV
    THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
    Self Noise
    (typical, equivalent SPL, A-weighted)
    8.5 dB
    Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
    Weight Net: 428 g (15.1 oz.)
    Switch Attenuator: -15 dB
    Low Frequency Response: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz
    Connector Three-pin professional audio (XLR), male
    Power Requirements 48 Vdc phantom, 5.6 mA