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NEW Shure SM137 Condenser Instrument Microphone

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$269.00

Available on backorder

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  • The SM137 is a versatile, flat-response cardioid condenser probe microphone with an ultra-thin diaphragm for a frequency response that combines a smooth high-end with a tight, controlled low-end and a 15db pad for natural sound reproduction in both acoustic and high volume performance applications

    Features:

    • Ultra-thin diaphragm for smooth high end and tight, controlled low end
    • 15dB pad for performance consistency across a wider range of high SPL sources
    • Low self-noise and transformerless preamplifier circuitry

    Specifications:

    Cartridge Type
    Permanently Biased Condenser

    Frequency Response
    20­ to 20,000 Hz

    Directional Polar Pattern
    Cardioid

    Output Impedance
    150 ohms (actual)

    Attenuation Switch
    0 dB or 15 dB attenuation

    Phantom Power
    48 Vdc +/- 4 Vdc (IEC­268­15/DIN 45 596), positive pins 2 and 3

    Current Drain
    5.2 mA typical at 48 Vdc

    Common Mode Rejection
    >50 dB, 20 Hz to 20 kHz

    Polarity
    Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3

    Dimensions and Weight
    24 mm (0.950 in.) diameter
    162 mm (6.375 in.) long
    195 grams (6.9 oz.)

    Sensitivity (typical, at 1000 Hz; 1 Pa = 94 dB SPL)
    -41 dBV/Pa

    Self­noise (typical, equivalent SPL; A-weighted (IEC 651))
    19 dB

    Maximum SPL@ 1000 Hz
    5000 ohms load (Attenuator on): 150 (165 dB)
    2500 ohms load (Attenuator on): 144 (159) dB
    1000 ohms load (Attenuator on): 139 (154 dB)

    Output Clipping Level*
    5000 ohms load: 15 dBV
    2500 ohms load: 9 dBV
    1000 ohms load: 3 dBV

    Dynamic Range (Attenuator On)
    5000 ohms load: 133 (136) dB
    2500 ohms load: 128 (130 dB)
    1000 ohms load: 122 (125) dB

    Signal to Noise Ratio**
    75 dB

    *20 Hz to 20 kHz; THD < 1%. THD of the microphone preamplifier when applied input signal is equivalent to the cartridge output at specified SPL.
    **S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.

  • Weight 3 lbs
    Dimensions 16 × 10 × 6 in
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