Shure KSM44A Multipattern Condenser Mic

(Crystal)  Sku #H14002000001000

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A large dual-diaphragm side-address condenser mic offering cardioid, omnidirectional, and bidirectional patterns.

The KSM44A is a premium, large-diaphragm, side-address condenser microphone with multiple polar pattern options (cardioid, omnidirectional, bidirectional). The refined and sophisticated design of the KSM44A features an externally biased, dual 1" diaphragms, extensive internal pop filtering, and Prethos Advanced Preamplifier Technology for a groundbreaking threshold minimum of self-noise. The KSM44A is an exceptional choice for a high level of professional studio and stage performance.

A milestone achievement in sound reinforcement, Prethos Advanced Preamplifier Technology employs transparent internal circuitry architecture that enables you to achieve unprecedented audio quality and performance.

  • Prethos Advanced Preamplifer Technology: Class A, discrete, transformerless preamplifier provides transparency, extremely fast transient response and no crossover distortion, as well as minimizes harmonic and intermodulation distortions
  • 4dB of self-noise and max SPL of 131dB for a total dynamic range of 127dB”an increase of 7dB for cleanly nuanced audio capture
  • Multiple polar patterns-cardioid, omnidirectional and bidirectional”for maximum flexibility in a wide variety of recording applications
  • Dual 1", externally biased, ultra-thin, 2.5m, 24 Karat gold-layered, low-mass diaphragms provide superior frequency response
  • Premium electronic components and gold-plated internal and external connectors
  • Subsonic filter eliminates rumble from mechanical vibration below 17Hz
  • Switchable 15dB pad for handling extremely high sound pressure levels (SPLs)
  • 3-position switchable low-frequency filter helps reduce unwanted stand vibration noise or counteract proximity effect
  • Integrated three-stage "pop" protection grille reduces plosives and other breath noise

Give yourself a nice versatile mic by ordering the KSM44A today!


KSM44A Multipattern Condenser Mic Specifications:

  • Cartridge type: Dual-diaphragm, externally-biased condenser
    Polar Pattern: Cardioid, omnidirectional, bidirectional
    Frequency response: 20 to 20,000Hz
    Output impedance: 50?
    Attenuator switch: 15dB
    Low-Frequency filter switch: Flat, -6dB/octave below 115Hz, or -18dB/octave below 80 H
    Power requirements: 11-52 V DC phantom power (IEC-61938) 5.8 mA, maximum
    Common Mode Rejection (10 to 100,000Hz): > 50dB
    Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
    Net weight: 492g (17.4oz.)
    Connector: Three-pin professional audio (XLR). male, balanced
    Sensitivity (open circuit voltage, @ 1kHz, typical)
    Cardioid: -31dBV/Pa  (29.8 mV)
    Omnidirectional: -37dBV/Pa  (14.8 mV)
    Bidirectional:-36dBV/Pa  (16.8 mV)
    Self Noise (equivalent SPL, A-weighted, typical)
    Cardioid: 4dB SPL-A
    Omnidirectional: 6dB SPL-A
    Bidirectional:7.5dB SPL-A
    Preamplifier Distortion (at 1kHz, 94dB SPL)
    Cardioid, Omnidirectional, Bidirectional: <0.001%*
    Signal-to-Noise Ratio**
    Cardioid: 90dB
    Omnidirectional: 88dB
    Bidirectional: 86.5dB
    Clipping Level (20Hz to 20kHz, 1% THD)
    Cardioid, Omnidirectional, Bidirectional-2500?: load9dBV
    Cardioid, Omnidirectional, Bidirectional-1000?: load 6dBV
    Dynamic Range (@ 1kHz)-2500? load
    Cardioid: 130dB
    Omnidirectional: 134dB
    Bidirectional: 131dB
    Dynamic Range (@ 1kHz)-1000? load
    Cardioid: 127dB
    Omnidirectional: 131dB
    Bidirectional: 128dB
    Maximum SPL (1kHz at 1% THD)*-2500? load:
    PAD OFF:
    Cardioid: 134dB SPL
    Omnidirectional: 140dB SPL
    Bidriectional: 139dB SPL
    PAD ON:
    Cardioid: 150dB SPL
    Omnidirectional: 152dB SPL
    Bidriectional: 151dB SPL
    Maximum SPL (1kHz at 1% THD)*-1000? load:
    PAD OFF:
    Cardioid: 131dB SPL
    Omnidirectional: 137dB SPL
    Bidriectional: 136dB SPL
    PAD ON:
    Cardioid: 147dB SPL
    Omnidirectional: 149dB SPL
    Bidriectional: 148dB SPL

    *THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL
    **S/N ratio is the difference between 94dB SPL and equivalent SPL of self noise, A-weighted
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