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Audio-Technica PRO 44 Cardioid Condenser Boundary Microphone
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    Audio-Technica PRO 44 Cardioid Condenser Boundary Microphone

    Manufacturer: Audio-Technica

    Item #: PRO-44   •   MFG #: PRO 44


    Our Price:$99.00
    Quantity Pricing

    free ship
    Availability: In Stock
    Item is Available for immediate shipping from our warehouse.



      With its half-space unidirectional polar pattern, low-profile design, and outstanding sound quality, the Audio Technica PRO 44 is ideal for conference tables, podiums, lecterns and other installed-sound uses. This versatile boundary mic's self-contained electronics eliminate the need for external power modules. The PRO 44 is equipped with a wide-range condenser element with low-mass diaphragm for superior performance.

      The PRO 44 is a wide-range condenser microphone with a hemi-cardioid (half-space cardioid) polar pattern. It was designed for surface-mounted applications in high-quality sound reinforcement and other demanding sound pickup situations. Its low-profile design makes the PRO 44 ideal for use in applications where minimum visibility is required.

      The PRO 44 can be powered from any external 9V to 52V DC phantom power source. A 25' (7.6 m) cable with TA3F and XLRM-type connectors is provided for use between the microphone and electronics input.

      Audio-Technica design engineers have utilized the newest low-mass technology in the quest for superior performance. The charge is now on the fixed back plate, rather than the moving element. With the A-T fixed-charge back plate construction, a gold-vaporized diaphragm just 2 microns thick (about 0.000079") can be used. This reduces moving mass substantially, improving frequency response and transient response while reducing distortion.

      Positioning a properly designed miniature unidirectional microphone centrally on a large, flat, unobstructed surface yields several distinct advantages. Directionality is increased by 3 dB, promoting enhanced gain before feedback and further suppression of ambient noise. Sensitivity is increased for improved signal-to-noise ratio. Phase distortion due to reflected sound energy from the boundary itself is eliminated.

      The microphone element is enclosed in a rugged housing with a black finish. The rubber non-slip bottom pad minimizes mechanical coupling of surface vibrations to the microphone.

      Wide-range condenser element with low-mass diaphragm for superior performance
      Uniform cardioid polar pattern for maximum rejection of unwanted sounds
      Self-contained electronics eliminate need for external power module
      Rugged design and construction for reliable performance
      Low-profile design for minimum visibility

      Did You Know...... that while boundary mics are widely utilized in conference rooms and training applications many Audio Engineers use them as drum recording mics. It's true! Musicians and Audio Engineers can benefit from a pair of boundary mics by placing them on the floor on both sides of a kick drum, on the walls or even inside the kick drum. Have fun experimenting to find your killer drum sound.

      • Features

        • Low profile for minimum visibility
        • Wide-range condenser element with low-mass diaphragm for superior performance
        • Self-contained electronics eliminate need for external power modules
        • Rugged design and construction
        • 25' (7.6 m) detachable cable (TA3F to XLRM-type)
      • Specifications

        • Element: Fixed-charge back plate permanently polarized condenser
        • Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
        • Frequency Response: 70-16,000 Hz
        • Open Circuit Sensitivity: -25 dB (56.2 mV) re 1V at 1 Pa*
        • Impedance: 100 ohms
        • Maximum Input Sound Level: 114 dB SPL, 1 kHz at 1% T.H.D.
        • Signal-to-noise Ratio: 66 dB, 1 kHz at 1 Pa*
        • Dynamic Range (Typical): 86 dB, 1 kHz at Max SPL
        • Phantom Power Requirements: 9-52V DC, 2 mA typical
        • Weight (less cable): 2.4 oz (67 grams)
        • Dimensions: 2.87" (73.0 mm) max width, 3.56" (90.5 mm) max length, 0.59" (15.0 mm) height
        • Cable: 25' (7.6 m) long, 0.10" (2.6 mm) diameter, 2-conductor, shielded cable

          * 1 Pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL

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