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  • Coles 4104

    Coles 4104 Commentator's Noise Cancelling Ribbon Microphone

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    The Coles 4104 Commentator's Noise Cancelling Ribbon Microphone is of British Broadcasting (BBC) design. The 4104 is an ideal tool for reproducing high-quality commentary speech when in noisy surroundings by canceling out a considerable amount of background noise.

      • Coles 4104 Product Features:

        The 4104 has a proven reliable performance capability, being since its introduction used by such broadcasting networks as the BBC, IBA, CBS, and ABC.

        The 4104 is not unduly affected by wind noise and can be used in air stream velocities up to 20 mph (32 km) without notable differences in speech quality. With the use of a simple windshield attachment good quality speech reproduction can also be achieved in winds ranging up to 40 mph (64 km) or more.

        Importantly the polar response is effectively bi-directional allowing one or more commentators to make clear individual commentary close side by side without interference from mutual cross-over talk.

        This microphone is generally regarded as the leader in its field. Wherever it is essential to single out a speaker's voice without transmitting background noise, this is the choice of buyers from all over the world.

        One example application is its use in sports reporting, selecting the spoken commentary and cutting out the roar of racing cars at Brands Hatch or the screams of the little old ladies in the ringside seats at wrestling contests. News reporters broadcasting eyewitness accounts of processions and street demonstrations have also depended on this type of microphone.

        Equally important is its application in noisy industrial environments; prompt information and explicit instruction may be matters of life and death in a shunting yard or rolling mill, and a noise-cancelling microphone of this quality is the most vital element in such communications.

        (Also available with push and talk switch)

      • Coles 4104 Technical Specifications:


        Ribbon microphone

        Polar Pattern


        Frequency Response

        60 Hz to 12 kHz

        Dynamic Range (Typical)

        Not specified by manufacturer

        Signal-to-Noise Ratio

        Distortion less than 1% at an SPL of 120 dB

        Maximum Input Sound Level

        Not specified by manufacturer

        Power Requirements

        Ribbon transducer—no external power required

        Output Impedance

        300 Ohms

        Output Connectors

        3-pin XLR male



        Low Frequency Roll-Off

        Low frequency roll-off at 16 Hz

        Dimensions (L x W x D)

        7.9 x 2.2 x 3.0" (20.1 x 5.6 x 7.6 mm)


        10 oz (283 g)