Coles 4104HS Reusable Hygiene Screen for 4104B Lip Microphone

Better than 30 dB average discrimination between voice and ambient background noise. Natural, broadcast quality speech, free of popping and breathe noises. Ideal for ENG use, even in windy environments. 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 difference 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.

The Coles Electroacoustics 4104 Commentator's Noise Cancelling Ribbon Microphone (lip mic) is of British Broadcasting (BBC) design and used for reproducing high quality commentary speech from noisy surroundings by cancelling out a considerable degree of background noise. The 4104 has a proven reliable performance capability, being since its introduction used by such broadcasting networks as the BBC, IBA, CBS and ABC.

Features

Better than 30 dB average discrimination between voice and background noise
Provides speech of broadcast quality completely free from breath noises
Flat frequency response at the controlled talking distance
Corrugated aluminium ribbon protected by fine woven nylon gauze
Low mass damped ribbon to control transient response
Bi- directional
60 Hz to 12,000 Hz
All microphones factory tested in free field conditions

Microphone Type	Pressure gradient transducer ribbon microphone
Ribbon	Corrugated aluminium ribbon protected by fine woven nylon Gauze
Polar response	Bi-directional
Impedance	300-ohm
Frequency response	60 Hz to 12,000 Hz
Sensitivity	-50db W.R.T. IV/Pa
Distortion	<1% THD at 120db SPL
Connector	XLR-pin 2 hot
Dimensions	8"(200 mm) x 2 1/4"(57 mm) x3"(76 mm)
Weight	10 oz. (283g)
Finish	Body brown enamel paint with brown pvc covered handle

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.

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Coles 4104HS Reusable Hygiene Screen for 4104B Lip Microphone - 10 pack

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