Coles Electroacoustics 4104

Buy the Coles Electroacoustics 4104 from Dolphin ...

• Online Price: £405.95 GBP (inc VAT)
• Euro Price: €513.30 EUR (1 GBP = 1.26444 EUR)
• Availability : Call 0844 815 0888 for availability
• Manufacturer SKU: 4104   Dolphin ID: 29548
• Postage will be £6.99 per order.

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The 4104 Commentator’s Noise Cancelling Ribbon Microphone 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.

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.

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.

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.
4104 Noise Cancelling	Corrugated aluminium ribbon protected by fine woven nylon gauze
Ribbon	Low mass damped ribbon to control transient response
Polar Response	Bi-directional
Frequency Response	60 Hz to 12,000 Hz All microphones factory tested in free field conditions
Impedance	300 ohm
Sensitivity	-50 db W.R.T. IV/Pa
Equivalent Electro-magnetic hum pick up	Less than 0.0002 dynes/cm² equivalent acoustic input for 1 milligaus at 50 c/s
Distortion	Less than 1% at 120 dB SPL
Connection	By means of an XLR 3 pin plug - Pin 1 screen - Pin 2 positive - Pin 3 negative
Body Housing	Brass perforated case with stainless nose and mouth screens, pvc covered handle designed to provide a natural holding position for long periods
Dimensions	8" (200 mm) long x 2¼" (57 mm) wide x 3" (76 mm) deep.
Weight	10 oz (283 g).
Finish	Body brown enamel paint with pvc covered handle.
Packaging	Each microphone comes in a foam lined rigid plastic carrying case for safe keeping.
Accessories	Replacement washable plastic hygiene screen, packed in 10's Foam lined rigid plastic carrying case
Optional	Press to talk button

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