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Electro-Voice RE27N/D User Manual

Electro-Voice RE27N/D
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RE27N/D
Variable-D
®
N/DYM
®
Dynamic Cardioid
Microphone
General Description:
Technical Specifications:
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The Electro-Voice RE27N/D is a professional-quality dynamic
cardioid microphone designed for broadcast production
announce and voice-over, high-quality recording and sound
reinforcement applications. The RE27N/D utilizes a
revolutionary neodymium-alloy magnet and a reinforced
diaphragm dome, a combination offering increased sensitivity
(up to 6-dB more output), undistorted output at high sound
pressure levels and an extended high-frequency response.
The exceptional sensitivity of the RE27N/D, excellent transient
response and inherently low noise of the dynamic transducer,
all combine to ensure a superior signal-to-noise ratio, easily
comparable to the finest condenser cardioid microphones. to
further reduce noise, a highly effective hum-bucking coil is
used to attenuate hum from lighting and other sources. The
RE27N/D’s continuously Variable-D‚ design reduces bass-
boosting “proximity effect” to maintain a uniform low-frequency
response, up-close or at a distance. Two easily operated bass
roll-off switches, offering a sharp low-frequency cut at 200 Hz
or a gentle roll-off, are available for special situations where
bass attenuation is required. A third switch is available for
reducing the high-frequency treble boost. The true, uniform
cardioid polar pattern of the RE27N/D offers the greatest
rejection at 180° off axis, insuring superior gain-before-
feedback. An integral blast and wind filter covers each acoustic
opening on the RE27N/D, allowing “close-talk” situations with
no worry of “P-pop,” breath sounds or excessive sibilance.
Part of the filter also shock mounts the internal microphone
transducer, reducing the transfer of vibration from external
sources. This shock-mount system along with the extremely
rugged exterior steel casing allows the RE27N/D to withstand
all the rigors of professional use.
Key Features:
Studio condenser performance from self-
generating transducer
Consummate announce microphone
Ideal for sampling
Switch-selected E.Q.
Effective internal shock, pop and wind
protection
Exceptional sensitivity assures high signal-
to-noise
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Electro-Voice RE27N/D Specifications

General IconGeneral
BrandElectro-Voice
ModelRE27N/D
CategoryMicrophone
LanguageEnglish

Summary

General Description

Microphone Design and Features

Details the RE27N/D's dynamic cardioid design, neodymium magnet, and reinforced diaphragm for enhanced sensitivity and performance.

Technical Specifications

Performance Specifications

Covers generating element, frequency response, polar pattern, impedance, sensitivity, power level, and hum pickup level.

Physical Specifications

Details case material, dimensions (length, diameter), finish, and included/optional accessories.

Detailed Technical Specifications

Frequency Response and Polar Patterns

Presents frequency response graph and polar response diagrams for various frequencies (125 Hz to 10 KHz).

Wiring and Dimensions

Includes wiring diagram and detailed dimension drawing with measurements.

Architects' and Engineers' Specifications

In-depth technical description of microphone features, switches, sensitivity, magnetic circuit, and polar characteristics.

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