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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.