Electro Voice Microphone RE27N D User Manual

RE27N/D  
Variable-D® N/DYM®  
Dynamic Cardioid  
Microphone  
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  
General Description:  
Technical Specifications:  
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.  
Generating Element: Dynamic N/DYM Magnet Structure  
Frequency Response: 45 - 20,000 Hz  
Polar Pattern: Cardioid  
Impedance: 150 ohms balanced  
Sensitivity, Open Circuit 3.1 mV/pascal = 1 kHz  
Voltage:  
Power Level, 1 kHz (0 dB -51 dB  
= 1 mV/Pascal):  
Hum Pickup Level, typical -130 dBm  
(60 Hz/ 1 millioersted  
field):  
Polarity: Pin 2 will be positive referenced to Pin  
3 with positive pressure on diaphragm  
Case Material: Steel  
Dimensions,  
Length: 216.7 mm (8.53 in.)  
Widest Diameter: 54.4 mm (2.14 in.)  
Body Diameter: 49.2 mm (1.94 in.)  
Finish: Satin nickel  
Net Weight: 709 g (1 lb, 9 oz)  
Shipping Weight: 1,446 g (3 lb, 3 oz)  
Accessories Furnished: 81715 stand clamp  
Optional Accessories: 309A shock-mounted stand adapter for  
use with floor stand or recording boom  
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