Electro Voice Microphone RE90H User Manual

RE90H/RE90HW  
Condenser Cardioid  
Hanging Microphone  
Key Features:  
Non-reflecting black (RE90H) or low-gloss  
white (RE90HW) with matching cable  
Shielded pre-amp is highly-resistant to  
electrical noise and radio frequency  
interference  
25-ft. braided, shielded cable maintains  
microphone’s position (not rotation)  
Cardioid polar pattern  
Three-pin male XLR-type output connector  
fits with female bulkhead XLR-type  
connector  
General Description:  
Technical Specifications:  
Generation Element: Condenser, back electret  
Frequency Response: 75 Hz to 15,000 Hz (see chart)  
Polar Pattern: (see chart) Cardioid  
The Electro-Voice® RE90H and RE90HW of theArchitectural  
Microphone Series are back-electret condenser hanging  
microphones providing an extended, flat frequency response  
with a controlled cardioid polar pattern for high-quality sound  
reinforcement. The RE90H is specifically designed for live  
pickup of choirs, instrumental and vocal groups, and theater.  
The size and color of the transducer and cable allow the  
microphone to blend in with its surroundings. RE90H’s low  
self-noise and high-output signal level combine to produce  
low-noise, sound-reinforcement and recording. Exceptionally  
high sensitivity, a uniform cardioid polar response, and  
smooth frequency response make the RE90H ideally suited  
for distant sound pick-up. The cardioid polar pattern is  
precisely controlled and is highly effective in suppressing  
feedback without coloration of sound. Power for the RE90H  
is obtained from any phantom source supplying 9 to 52  
volts. The RE90H is furnished with 25 feet of black (RE90H)  
or white (RE90HW) miniature braided shielded cable. The  
design of the cable ensures the microphone’s horizontal  
position will be held stable without the need for fish-line  
tethering. The RE90H is easily aimed at the performance  
with the supplied steel wire hanger and holding nut. The  
wire hanger attached to the microphone element and cable  
can be bent to aim the microphone in the vertical plane. To  
position the microphone on the horizontal plane, loosen the  
holding nut on the back of the microphone and slightly twist  
the microphone on the wire holder (clockwise rotation rotates  
the RE90H to the left; counterclockwise rotation rotates the  
RE90H to the right). Secure this position by tightening the  
holding nut.  
Sensitivity, Open Circuit 20mV/Pascal  
Voltage, 1 kHz:  
Power Level, 1 kHz -30.4 dB  
(0 dB = 1 mW/Pascal):  
Clipping Level (1% THD): 120 dB SPL  
Equivalent Noise: 25 dB SPL “A” weighted (0 dB=20  
micropascals)  
Dynamic Range: 95 dB  
Output Impedance, 1 kHz: 200 ohms  
Power Requirements: 9 to 52 Volt Phantom Supply  
Current Consumption: 2.0 mA  
Polarity: Pin 2 positive, referenced to pin3, with  
positive pressure on the diaphragm  
Finish: RE90H = Low-Gloss Black  
RE90HW = Low-Gloss White  
Environmental Conditions: Relative Humidity 0-50%:  
-29° to 74°C (-20° to 165°F)  
Relative Humidity 0 to 95%:  
-29° to 57°C (-20° to 135°F)  
Dimensions, Transducer: Diameter = 12.7 mm (0.4")  
Length = 36.8 mm (1.45")  
Dimensions, Electronics Diameter = 19 mm (0.75")  
Module: Length = 94 mm (3.7")  
Cable: Length = 7.6 m (25 ft.)  
Net Weight: 157 g (5.5 oz.)  
Note: For fixed installations, allow the microphone cable to  
hang for at least 24 hours so the cable can completely relax  
and establish a set. This allows the microphone to be  
accurately positioned over a choir, stage, or orchestra.  
Shipping Weight: 324 g (11.4 oz.)  
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