Audio Technica unipoint U873R Specifications

U873R
HANDHELD HYPERCARDIOID CONDENSER MICROPHONE
• Designed for high-quality sound reinforcement, professional
recording and broadcasting
• Smooth, accurate reproduction for handheld and fixed-mount
applications
• Superior off-axis rejection for maximum gain before feedback
• Hypercardioid polar pattern reduces pickup of sounds from the
sides and rear, improving isolation of desired sound source
• Integral 80 Hz high-pass filter switch and 10 dB pad switch
• Accepts interchangeable elements to permit angle of acceptance
from 100° to 360°
• Superior anti-shock engineering ensures low handling noise
• High sensitivity and high SPL capability
• Robust design for enduring dependability
The U873R requires 11V to 52V phantom power for operation.
Output from the microphone's XLRM-type connector is low
impedance (Lo-Z) balanced. The signal appears across Pins 2 and
3; Pin 1 is ground (shield). Output phase is "Pin 2 hot"– positive
acoustic pressure produces positive voltage at Pin 2.
To avoid phase cancellation and poor sound, all mic cables must be
wired consistently: Pin 1-to-Pin 1, etc.
An integral 80 Hz high-pass filter provides easy switching from a flat
frequency response to a low-end roll-off. The roll-off position
reduces the microphone's sensitivity to popping in close vocal use.
It also reduces the pickup of low-frequency ambient noise (such
as traffic, air-handling systems, etc.), room reverberation and
mechanically coupled vibrations.
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 110° F (43° C) for extended periods.
Extremely high humidity should also be avoided.
U873R SPECIFICATIONS †
ELEMENT
POLAR PATTERN
FREQUENCY RESPONSE
LOW FREQUENCY ROLL-OFF
OPEN CIRCUIT SENSITIVITY
IMPEDANCE
MAXIMUM INPUT SOUND LEVEL
DYNAMIC RANGE (typical)
SIGNAL-TO-NOISE RATIO
1
PHANTOM POWER REQUIREMENTS 11-52V DC, 3 mA typical
SWITCHES
WEIGHT
DIMENSIONS
OUTPUT CONNECTOR
OPTIONAL INTERCHANGEABLE
ELEMENTS
ACCESSORIES FURNISHED
† In the interest of standards development, A.T .U.S. offers full details on its test
methods to other industry professionals on request.
*1 Pascal = 10 dynes /cm 2 = 10 microbars = 94 dB SPL
1 Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
Polar Pattern
LEGEND
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
200 Hz
1 kHz
5 kHz
8 kHz
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
www.audio-technica.com
P51705 ©2005 Audio-Technica U.S., Inc.
Fixed-charge back plate
permanently polarized condenser
Hypercardioid
70-20,000 Hz
80 Hz, 18 dB/octave
–41 dB (8.9 mV) re 1V at 1 Pa*
200 ohms
155 dB SPL, 1 kHz at 1% T.H.D.
131 dB, 1 kHz at Max SPL
70 dB, 1 kHz at 1 Pa*
Flat, roll-off; 10 dB pad
5.6 oz (160 g)
6.17" (156.7 mm) long,
1.48" (37.7 mm) head diameter
Integral 3-pin XLRM-type
UE-C cardioid (120°);
UE-O omnidirectional (360°)
AT8122 foam windscreen;
AT8405a stand clamp for 5 / "-27
8
threaded stands; soft protective
pouch
Frequency Response
Frequency in Hertz
12" or more on axis
Roll-off
Printed in U.S.A.