Audio-Technica U851RO Microphone User Manual


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U851RO
The microphone shall have a maximum width of 84.0 mm (3.31"), a
maximum length of 108.0 mm (4.25") and a maximum height of 23.0
mm (0.91"). Weight shall be 262 grams (9.2 oz). The microphone shall
be housed in a die-cast case with a perforated steel grille. Finish shall
be low-reectance black. The microphone shall include a soft protective
pouch.
The Audio-Technica U851RO is specied.
Specications
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
©2010 Audio-Technica U.S., Inc. audio-technica.com 0001-0276-00
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.
Specications are subject to change without notice.
LEGEND
200 Hz
1 kHz
5 kHz
8 kHz
SCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
12" or more on axis
LEGEND
Frequency in Hertz
Response in dB
10 dB
100
50
200
10k
5k
1k
500
2k
20k
Roll-off
frequency response: 30–20,000 Hz
polar pattern
Fixed-charge back plate, permanently
polarized condenser
Omnidirectional in hemisphere above
mounting surface
30-20,000 Hz
80 Hz, 18 dB/octave
–31 dB (28.2 mV) re 1V at 1 Pa
200 ohms
132 dB SPL, 1 kHz at 1% T.H.D.
111 dB, 1 kHz at Max SPL
73 dB, 1 kHz at 1 Pa
11-52V DC, 4 mA typical
Flat, roll-off
262 g (9.2 oz)
108.0 mm (4.25") maximum length,
84.0 mm (3.31") maximum width,
23.0 mm (0.91") maximum height
TB3M-type
7.6 m (25.0') long, 3.2 mm (0.13")
diameter, 2-conductor, shielded cable with
TA3F-type and XLRM-type connectors
UE-C cardioid (120°)
UE-H hypercardioid (100°)
Soft protective pouch
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
Switch
Weight
Dimensions
Output connector
Cable
Optional interchangeable elements
Accessory furnished
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