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The AT2050 is intended for use in professional applications where
remote power is available. It requires 11V to 52V DC phantom power,
which may be provided by a mixer or console, or by a separate, in-line
source such as the Audio-Technica AT8801 single-channel or
CP8506 four-channel phantom power supplies.
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 hi-pass filter provides easy switching from a flat
frequency response to a low-end roll-off. The high pass 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.
In use, secure the cable to the mic stand or boom, leaving a slack
loop at the mic. This will ensure the most effective shock isolation
and reduce the possibility of accidentally pulling the microphone out
of its mount.
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.
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
www.audio-technica.com
P52059 2008 Audio-Technica U.S., Inc. Printed in Taiwan
AT2050
AT2050 SPECIFICATIONS
ELEMENT Externally polarized (DC Bias)
condenser
POLAR PATTERNS Cardioid, Omnidirectional,
Figure-of-Eight
FREQUENCY RESPONSE 20-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY 42 dB (7.9 mV) re 1V at 1 Pa*
IMPEDANCE 120 ohms
MAXIMUM INPUT SOUND LEVEL 149 dB SPL, 1 kHz at 1% T.H.D.;
159 dB SPL with 10 dB pad
(nominal)
NOISE1 17 dB SPL
DYNAMIC RANGE (typical) 132 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO1 77 dB, 1 kHz at 1 Pa*
PHANTOM POWER REQUIREMENTS 11-52V DC, 4.7 mA typical
SWITCHES Pattern selection; Flat, roll-off;
10 dB pad (nominal)
WEIGHT 412 g (14.5 oz)
DIMENSIONS 170.0 mm (6.69″) long,
52.0 mm (2.05″) maximum body
diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8458 Shock mount for 5/8″-27
threaded stands; 5/8″-27 to 3/8″-16
threaded adapter; soft protective
pouch
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/cm2 = 10 microbars = 94 dB SPL
1 Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
MULTI-PATTERN CONDENSER MICROPHONE
Polar Pattern (Cardioid) Frequency Response (Cardioid)
Response in dB
SCALE IS 5 DECIBELS PER DIVISION
Polar Pattern (Omni)
200 Hz
LEGEND
5 kHz
1 kHz
8 kHz
Same as 1 kHz
LEGEND 12″ or more on axis
Roll-off
Frequency in Hertz
Frequency Response (Omni)
Response in dB
SCALE IS 5 DECIBELS PER DIVISION
Polar Pattern (Fig. Eight)
200 Hz
LEGEND
5 kHz
1 kHz
8 kHz
Same as 1 kHz
Same as 1 kHz
Same as 1 kHz
LEGEND 12″ or more on axis
Roll-off
Frequency in Hertz
Frequency Response (Fig. Eight)
Response in dB20 series studio microphones
AT2050
Multi-pattern Condenser Side-Address Microphone
Features
Designed for critical home/project/professional studio
applications and live performance
Three switchable polar patterns: omni, cardioid, figure-of-eight
Dual-diaphragm capsule design maintains precise polar pattern
definition across the full frequency range of the microphone
Dual large diaphragms are gold-vaporized and aged to achieve
optimum characteristics over years of use
Rugged design and construction for reliable performance
Included shock mount provides superior isolation
Integral 80 Hz high-pass filter switch and 10 dB pad switch
State-of-the-art design and manufacturing techniques ensure
compliance with A-Ts stringent consistency and reliability
standards
Description
The AT2050 is a large-diaphragm side-address externally polarized
(DC bias) condenser microphone with three switchable polar patterns:
omnidirectional, cardioid, and figure-of-eight. It is designed for home/
project/professional studio applications and live performance.
The microphone requires 11V to 52V phantom power for operation.
The omnidirectional polar pattern is sensitive to sound coming from
all directions. Select the omni pattern to pick up several voices or
instruments on the same microphone, to diminish proximity effect, and
to preserve the locations ambient sound.
The cardioid polar pattern is more sensitive to sound originating directly
in front of the element, making it useful in controlling feedback, reducing
pickup of unwanted sounds and providing isolation between performers.
The figure-of-eight polar pattern is more sensitive to sound originating in
the front and back of the microphone, rejecting sounds from the sides.
It is often used in conjunction with advanced stereo miking techniques.
The output of the microphone is a 3-pin XLRM-type connector.
The microphone is equipped with a switchable 10 dB pad and a switch
that permits choice of flat response or low-frequency roll-off (via integral
80 Hz high-pass filter).
The microphone is enclosed in a rugged housing. The included AT8458
shock mount provides superior isolation and permits mounting on any
microphone stand with 5/8″-27 threads. A soft protective pouch is also
included.
Operation and Maintenance
The AT2050 requires 11V to 52V phantom power for operation.
Output 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 Audio-Technica emblem and the pattern-selection switch are on the
front of the microphone. Position this side of the microphone toward the
sound source.
The pattern-selection switch provides user-selection of omnidirectional,
cardioid, and figure-of-eight polar patterns. To select the omnidirectional
polar pattern, slide the switch to the circular polar pattern image. To
select the cardioid polar pattern, slide the switch to the heart-shaped
polar pattern image. To select the figure-of-eight pattern, slide the switch
to the figure-eight shaped polar pattern image.
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
microphones 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.
To engage the high-pass filter, slide the switch toward the bent line.
The microphone is also equipped with a switchable 10 dB pad that lowers
the microphone’s sensitivity, thus providing higher SPL capability for
flexible use with a wide range of users and system configurations. To
engage the 10 dB pad, slide the switch toward the -10 position.
In use, secure the cable to the mic stand or boom, leaving a slack loop at
the mic. This will ensure the most effective shock isolation and reduce
the possibility of accidentally pulling the microphone out of its mount.
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.
Architects and Engineers Specifications
The microphone shall be a large-diaphragm side-address externally
polarized (DC bias) condenser with user-switchable omnidirectional,
cardioid, and figure-of-eight polar patterns and a frequency response of
20 Hz to 20,000 Hz. The microphone shall operate from an external 11V
to 52V DC phantom power source. It shall be capable of handling sound
input levels up to 149 dB (159 dB with 10 dB pad) with a dynamic range
of 132 dB. Nominal open-circuit output voltage shall be 7.9 mV at 1V, 1
Pascal. Output shall be low impedance balanced (120 ohms).
The output of the microphone shall be a 3-pin XLRM-type connector.
The microphone shall be equipped with a switchable 10 dB pad, a switch
that permits choice of flat response or 80 Hz low-frequency roll-off, and a
polar pattern selection switch.
AT2050
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 0001-0202-01
Specifications
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
LEGEND 12″ or more on axis
Frequency in Hertz
Response in dB
10 dB
50 100 200 500 1k 2k 5k 10k 20k
Roll-off
Same as 1 kHz
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
LEGEND 12″ or more on axis
Frequency in Hertz
Response in dB
10 dB
50 100 200 500 1k 2k 5k 10k 20k
Roll-off
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
LEGEND 12″ or more on axis
Frequency in Hertz
Response in dB
10 dB
50 100 200 500 1k 2k 5k 10k 20k
Roll-off
Same as 1 kHz
Same as 1 kHz
Same as 1 kHz
cardioid frequency response:
2020,000 Hz
omni frequency response:
2020,000 Hz
figure-of-eight frequency
response: 2020,000 Hz
polar pattern
polar pattern
polar pattern
Externally polarized (DC bias) condenser
Cardioid, Omnidirectional, Figure-of-eight
20-20,000 Hz
80 Hz, 12 dB/octave
42 dB (7.9 mV), re 1V at 1 Pa
120 ohms
149 dB SPL, 1 kHz at 1% T.H.D.;
159 dB SPL, with 10 dB pad (nominal)
17 dB SPL
132 dB, 1 kHz at Max SPL
77 dB, 1 kHz at 1 Pa
11-52V DC, 4.7 mA typical
Polar selection; Flat, roll-off;
10 dB pad (nominal)
412 g (14.5 oz)
170.0 mm (6.69″) long,
52.0 mm (2.05″) maximum body diameter
Integral 3-pin XLRM-type
R5
AT8458 shock mount for 5/8″-27
threaded stands; 5/8″-27 to 3/8″-16
threaded adapter; soft protective pouch
Element
Polar patterns
Frequency response
Low frequency roll-off
Open circuit sensitivity
Impedance
Maximum input sound level
Noise1
Dynamic range (typical)
Signal-to-noise ratio1
Phantom power requirements
Switches
Weight
Dimensions
Output connector
Audio-Technica case style
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/cm2 = 10 microbars = 94 dB SPL
1 Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
The microphone shall be 170.0 mm (6.69″) long and have a maximum
body diameter of 52.0 mm (2.05″). Weight shall be 412 grams (14.5 oz).
The microphone shall include a shock mount and a soft protective pouch.
The Audio-Technica AT2050 is specified.
461
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Category: Musical Instruments:Pro Audio Equipment:Microphones
Location: Whitstable