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AT4053b
200Hz
5kHz
1kHz
8
kHz
SCALEIS 5 DECIBELS PER DIVISION
Polar Pattern
LEDEND
12" or more on axis
L
EGEND
R
oll-off
F
requency in Hertz
Frequency Response
Response in dB
YPERCARDIOID CONDENSER MICROPHONE
H
• Specially engineered to meet the most critical acoustic
requirements of professional recording, broadcast and sound
reinforcement
• Direct-coupled, balanced output results in a clean signal even
under high-output conditions
• Transformerless circuitry virtually eliminates low-frequency
distortion and provides superior correlation of high-speed
transients
• Switchable 80 Hz hi-pass filter and 10 dB pad
• Rugged turned-brass microphone housing for enduring
dependability
• State-of-the-art design and manufacturing techniques ensure
compliance with A-T’s stringent consistency and reliability
standards
The AT4053b is intended for use in professional applications where
remote power is available. It requires 48V DC phantom power, which
may be provided by a mixer or console, or by a separate, in-line
source such as the Audio-Technic a AT8801 single-channel or
CP8506 four-channel phantom power supplies.
Ou t p ut fro m t h e m icro p h one' s X L RM-t y pe conne c tor is lo w
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, ai r-handling systems, etc.), room reverberation and
mechanically coupled vibrations.
The AT4053b consists of two modular subassemblies: an AT4900b-48
body and an AT4053b-EL head capsule (both available separately).
Additional interchangeable capsules are available in omnidirectional
(AT4049b-EL) and cardioid (AT4051b-EL).
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.
T4053b SPECIFICATIONS
A
†
ELEMENT Externally polarized
(DC bias) capacitor
OLAR PATTERN Hypercardioid
P
FREQUENCY RESPONSE 20-20,000 Hz
OW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
L
OPEN CIRCUIT SENSITIVITY –34 dB (19.9 mV) re 1V at 1 Pa*
MPEDANCE 50 ohms
I
MAXIMUM INPUT SOUND LEVEL 145 dB SPL, 1 kHz at 1% T.H.D.;
155 dB SPL, with 10 dB pad
nominal)
1
NOISE
YNAMIC RANGE (typical) 129 dB, 1 kHz at Max SPL
D
IGNAL-TO-NOISE RATIO
S
1
(
16 dB SPL
8 dB, 1 kHz at 1 Pa*
7
PHANTOM POWER REQUIREMENTS 48V DC, 4.8 mA typical
WITCHES Flat, roll-off; 10 dB pad (nominal)
S
WEIGHT (less accessories) 127 g (4.5 oz)
IMENSIONS 155.0 mm (6.10") long,
D
21.0 mm (0.83") maximum body
iameter
d
UTPUT CONNECTOR Integral 3-pin XLRM-type
O
ACCESSORIES FURNISHED AT8405a stand clamp for
5
/8"-27
threaded stands; windscreen;
protective carrying case
†In the interest of standards development, A.T.U.S. offers full details on its test
ethods to other industry professionals on request.
m
*1 Pascal = 10 dynes/cm
1
Typical, A-weighted, using Audio Precision System One.
pecifications are subject to change without notice.
S
2
= 10 microbars = 94 dB SPL
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
www.audio-technica.com
P52080 ©2008 Audio-Technica U.S., Inc. Printed in U.S.A.