Instrukcja obsługi Audio-Technica AT4050 SM

Audio-Technica mikrofon AT4050 SM

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Frequency Response (Cardioid)
Response in dB
10 dB
50 200100 500 2k1k 5k 20k10k
• Transparent uppers/mids balanced by rich low-end qualities
combine with advanced acoustic engineering for extensive
performance capabilities and highest quality
• Dual-diaphragm capsule design maintains precise polar pattern
definition across the full frequency range of the microphone
• Transformerless circuitry virtually eliminates low-frequency
distortion and provides superior correlation of high-speed
transients
• Open acoustical environment of the symmetrical housing
assembly minimizes unwanted internal reflections
• State-of-the-art surface-mount electronics ensure compliance
with A-T’s stringent consistency and reliability standards
The AT4050 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-Technica AT8801 single-
channel and 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 high-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
P51460-EN ©2002 Audio-Technica U.S., Inc. Printed in U.S.A.
AT4050
MULTI-PATTERN CONDENSER MICROPHONE
AT4050 SPECIFICATIONS†
ELEMENT Externally polarized (DC bias)
condenser
POLAR PATTERN Cardioid, Omnidirectional,
Figure-of-eight
FREQUENCY RESPONSE 20-18,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY –36 dB (15.8 mV) re 1V at 1 Pa*
IMPEDANCE 100 ohms
MAXIMUM INPUT SOUND LEVEL 149 dB SPL, 1 kHz at 1% T.H.D.;
159 dB SPL, with 10 dB
pad (nominal)
NOISE117 dB SPL
DYNAMIC RANGE (typical) 132 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO177 dB, 1 kHz at 1 Pa*
PHANTOM POWER 48V DC, 4.2 mA typical
REQUIREMENTS
SWITCHES Pattern selection; flat, roll-off;
10 dB pad (nominal)
WEIGHT (less accessories) 18.0 oz (510 g)
DIMENSIONS 7.40" (188.0 mm) long, 2.10"
(53.4 mm) maximum body
diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8449 shock mount for
5/8"-27
threaded stands; microphone
dust cover; protective carrying
case
†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
1Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
Polar Pattern (Cardioid)
180
270
240
210
300
330
0
150
120
90
30
60
SCALE IS 5 DECIBELS PER DIVISION
1 kHz
LEGEND
8 kHz
5 kHz
240
210
180
150
120
330
270
300
30
Polar Pattern (Omni)
0
90
60
200 Hz same as 1 kHz
SCALE IS 5 DECIBELS PER DIVISION
1 kHz
200 Hz
LEGEND
8 kHz
5 kHz
240
210
180
150
120
330
270
300
30
Polar Pattern (Fig. Eight)
0
90
60
same as 1 kHz
same as 1 kHz
same as 1 kHz
Response in dB
10 dB
Frequency Response (Omni)
10050 1k500200 5k2k 10k 20k
12" or more on axis
Roll-off
LEGEND
Response in dB
10 dB
Frequency Response (Fig. Eight)
50
Frequency in Hertz
100 200 500 1k 2k 5k 20k10k

Specyfikacje produktu

Marka: Audio-Technica
Kategoria: mikrofon
Model: AT4050 SM

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