Audio Technica AT4050 AT4050 Bedienungsanleitung

Frequency Response (Cardioid)

Response in dB

10 dB

50 200100 500 2k

1k 5k 20k

10k

• 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

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

150

120

SCALE IS 5 DECIBELS PER DIVISION

1 kHz

LEGEND

8 kHz

5 kHz

240

210

180

150

120

330

270

300

Polar Pattern (Omni)

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

Polar Pattern (Fig. Eight)

same as 1 kHz

Response in dB

10 dB

Frequency Response (Omni)

100

50 1k

500

200 5k

2k 10k 20k

12" or more on axis

Roll-off

LEGEND

Response in dB

10 dB

Frequency Response (Fig. Eight)

Frequency in Hertz

100 200 500 1k 2k 5k 20k

10k

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