Audio-Technica AT2031 Manual

Audio-Technica Mikrofon AT2031

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20 series microphones

AT2031

Cardioid Condenser End-Address Microphone

The ideal microphone for stringed instruments

Features

• Outstanding performance and rugged construction

• High SPL handling and wide dynamic range

• Smooth, extended frequency response with a slight rise in the

high-frequency region

• Switchable 150 Hz 6dB/oct hi-pass lter

• Cardioid polar pattern improves isolation of desired sound source

• Low self noise perfectly suited for digital recording equipment

• Ideal for stringed instruments such as Violin, Cello, Acoustic

Guitar, Harp and Piano.

Description

The AT2031 is the ideal microphone for stringed instruments in critical

studio and live applications. Its permanently polarized element offers

extended frequency response with a slight rise in the high frequency

range for a more detailed sound. Its low self-noise and high SPL handling

capability offer a wide dynamic range, perfectly suited for the most

demanding applications.

Operation and Maintenance

The AT2031 requires 48V 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 integral 150 Hz high-pass lter provides easy switching from a at

frequency response to a low-end roll-off. The roll-off position reduces

the pickup of low-frequency ambient noise (such as trafc, air-handling

systems, etc.), room reverberation and mechanically coupled vibrations.

To engage the high-pass lter, slide the switch toward the “bent” line.

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

12" or more on axis

Roll-o

LEGEND

Frequency in Hertz

Response in dB

10 dB

100

50 200 10k5k1k500 2k 20k

LEGEND

200 Hz

1 kHz

8 kHz

SCALE IS 5 DECIBELS PER DIVISION

240˚

180˚

210˚

270˚

300˚

330˚

0˚

150˚

120˚

90˚

30˚

60˚

frequency response: polar pattern

Fixed-charge back plate,

permanently polarized condenser

Cardioid

20-20,000 Hz

150 Hz, 6 dB/octave

-34 dB (19.9 mV) re 1V at 1 Pa

85 ohms

141 dB SPL, 1 kHz at 1% T.H.D.;

17 dB SPL

124 dB, 1 kHz at Max SPL

77 dB, 1 kHz at 1 Pa

48V DC, 2.0 mA typical

Flat, roll-off

134 g

143.0 mm long, 21.0 mm maximum body Ø

Integral 3-pin XLRM-type

AT8405a stand clamp; windscreen;

soft protective pouch

Element

Polar Pattern

Frequency Response

Low Frequency Roll-Off

Open Circuit Sensitivity

Impedance

Maximum Input Sound Level

Noise

Dynamic Range (Typical)

Signal-To-Noise Ratio

Phantom Power Requirements

Switches

Weight

Dimensions

Output Connector

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

1Typical, A-weighted, using Audio Precision System One.

Specications are subject to change without notice.

To reduce the environmental impact of a multi-language printed document, product information is available

online at www.audio-technica.com in a selection of languages.

An de réduire l’impact sur l’environnement d’une impression multi-langues, les informations concernant les

produits sont disponibles sur le site www.audio-technica.com dans une large sélection de langues.

Para reducir el impacto al medioambiente, y reducir la producción de documentos en varios leguajes,

información de nuestros productos están disponibles en nuestra página del Internet: www.audio-technica.com.

Para reduzir o impacto ecológico de um documento impresso de várias linguas, a Audio-Technica

providência as informações dos seus produtos em diversas linguas na www.audio-technica.com.

Per evitare l’impatto ambientale che la stampa di questo documento determinerebbe, le informazioni sui

prodotti sono disponibili online in diverse lingue sul sito www.audio-technica.com.

Der Umwelt zuliebe nden Sie die Produktinformationen in deutscher Sprache und weiteren Sprachen auf

unserer Homepage: www.audio-technica.com.

Om de gevolgen van een gedrukte meertalige handleiding op het milieu te verkleinen, is productinformatie in

verschillende talen “on-line” beschikbaar op: www.audio-technica.com.

Produkt Specifikationer

Mærke:	Audio-Technica
Kategori:	Mikrofon
Model:	AT2031
Type:	Scene/optræden mikrofon
Vægt:	134 g
Produktfarve:	Sort
Strømforsyningstype:	DC
Dimensioner (BxDxH):	21 x 21 x 143 mm
Frekvensområde:	20 - 20000 Hz
Forbindelsesteknologi:	Ledningsført
Strømkilde:	DC
Driftsspænding:	48 V
Mikrofonindgangsimpedans:	85 ohm (Ω)
Stik:	3-pin XLRM
Strømforbrug:	2 mA
Mikrofon sensitivitet:	-34 dB
Antal produkter inkluderet:	1 stk
Mikrofon driftstilstand:	Kondensator
Polar mønster lyd:	Kardioid