Audio-Technica AT897 Handleiding

Audio-Technica Microfoon AT897

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AT897

Line + Gradient Condenser Microphone

Features

• Designed for video production and broadcast (ENG/EFP) audio

acquisition

• Short length ensures mic stays out of the shot – even when

used with compact digital cameras

• Provides the narrow acceptance angle desirable for long-

distance sound pickup

• Smooth, natural-sounding on-axis audio quality

• Oers the convenience of battery or phantom power operation

• Rugged design and construction for reliable performance

• Switchable 80 Hz high-pass ﬁlter minimizes pickup of

undesired low-frequency sounds

Description

The AT897 is a ﬁxed-charge condenser microphone with a line +

gradient polar pattern. It is designed for video production, broadcast

(ENG/EFP) audio acquisition, wildlife recording and high-quality sound

reinforcement.

The microphone requires 11V to 52V phantom power or a 1.5V AA

battery for operation. A battery need not be in place for phantom power

operation.

The microphone's highly directional polar pattern provides a narrow

acceptance angle along with crisp, intelligible audio reproduction

desirable for long-distance sound pickup.

The output of the microphone is a 3-pin XLR-M type connector.

A switch permits choice of ﬂat response or low-frequency roll-o (via

integral 80 Hz high-pass ﬁlter) to help control undesired ambient noise.

The microphone is enclosed in a rugged housing. The included AT8405a

stand clamp permits mounting on any microphone stand with 5/8"-27

threads. A windscreen, two o-rings, a battery and a protective carrying

case are also included.

Operation and Maintenance

The AT897 requires 11V to 52V phantom power or a 1.5V AA battery for

operation. A battery need not be in place for phantom power operation.

To install the battery, unscrew the lower section of the microphone body,

just below the nameplate. Insert a fresh 1.5V AA battery in the handle

compartment (“+” end up), then reassemble the microphone. Alkaline

batteries are recommended for longest life. Remove the battery during

long-term storage.

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 80 Hz high-pass ﬁlter provides easy switching from a ﬂat

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

the pickup of low-frequency ambient noise (such as trac, air-handling

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

To engage the high-pass ﬁlter, use the end tip of a paperclip or other

small pointed instrument to 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.

Note: To use the microphone with a camera-mount microphone holder

whose diameter is too large to secure the microphone, slide the two

supplied o-rings onto the microphone handle, spaced so that one ﬁts

just in front of, and the other ﬁts just behind, the rubber nubs inside the

microphone holder. When the top of the microphone holder is closed

and tightened down, the o-rings should hold the microphone securely

in place.

broadcast & production microphones

AT897

Speciﬁcations

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.

Aﬁn de réduire l’impact sur l’environnement de l’impression de plusieurs langues, les

informations concernant les produits sont disponibles sur le site www.audio-technica.com

dans une large sélection de langue.

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 ﬁnden 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.

www.audio-technica.com

Element Fixed-charge back plate, permanently

polarized condenser

Polar pattern Line + gradient

Frequency response 20-20,000 Hz

Low cut 80 Hz, 18 dB/octave

Open circuit sensitivity

Phantom: -40 dB (10.0 mV), (0 dB = 1 V/Pa, 1 kHz)

Battery: -41 dB (8.9 mV), (0 dB = 1 V/Pa, 1 kHz)

Impedance Phantom: 250 ohms

Battery: 300 ohms

Maximum input sound level Phantom: 129 dB SPL (1 kHz at 1% THD)

Battery: 115 dB SPL (1 kHz at 1% THD)

Dynamic range Phantom: 112 dB (1 kHz at Max SPL)

Battery: 98 dB (1 kHz at Max SPL)

Signal-to-noise ratio 77 dB (1 kHz at 1 Pa, A-weighted)

Phantom power requirements 11-52V DC, 2 mA

Battery type 1.5 V DC R6/LR6, AA

Battery current / life 0.4 mA / 1200 hours (alkaline)

Switch Low cut: on/o

Weight 145 g (5.1 oz)

Dimensions 279 mm (11") long,

21 mm (0.83") head diameter

Output connector Integral 3-pin XLR-M type

Audio-Technica case style SG2

Included accessories AT8405a stand clamp for 5/8"-27 threaded

stands, 5/8"-27 to 3/8"-16 threaded adapter,

AT8134 windscreen, Battery (AA/R6),

O-ring×2, Protective carrying case

• 1 Pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL

For product improvement, the product is subject to

modiﬁcation without notice.

Warranty (Please be sure to read the notes below.) For USA Only

End-User LIMITED WARRANTY information for the USA is available at www.

audio-technica.com/usawarranties. You may also contact Audio-Technica U.S., Inc.

to request a written copy of the Limited Warranty at 1-330-686-2600 or via mail at

1221 Commerce Drive, Stow, OH 44224.

Audio-Technica Corporation

2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan

Global Support Contact: www.at-globalsupport.com

Made in Japan P51973-3 142311671-02-04 ver.4 2021.09.01

Polar pattern

LEGEND

SCALE IS 5 DECIBELS PER DIVISION

Frequency response

20-20,000 Hz

10 dB

20 10050 200 10k5k1k500 2k 20k

Frequency in Hertz

LEGEND

0°, 50 cm 0°, 50 cm, Low cut

240˚

180˚

210˚

270˚

300˚

330˚

0˚

150˚

120˚

90˚

30˚

60˚

200 Hz

1 kHz

5 kHz

8 kHz

Response in dB

Product specificaties

Merk:	Audio-Technica
Categorie:	Microfoon
Model:	AT897
Kleur van het product:	Grijs
Connectiviteitstechnologie:	Bedraad
Accu/Batterij voltage:	1.5 V
Stroomverbruik:	2 mA
Signaal/ruis-verhouding:	77 dB
Gevoeligheid microfoon:	41 dB
Operating voltage:	52 V
Frequentie microfoon:	20 - 20000 Hz
Microphone input impedance:	200 Ohm
XLR out:	Ja
Type batterij:	AA
Gewicht microfoon:	145 g
Dynamisch bereik:	98 dB
Afmetingen microfoon (DxH):	21 x 279 mm
Selectiviteit:	115 dB