Audio Technica At897 Users Manual P51801_ATM350_SS

AT897 to the manual d3612365-f787-4d54-8319-a81c2733d749

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AT897

LINE + GRADIENT CONDENSER MICROPHONE
AT897 SPECIFICATIONS†

• Short length (11") ensures mic stays out of the shot – even when
used with compact digital cameras

Fixed-charge back plate
permanently polarized
condenser

POLAR PATTERN

Line + gradient

FREQUENCY RESPONSE

20-20,000 Hz

LOW FREQUENCY ROLL-OFF

80 Hz, 12 dB/octave

OPEN CIRCUIT SENSITIVITY
(Phantom / Battery)

–40 dB (10.0 mV) /
–41 dB (8.9 mV) re 1V at 1 Pa*

IMPEDANCE (Phantom / Battery)

200 ohms / 300 ohms

MAXIMUM INPUT SOUND LEVEL
(Phantom / Battery)

129 dB / 115 dB SPL,
1 kHz at 1% T.H.D.

SIGNAL-TO-NOISE RATIO1

77 dB, 1 kHz at 1 Pa*

DYNAMIC RANGE (typical)
(Phantom / Battery)

112 dB / 98 dB,
1 kHz at Max SPL

PHANTOM POWER
REQUIREMENTS

11-52V DC, 2 mA typical

BATTERY TYPE

1.5V AA/UM3

BATTERY CURRENT / LIFE

0.4 mA / 1200 hours typical
(alkaline)

SWITCH

Flat, roll-off (recessed)

WEIGHT (less accessories)

145 g (5.1 oz)

DIMENSIONS

279.0 mm (10.98") long,
21.0 mm (0.83") diameter

OUTPUT CONNECTOR

Integral 3-pin XLRM-type

ACCESSORIES FURNISHED

AT8405a stand clamp for 5/8"-27
threaded stands; AT8134
windscreen; battery; 5/8"-27 to
3
/8"-16 threaded adapter;
protective carrying case

• Smooth, natural-sounding on-axis audio quality
• Provides the narrow acceptance angle desirable for long-distance
sound pickup
• Excellent sound rejection from the sides and rear of mic
• Switchable low-frequency roll-off
• Operates on battery or phantom power
The AT897 requires 11V to 52V DC phantom power or a 1.5V AA
battery for operation. A battery need not be in place for phantom
power operation.

†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 /cm 2 = 10 microbars = 94 dB SPL
1
Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
Polar Pattern

Frequency Response

0
330

Battery installation: 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.

30

300

60

240

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.

10 dB

90

270

120

210

50

150

100

200

500

1k

2k

5k

10k

20k

Frequency in Hertz

180

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

LEGEND

12" or more on axis (flat)
Roll-off

200 Hz
1 kHz
5 kHz
8 kHz

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 roll-off position
reduces pickup of low-frequency ambient noise (such
as traffic, air-handling systems, etc.), room reverberation and
mechanically coupled vibrations.
The microphone is RoHS compliant–free from all substances
specified in the EU directive on hazardous substances.
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 43° C (110° F) 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
P51973

©2007 Audio-Technica U.S., Inc.

Printed in Japan

Response in dB

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

ELEMENT



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