Instrukcja obsługi Audio-Technica AT897
Audio-Technica
mikrofon
AT897
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Audio-Technica AT897 (2 stron) w kategorii mikrofon. Ta instrukcja była pomocna dla 12 osób i została oceniona przez 6.5 użytkowników na średnio 3.6 gwiazdek
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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
• Oers 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 trac, 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
Specyfikacje produktu
| Marka: | Audio-Technica |
| Kategoria: | mikrofon |
| Model: | AT897 |
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