Instrukcja obsługi Audio-Technica AT8015

Audio-Technica mikrofon AT8015

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broadcast & production microphones
AT8015
Line + Gradient Condenser Microphone
Features
• Designed for video production and broadcast (ENG/EFP) audio
acquisition
• Provides the narrow acceptance angle desirable for long-distance
sound pickup
• Smooth, natural-sounding on-axis audio quality
• Offers the convenience of battery or phantom power operation
• Rugged design and construction for reliable performance
• Switchable 80 Hz high-pass lter minimizes pickup of undesired
low-frequency sounds
Description
The AT8015 is a xed-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 XLRM-type connector.
A switch permits choice of at response or low-frequency roll-off (via
integral 80 Hz high-pass lter) 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 AT8015 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 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, 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 ts
just in front of, and the other ts 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.
Architect’s and Engineer’s Specications
The microphone shall be a xed-charge condenser. It shall have a line +
gradient polar pattern and a frequency response of 40 Hz to 20,000 Hz.
The microphone shall operate from an external 11V to 52V DC phantom
power source, or, alternatively, from a 1.5V AA/UM3 battery. It shall be
capable of handling sound input levels up to 132 dB (phantom) or 120 dB
(battery) with a dynamic range of 110 dB (phantom) or 98 dB (battery).
Nominal open circuit output voltage shall be 12.5 mV (phantom) or 11.2
mV (battery) at 1 V, 1 Pascal. Output shall be low impedance balanced
(250 ohms – phantom, 300 ohms – battery).
The output of the microphone shall be a 3-pin XLRM-type output
connector.
The microphone shall include a switch that permits choice of at
response or 80 Hz low-frequency roll-off.
The microphone shall be 460.0 mm (18.11") long and have a diameter
of 21.0 mm (0.83"). Weight shall be 195 grams (6.9 oz). The microphone
shall include a stand clamp, a windscreen, two o-rings, a battery and a
protective carrying case.
The Audio-Technica AT8015 is specied.
Audio-Technica Corporation
audio-technica.com ©2016 Audio-Technica 0001-0193-02
AT8015
LEGEND
200 Hz
1 kHz
5 kHz
8 kHzSCALE IS 5 DECIBELS PER DIVISION
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
12" or more on axisLEGEND
Frequency in Hertz
Response in dB
10 dB
100
50 200 10k5k1k500 2k 20k
Roll-off
frequency response: 40–20,000 Hz
polar pattern
Specications
Fixed-charge back plate, permanently
polarized condenser
Line + gradient
40-20,000 Hz
80 Hz, 18 dB/octave
Phantom: –38 dB (12.5 mV) re 1V at 1 Pa
Battery: –39 dB (11.2 mV) re 1V at 1 Pa
Phantom: 250 ohms
Battery: 300 ohms
Phantom: 132 dB SPL, 1 kHz at 1% T.H.D.
Battery: 120 dB SPL, 1 kHz at 1% T.H.D.
Phantom: 110 dB, 1 kHz at Max SPL
Battery: 98 dB, 1 kHz at Max SPL
72 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
1.5V AA/UM3
0.4 mA / 1200 hours typical (alkaline)
Flat, roll-off
195 g (6.9 oz)
460.0 mm (18.11") long,
21.0 mm (0.83") diameter
Integral 3-pin XLRM-type
SG3
AT8405a stand clamp for 5/8"-27 thread-
ed stands; 5/8"-27 to 3/8"-16 threaded
adapter; AT8135 windscreen; battery;
two o-rings; protective carrying case
Element
Polar pattern
Frequency response
Low frequency roll-off
Open circuit sensitivity
Impedance
Maximum input sound level
Dynamic range (typical)
Signal-to-noise ratio1
Phantom power requirements
Battery type
Battery current / life
Switch(es)
Weight
Dimensions
Output connector
Audio-Technica case style
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
1 Typical, A-weighted, using Audio Precision System One.
Specications are subject to change without notice.

Specyfikacje produktu

Marka: Audio-Technica
Kategoria: mikrofon
Model: AT8015

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