Használati útmutató Audio-Technica AT4080

Audio-Technica mikrofon AT4080

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Letöltés PDF
Oldal 1/2
40 series microphones
AT4080
Bidirectional Ribbon Microphone
Features
• Smooth, warm and natural sound with precise, articulate detail to
meet the critical requirements of today’s recording, broadcast and
sound reinforcement professionals
• Groundbreaking Audio-Technica ribbon design with 18 patents
pending
• Proprietary MicroLinear™ ribbon imprint for superior durability
and freedom from lateral exing and distortion
• Innovative dual ribbon construction for increased sensitivity
• Extremely powerful N50 rare-earth neodymium magnets for high
output level
• Ultra-ne mesh helps protect against ribbon damage from wind
and plosives
• Classic bidirectional (gure-of-eight) polar pattern picks up
sounds equally from the front and back of the element
• High-SPL capability for exceptionally versatile performance
• Extended frequency response for natural audio reproduction
• Acoustic bafe system and extra large output transformer provide
natural low-frequency response and extended dynamic range
• Handmade production – including ribbon corrugation, imprint
and assembly
• Open acoustical environment of the housing assembly minimizes
unwanted internal reections
• Phantom-powered active electronics provide stable impedance
and higher output for maximum compatibility with microphone
preampliers
• Custom shock mount provides superior isolation
Description
The AT4080 is a side-address ribbon microphone with a bidirectional
polar pattern. Delivering the warmth and natural sound of a classic
ribbon microphone, the AT4080 offers a robust build for long-lasting
performance and high gain for easy use with microphone preampliers.
With 18 patents pending, Audio-Technica’s innovative ribbon transducer
advances the evolution of ribbon microphone technology, combining
remarkable durability and high-SPL capability with smooth, rich audio
quality. The microphone is recommended for vocals, horns, strings,
acoustic instruments, drum overheads, orchestras, ensembles and guitar
cabinets. It excels in recording studios as well as in live-sound settings.
A signicant breakthrough in ribbon cartridge design, Audio-Technica’s
patent-pending MicroLinear™ ribbon imprint minimizes ribbon distortion
for durable performance and accurate reproduction of the sound source.
While the application of phantom power was prohibited for old-
school ribbon microphones, Audio-Technica’s AT4080 requires 48V
phantom power for operation. The phantom power is used—not for the
microphone’s dynamic ribbon transducer—but for its active electronics,
which bring its output to near condenser microphone level. This high-
output and stable impedance make the microphone easy to integrate
with microphone preampliers.
The bidirectional polar pattern of the microphone makes it equally
sensitive to sounds originating in front and back of the element.
The output of the microphone is a 3-pin XLRM-type connector.
The microphone is enclosed in a rugged housing. The included AT8449/SV
shock mount provides superior isolation and permits mounting on any
microphone stand with 5/8"-27 threads. A dust cover and a protective
carrying case are also included.
Operation & Maintenance
The AT4080 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.
A raised Audio-Technica emblem is on the front of the microphone.
Position this side of the microphone toward the sound source.
In use, secure the cable to the mic stand or boom, leaving a slack loop at
the mic. This will ensure the most effective shock isolation and reduce the
possibility of accidentally pulling the microphone out of its mount.
Note: While Audio-Technica ribbon microphones are designed for superior
durability, we recommend the following precautions when dealing with
ribbon microphones: do not blow directly into the ribbon assembly; use a
popper-stopper style windscreen for up-close vocal use.
Take care to keep foreign particles from entering the windscreen.
An accumulation of foreign material in the ribbon structure and/or the
windscreen’s mesh surface, can degrade performance. 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.
Architect’s and Engineer’s Specications
The microphone shall be a side-address ribbon microphone. It shall have
a bidirectional polar pattern and a frequency response of 20 Hz to 18,000
Hz. The microphone shall operate from an external 48V DC phantom
power source. It shall be capable of handling sound input levels up to 150
dB with a dynamic range of 128 dB. Nominal open-circuit output voltage
shall be 11.2 mV at 1V, 1 Pascal. Output shall be low impedance balanced
(100 ohms).
The output of the microphone shall be a 3-pin XLRM-type connector.
The microphone shall be 177.5 mm (6.99") long and have a maximum
body diameter of 53.4 mm (2.10"). Weight shall be 474 g (16.7 oz). The
microphone shall include a shock mount, a dust cover and a protective
carrying case.
The Audio-Technica AT4080 is specied.
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
©2010 Audio-Technica U.S., Inc. audio-technica.com 0001-0260-01
AT4080
Specications
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 axis
LEGEND
Frequency in Hertz
Response in dB
10 dB
100
50 200 10k5k1k500 2k 20k
frequency response: 20 –18,000 Hz
polar pattern
Ribbon
Figure-of-eight
20-18,000 Hz
–39 dB (11.2 mV) re 1V at 1 Pa
100 ohms
150 dB SPL, 1 kHz at 1% T.H.D.
22 dB SPL
128 dB, 1 kHz at Max SPL
72 dB, 1 kHz at 1 Pa
48V DC, 3.0 mA typical
474 g (16.7 oz)
177.5 mm (6.99") long, 53.4 mm (2.10")
maximum body diameter
Integral 3-pin XLRM-type
R1
AT8449/SV shock mount for 5/8"-27
threaded stands; microphone dust cover;
protective carrying case
Element
Polar pattern
Frequency response
Open circuit sensitivity
Impedance
Maximum input sound level
Noise1
Dynamic range (typical)
Signal-to-noise ratio1
Phantom power requirements
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.

Termékspecifikációk

Márka: Audio-Technica
Kategória: mikrofon
Modell: AT4080

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