Audio-Technica AT898 Bruksanvisning

Audio-Technica mikrofon AT898

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Features
• Maximum intelligibility and clean, accurate reproduction for vocalists,
lecturers, stage and television talent, and houses of worship
• Low-profile design (a mere 5 mm in diameter) is ideal for applications
requiring minimum visibility
• 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
• Selected models oered in black and beige (-TH)
• Also available in wireless models (without power module) terminated for
use with Audio-Technica wireless systems and many other manufacturers’
wireless systems
Wired Description
The AT899 is a subminiature clip-on/lavalier condenser microphone with an
omnidirectional polar pattern. It is designed to provide accurate reproduction for
vocalists, lecturers, stage and television talent, and houses of worship.
The microphone is intended to be worn on the clothing or hidden in props for excellent
yet unobtrusive sound pickup. The wide-range capability of the microphone ensures
clean, accurate reproduction with high intelligibility for speakers, presenters and other
performers. Its small size makes it ideal for use in applications where minimum visibility
is required.
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 includes a permanently attached 3 m (9.8') long, 2.0 mm (0.87")
diameter, 2-conductor shielded cable. Its free end connects to the provided AT8537
power module via a TA3F-type connector. The output of the power module is a 3-pin
XLRM-type connector.
A recessed switch in the power module 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 comes equipped with a power module, a cable clip, a clothing clip
base, a viper clip base, magnet clip base and plate with lanyard, three single mic
holders, two double mic holders, two windscreens, two element covers and a battery.
A protective carrying case is also included. All AT899 models are available with a low-
reflectance black finish; selected models are available in beige.
Operation and Maintenance
The AT899 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 base of the power supply unit and insert one AA
battery into the battery compartment, being certain to observe battery polarity as
marked. Then simply screw the base shut. 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.
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 microphone’s sensitivity
to popping in close vocal use. It also 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.
For use as a lavalier, attach the microphone about six inches below the chin. Anticipate
movements that may cause the microphone to rub against or be covered by clothing,
and position the microphone to avoid it.
The included single and double mic holders are interchangeable with the included
bases. To change the holders, simply remove original holder and snap in the desired
one. When using the microphone in extremely close situations, slip the included
open-pore foam windscreen over the mic to reduce wind noise or popping. Use the
included element cover to protect the microphone element from contaminants.
CAUTION! To avoid possible injury, use caution when axing the microphone viper
clip to clothing. The pins are sharp and may puncture skin. For best results, ensure
that pin ends rest on outside of clothing.
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.
Wireless Models Description
The microphone is also available in a variety of terminations for use with Audio-
Technica and many other manufacturers’ wireless systems. No power module or
battery is included (or required) with the wireless models. The wireless models’
dimensions, polar pattern and included accessories are otherwise identical to those
of the AT899.
The AT899cW is also available unterminated as the AT899c.
Cable Terminations
AT899cH, AT899cH-TH Terminated with a screw-down 4-pin connector
for use with Audio-Technica® cH-style
body-pack transmitters
AT899cW, AT899cW-TH Terminated with a locking 4-pin connector
for use with Audio-Technica® cW-style
body-pack transmitters
AT899cL4, AT899cL4-TH Terminated for Sennheiser® wireless systems
using Lemo connector
AT899cT4 Terminated for Shure® wireless systems using
TA4F-type connector
AT899cT5, AT899cT5-TH Terminated for Lectrosonics® wireless systems
using TA5F-type connector
AT899c, AT899c-TH Unterminated
Model numbers ending in “TH” are beige.
Audio-Technica® is a registered trademark of Audio-Technica. Other product and company names
mentioned herein may be trademarks and/or service marks of their respective owners.
Broadcast & Production Microphones
AT899 Subminiature Omnidirectional Condenser
Lavalier Microphone
Specifications*
Fixed-charge back plate, permanently
polarized condenser
Omnidirectional
20-20,000 Hz
80 Hz, 12 dB/octave (power module)
Phantom: –43 dB (7.0 mV) re 1V at 1 Pa
Battery: –46 dB (5.0 mV) re 1V at 1 Pa
Phantom: 200 ohms
Battery: 250 ohms
Phantom: 138 dB SPL, 1 kHz at 1% T.H.D.
Battery: 116 dB SPL, 1 kHz at 1% T.H.D.
Phantom: 108 dB, 1 kHz at Max SPL
Battery: 86 dB, 1 kHz at Max SPL
64 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
2.5-11V DC (0.1 mA current consumption
typical at 5V DC)
1.5V AA/UM3
0.4 mA / 1200 hours typical (alkaline)
Flat, roll-o (power module)
Microphone: 0.5 g (0.02 oz)
Power module: 102 g (3.6 oz)
Microphone: 16.0 mm (0.63") long,
5.0 mm (0.20") diameter
Power module: 145.0 mm (5.71") long,
21.0 mm (0.83") diameter
Power module: Integral 3-pin XLRM-type
3.0 m (9.8') long (wired)
1.4 m (55") long (wireless)
M29
AT8537 power module; AT8439 cable
clip; clothing clip base; viper clip base;
magnet clip base and plate with lanyard;
three single mic holders; two double mic
holders; two element covers; two wind-
screens; battery; protective carrying case
Element
Polar pattern
Frequency response
Low frequency roll-o
Open circuit sensitivity
Impedance
Maximum input sound level
Dynamic range (typical)
Signal-to-noise ratio1
Phantom power requirements
Element power requirements
Battery type
Battery current / life
Switch
Weight
Dimensions
Output connector
Cable
Audio-Technica case style
Accessories furnished
In the interest of standards development, A.T.U.S.
oers full details on its test methods to other industry
professionals on request.
1 Pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL
*Measured using AT8537 power module
1 Typical, A-weighted, using Audio Precision System One.
Specifications are subject to change without notice.
Architect’s and Engineer’s Specifications
The microphone shall be a fixed-charge condenser. It shall have an omnidirectional
polar pattern and a frequency response of 20 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 138
dB (phantom) or 116 dB (battery) with a dynamic range of 108 dB (phantom) or 86
dB (battery). Nominal open-circuit output voltage shall be 7.0 mV (phantom) or 5.0
mV (battery) at 1 V, 1 Pascal. Output shall be low impedance balanced (200 ohms –
phantom, 250 ohms – battery).
The microphone shall have a 3.0 m (9.8') permanently attached miniature cable
terminating in a TA3F-type output connector. The output connector shall connect to
a TB3M-type jack on the included power module. The power module shall contain a
recessed switch to permit choice of flat response or 80 Hz low-frequency roll-o. The
output of the power module shall be a 3-pin XLRM-type connector.
The microphone shall be 16.0 mm (0.63") long and have a diameter of 5.0 mm (0.20").
Weight shall be 0.5 grams (0.02 oz). The microphone shall include a power module,
a cable clip, a clothing clip base, a viper clip base, a magnet clip base and plate
with lanyard, three single mic holders, two double mic holders, two windscreens,
two element covers, a battery and a protective carrying case. Finish shall be low-
reflectance black.
The microphone shall also be available with a 1.4 m (55") permanently attached
miniature cable terminated for use with Audio-Technica body-pack transmitters and
a variety of other manufacturers’ wireless systems. The wireless models’ dimensions,
polar pattern and included accessories (excluding power module and battery) shall be
identical to those of the wired model. Finish shall be low-reflectance black (selected
models available in beige). The microphone shall also be available unterminated.
The Audio-Technica AT899 is specified.
The Audio-Technica AT899cW [AT899cW-TH]; AT899cH [AT899cH-TH]; AT899cL4
[AT899cL4-TH]; AT899cT4; AT899cT5 [AT899cT5-TH] (wireless version) is specified.
The Audio-Technica [AT899c]; [AT899c-TH] (unterminated) is specified.
Function Wire Color
Pin 1 Ground/Shield Copper Color
Pin 2 Bias + In Red
Pin 3 Mic Audio iteWh
Pin 4 umper to Pin 1Source Load J
Pin 5 Line In pen O
AT899cT5, cT5-TH
1
2
4
3
5
Function Wir re Colo
Pin 1 Ground/Shield Copper Color
Pin 2 Instrument Jumper to Pin 1
Pin 3 Mic Audio White
Pin 4 Bias + In Red
AT899cW, cW-TH
1
2
4
3
Function Wir re Colo
Pin 1 Ground/Shield Copper Color
Pin 2 Instrument Jumper to Pin 1
Pin 3 Mic Audio White
Pin 4 Bias + In Red
AT899cH, cH H-T
1
2
4
3
Function Wire Color
Pin 1 Ground/Shield Copper Color
Pin 2 Bias + In Red
Pin 3 Mic Audio iteWh
Pin 4 umper to Pin 3Source Load J
AT899cT4
1
24
3
Function Wire Color
Pin 1 N/C pen O
Pin 2 N/C pen O
Pin 3 Bias + In, White
Mic Audio
Shell/Case Ground/Shield Copper Color
AT899cL4, cL4-TH
1
23
Wireless Termination Diagrams
polar pattern
12" or more on axisLEGEND
Frequency in Hertz
Response in dB
10 dB
100
50 200 10k
5k
1k
500 2k 20k
Roll-off
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˚
frequency response: 20 –20,000 Hz
AT899
Audio-Technica Corporation
www.audio-technica.com
©2018 Audio-Technica 0001-0180-03

Produktspecifikationer

Varumärke: Audio-Technica
Kategori: mikrofon
Modell: AT898

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