Audio-Technica AT846/O Bruksanvisning
Sidor 2 Engels mikrofon
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OMNIDIRECTIONAL CONDENSER BOUNDARY MICROPHONE
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Optional Accessories:
AT8506 four-channel 48V phantom
power supply (AC powered).
AT8801/EU single-channel 48V
phantom power supply (AC pow-
ered).
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Response in dB
FORM No. ATGC-L0183-11-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENTFixed-charge back plate
permanently polarized condenser
POLAR PATTERNOmnidirectional
FREQUENCY RESPONSE54-20,000 Hz
OPEN CIRCUIT SENSITIVITY-33 dB (22.4 mV) re 1V at 1 Pa
IMPEDANCE100 ohms
MAXIMUM INPUT SOUND LEVEL131 dB SPL, 1 kHz at 1% T.H.D.
SIGNAL-TO-NOISE RATIO>69 dB, 1 kHz at 1Pa
PHANTOM POWER REQUIREMENTS11-52V DC, 2 mA typical
WEIGHT48 g
DIMENSIONS30.0 mm - diameter,
64.6 mm - length
OUTPUT CONNECTORIntegral 3-pin XLRM-type
ACCESSORIES FURNISHEDOne pair isolators
The AT846/O is a wide-range
condenser microphone with an
omnidirectional polar pattern.
It is designed for unobtrusive
table, ceiling or panel-mounted
applications for high-quality sound
reinforcement, teleconferencing,
professional recording, television
and other demanding sound
pickup applications.
The AT846/O is equipped
with UniGuard®RFI-shielding
technology, whic h offe rs
outstanding rejection of radio
frequency interference (RFI). The
microphone is RoHS compliant –
free from all substances specified
in the EU directive on hazardous
substances.
The microphone should be placed on a at, unobstructed mounting
surface. The small diameter capsule near the boundary eliminates
phase distortion and delivers clear, high-output performance.
The microphone requires 11V to 52V phantom power for operation.
The microphone is enclosed in a heavy-duty die-cast case and
protected by a two-layer steel mesh grille. The low-profile housing
has a low-reflectance black finish. Isolators are included with the
microphone for optional mechanical isolation from the mounting
surface.
Output is low impedance balanced. The balanced signal appears
across Pins 2 and 3, while the ground (shield) connection is Pin 1.
Output is phased so that positive acoustic pressure produces positive
voltage at Pin 2 in accordance with industry convention.
To mount the AT846/O in a ceiling or table top without the isolators,
a 20.5 mm diameter hole is required. To mount the AT846/O with the
isolators, a 23.5 mm hole is required. Place the isolators on either
side of the hole to achieve mechanical isolation from the mounting
surface.
The microphone shall be a xed-charge condenser designed for use
in table, ceiling or panel-mount boundary applications. It shall have
a frequency response of 54 Hz to 20,000 Hz and an omnidirectional
polar pattern. It shall have a self-contained power module and shall
operate from an external 11V to 52V DC phantom power source.
It shall offer outstanding rejection of radio frequency interference
(RFI). It shall be capable of handling sound input levels up to 131
dB. Nominal open circuit output voltage shall be 22.4 mV at 1 kHz, 1
Pascal. Output shall be low impedance balanced (100 ohms) from an
integral 3-pin XLRM-type connector.
The microphone shall have a maximum diameter of 30.0 mm and an
overall length of 64.6 mm. Weight shall be 48 grams. The microphone
shall be housed in an all-metal case with a two-layer steel mesh
grille. Finish shall be low reectance black. Resilient isolators shall be
provided for reduction of mechanical noise transfer from the mounting
panel.
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 43C for extended periods. Extremely high °
humidity should also be avoided.
Produktspecifikationer
| Varumärke: | Audio-Technica |
| Kategori: | mikrofon |
| Modell: | AT846/O |
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