Instrukcja obsługi Audio-Technica AT871UG
Audio-Technica
mikrofon
AT871UG
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Audio-Technica AT871UG (2 stron) w kategorii mikrofon. Ta instrukcja była pomocna dla 26 osób i została oceniona przez 13.5 użytkowników na średnio 4.9 gwiazdek
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UNIDIRECTIONAL CONDENSER
BOUNDARY MICROPHONE
- Designed for surface-mount
applications such as high-quality
sound reinforcement, professional
recording, television, conferencing
and other demanding sound
pickup situations.
- UniGuardTM RFI-shielding
technology offers outstanding
rejection of radio frequency
interference(RFI).
- Superior off-axis rejection for
maximum gain before feedback.
- Small-diameter UniPoint capsule near boundary eliminates phase
distortion and delivers clear, high-output performance.
- Heavy die-cast case and non-silp silicon foam bottom pads
minimize coupling of surface vibration to the microphone.
- Low-prole design with low-reectance nish for minimum visibility.
- AT871UG has contained electronics eliminate need for external
power module.
- The AT871UG requires 9V to 52V phantom power for operation
only.
Supplied as a cardioid, AT871UG accepts interchangeable elements
to permit selection of angle of acceptance from 100 to 360° °.
Positioning a properly designed miniature cardioid microphone
centrally on a large, at, unobstructed surface yields several distinct
advantages. Directionality is increased by 3dB, promoting enhanced
gain before feedback and further suppression of ambient noise.
Sensitivity is increased for improved signal to noise ratio. Phase
distortion due to reflected sound energy from boundary itself is
eliminated.
The microphone should be placed on a at,
unobstructed mounting surface, with the
front of the microphone facing the sound
source. The sound source should not be
below, or high than 60 above, the plane of °
the mounting surface.
Output from XLRM-type connector 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.
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 43 C for extended periods. Extremely high °
humidity should also be avoided.
FORM No. ATGC-L0173-10-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized condenser
POLAR PATTERN Half-cardioid (cardioid in hemisphere
above mounting surface)
FREQUENCY RESPONSE 30-20,000 Hz
OPEN CIRCUIT SENSITIVITY -33 dB (19.9 mV) re 1V at 1 Pa
IMPEDANCE 200 ohms
MAXIMUM INPUT SOUND LEVEL 130 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) 103 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 67 dB, 1 kHz at 1Pa
PHANTOM POWER REQUIREMENTS 9-52V DC, 2 mA typical
WEIGHT (less cable) 415 g
DIMENSIONS 120.0 mm - maximum width,
145.0 mm - maximum length,
17 mm - height
OUTPUT CONNECTOR TB3M-type
CABLE 7.6m long, 3.2mm diameter, 2-con-
ductor shielded cable with TA3F-type
connector and XLRM-type connectors.
OPTIONAL INTERCHANGEABLE
ELEMENTS
AT853H-ELE hypercardioid (100°)
AT853C-ELE cardioid (120°)
AT853SC-ELE subcardioid (170°)
AT853O-ELE omnidirectional (360°)
ACCESSORIES FURNISHED Soft protective pouch
IDEAL
WORKING
ANGLE
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Response in dB
Optional Accessories:
AT8201 line matching transformer (Lo-z to
50,000 ohms)
AT8202 adjustable in-line attenuator for
use with balanced Lo-Z microphones.
AT8506 four-channel 48V phantom power
supply (AC powered).
AT8801/EU single-channel 48V phantom
power supply (AC powered).
Specyfikacje produktu
| Marka: | Audio-Technica |
| Kategoria: | mikrofon |
| Model: | AT871UG |
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