Instrukcja obsługi Audio-Technica U843R
Audio-Technica
mikrofon
U843R
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User Manual
MULTIDIRECTIONAL CONDENSER BOUNDARY MICROPHONE
U843R
Introduction
Thank you for purchasing this Audio-Technica product.
Before using the product, please read through the Quick Start Guide, as well as
this user manual when necessary, to ensure that you use the product correctly.
Features
•Designed for surface-mount applications, such as high-quality sound
reinforcement, and to provide total coverage of round or long tables with fewer
microphones.
•Small-diameter microphone capsule near boundary eliminates phase distortion
and delivers clear, high-output performance.
•Durable brass-carved frame and non-slip high-performance urethane foam
bottom pads minimize coupling of surface vibration to the microphone.
•Low-profile design with low-reflectance finish for minimum visibility.
•U843R is ideal for a variety of video and audio conferencing applications,
especially when used with an Audio-Technica automatic SmartMixer™.
Connection procedure
Output from the microphone is low impedance (Lo-Z) balanced. The signal
appears across the pairs of colored wires (red and yellow wires for Ch1, white
and blue wires for Ch2, and green and brown wires for Ch3); audio ground is the
shield connection. Output is phased so that positive acoustic pressure produces
positive voltage on the yellow, green and white wires.
Wiring
YELLOW :PIN2 (Ch1 element HOT)
RED :PIN3 (Ch1 element COLD)
BLUE :PIN2 (Ch2 element HOT)
WHITE :PIN3 (Ch2 element COLD)
BROWN :PIN2 (Ch3 element HOT)
GREEN :PIN3 (Ch3 element COLD)
SHIELD :PIN1 (GND)
Specifications
Element Fixed-charge back plate, permanently polarized
condenser
Polar pattern Cardioid x 3
Open circuit sensitivity -37 dB (14.1 mV) (0 dB = 1 V/Pa, 1 kHz)
Impedance 100 ohms
Maximum input sound level 134 dB SPL (1 kHz at 1 % THD)
Dynamic range 105 dB (1 kHz at Max SPL)
Signal-to-noise ratio 65 dB (1kHz at 1Pa, A-weighted)
Phantom power requirements 11 - 52 V DC, 2 mA
Switches Levers adjust the elements for proper positioning
Weight 160 g (5.6 oz)
Dimensions 85.0 mm (3.35") diameter, 20.0 mm (0.79") height
Cable 7.6 m (24.93') long, Unterminated-type,
Permanently attached to microphone
Included accessory
Soft protective pouch
• 1 Pascal = 10 dynes/cm2
= 10 microbars = 94 dB SPL
For product improvement, the product is subject to modification without notice.
Polar pattern
200 Hz
1 kHz
5 kHz
8 kHz
240˚
180˚
210˚
270˚
300˚
330˚
0˚
150˚
120˚
90˚
30˚
60˚
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency response
10 dB
100
50 200 10k5k1k500 2k 20k
Frequency in Hertz
Response in dB
LEGEND 0°, 50 cm
Dimensions
85.0
15.0
20.0
Included accessory
Audio-Technica Corporation
2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan
©2019 Audio-Technica Corporation
Global Support Contact: www.at-globalsupport.com
Made in Japan 142316620-02-01 ver.1 2019.03.15
(unit: mm)
Specyfikacje produktu
| Marka: | Audio-Technica |
| Kategoria: | mikrofon |
| Model: | U843R |
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