Audio-Technica AT882TH/D3RC5 Manual

Audio-Technica Mikrofon AT882TH/D3RC5

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Description
The AT882TH/D3RC5 requires a phantom power supply of 11–52V DC for the element. Output is
low-impedance balanced. The Right channel signal appears across the XLR connector Pins 2 and
3, while the ground (shield) connection is Pin 1. The Left channel signal appear across the red and
yellow wires; audio ground is the shield connection. Output is phased so that positive acoustic
pressure produces positive voltage on the yellow wire. The small-diameter black and blue wires
are the contact closure. The white wire is the LED control.
Each of the element in the microphone is shock mounted. The Hypercardioid polar pattern of the
elements provides a 100°angle of acceptance. The AT882TH/D3RC5 is designed with integral
wind-screens to ensure maximum security against wind noise and plosives.
The microphone features a rubber switch that is programmable external contact closure and
LED indicator. The microphone's external contact closures capability permits control of remote
devices. The AT882TL/D3RC5 is enclosed in a sturdy metal housing with a low-reflectance black
finish. Its base is a desk stand that connected with two 1 meter cables permanently attached to
microphone. The XLRM output cable is used for Right side element and Unterminated cable for
Left side element. The blue and black wires are used for contact closure, Closed when pressed or
Opened when not pressed. The white wire is used for indicator lights red when logic high (+5V
DC) and white when logic low (0V DC).
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.
Features
• Designed for quality sound reinforcement in demanding situations, conferencing,
especially those requiring separate miking for PA and broadcast.
• Dual-element Hypercardioid condenser microphone with two independent power
modules.
• A rubber switch with LED allows users to control for remote devices of Left channel.
• Integral, phantom-powered, Red LED indicator.
• Integral windscreens ensure ultimate security against wind noise and plosives.
• Small-diameter rigid-pipe design with pivoting ball-in-socket base permits flexible
positioning.
• Heavy die-cast case and rubber bottom pads minimize coupling of surface vibration to
the microphones.
Specifications
Element Dual back electret condenser
Polar pattern Hypercardioid (Unidirectional)
Frequency response 20-20,000 Hz
Open circuit sensitivity -35 dB (17.8 mV) re 1V at 1 Pa
Impedance 100 ohms
Maximum input sound level 130 dB SPL, 1 kHz at 1% T.H.D.
Signal-to-noise ratio >66 dB, 1 kHz at 1 Pa
Phantom power requirements 11-52V DC, 2 mA typical
Switch Push button : Left Channel control
Remote switch contact closure Closed circuit in switch pressed /
Opened circuit when not pressed
Remote LED input
Maximum input voltage
Red light up when high (+5V DC), Unlit when low (0V DC),
-0.5V to 5.5V
Weight 1.14 kg
Dimensions 354 mm - long, 345 mm - Max. height, 102 mm - Width
Cable 2 x 1.0 m long (permanently attached to microphone),
Output connector 3-pin XLRM-type (Right channel direct output)
Unterminated 5-wires (Left channel direct output)
polar pattern
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
10 dB
20k10k5k2k1k50020010050
LEGEND
frequency response
Frequency in Hertz
Response in dB
12” or more on axis
Audio-Technica Corp. Machida • Tokyo • Japan 2019 DEC FORM No. ATGC-L0376-19-E
Left channel output:
Black: control ground
White: LED control
Blue: contact closure
Red: cold(-)
Yellow: hot(+)
Shield: audio ground
Rigth channel output:
Pin 1: ground Pin 2: hot(+)
Pin 3: cold(-)
Optional Accessories:
ATUC-50IU Integration unit for the ATUC-50
conference system
Dual-element Hypercardioid Condenser Microphone (with Remote Switching and LED)
AT882TH/D3RC5
说明
AT882TH/D3RC5的供电模组使用11V 至52V 的幻像供电工作，每通道音频
为独立的低阻抗平衡输出。右通道信号以卡农公头的2号及3号针脚输
出，而1号 针脚 则为 地线 ( 屏蔽 ) 连接 。 通道 信号 以红 色和 黄色 的空 接左
线输出，而光身屏蔽线则为地线(音频)连接；输出相位将以正相位电平
设于黄色的空接线上；黑色和蓝色空接线为外接开关控制，而白色空接
线为 LED 显示灯外接控制。
话筒内配置有两路超心形指向的收音头， 可以提供各 100° 收音角度，为
减低环境噪声及风声， AT882TH/D3RC5 设有双网层防风罩作保护。
话筒设有无噪开关，作为 通道的外部触点开关控制。无噪开关独立连左
接外置器材，经左通道话筒输出的开关控制线作遥距控制。
话筒外壳为全金属结构，话筒底部以活动滑珠固定在底座上，可灵活调
校收音位置，并配有减低环境噪声及风声的防风罩。底座接有两绦1米
长固定式话筒线，3针卡农公头话筒线为右边收音单元；无终端话筒线
为左边收音单元。无终端话筒线的黑色和蓝色芯线为外接开关控制，在
按下开关时维保导通状态；而在无按下时为断路。而白色接线为 LED 显
示灯外接控制，接上高电位时(直流+5V )为红色；低电位时(直流0V)为白
色。
把话筒暴露于高温中可导致输出电平逐渐及永久性减弱，应避免将话筒
留在日晒地方或长时间置于温度超过 4 3 ° C的地方，极高湿度也应避免。
技术指标
收音头
双元件背板静电型电容式
指向特性
超心形指向性
频率响应
20-20,000 Hz
开通灵敏度
-31 dB (28.2 mV) 以 1V 于 1 Pa
输出阻抗
100 欧姆
最大承受声压
126 dB 声压, 1 kHz 于 1% T.H.D.
信噪比
>69 dB, 1kHz 于 1 Pa
幻象供电
直流 11-52V, 耗电 2 mA 典型
开关
按钮式 左通道(L) - 控制:
远程开关接点控制
按下时电路导通；
无按下时电路断路
远程LED输入
最大输入电压
高电位 (直流+5V)亮红灯 /
低电位 (直流0V)关灯；
-0.5V 5V至
重量
1.22 公斤
外形尺寸
214 mm - 长, 227 mm - 伸至最高点,
102 mm - 宽
连接线
2路1 )米长 (固定连接式电缆
输出连接
右通道(R)直接输出 : 3针卡农公头
左通道(L)直接输出/控制 : 无终端连接
指向特性
声压曲线1刻度5 dB
频率
10 dB
20k10k5k2k1k50020010050
电平
频率特性
频率 (赫兹)
响应电平 (dB)
平直
双音头超心形指向性电容话筒(带远程开关及LED显示灯)
AT882TH/D3RC5
特性
● 设计于公共广播、会议、电视广播及其他特别要求的收音应
用。
● 双音头单元的超心形指向性收音设计，并个别提供供电放大
器电路。
● 带LED灯的无噪式开关，可设定 左通道远程设备的逻辑作为
控制。
● 整合LED状态显示灯，以幻象供电操作，提供通话状态显
示。
● 整合了双网层防风罩，可减低环境噪声及风声。
● 话筒以曲管式设计，底部以活动滑珠固定在底座上，可灵活
调校收音位置，以达到最佳收音效。
● 压铸成型的底座和橡胶底垫，能减低碰撞平面时产生的敲击
声及震动声。
左通道输出接点
黑色: 控制地线
白色: LED 显示控制
蓝色: 外接开关
红色: 反相位电平
黄色: 正相位电平
屏蔽: 音频地线
右通道输出接点
针脚1:
反相位电平
针脚2:
正相位电平
针脚3: 音频地线
选择配件:
ATUC-50IU - 数字会议系统ATUC-50的嵌
入式单元。
FORM No. ATGC-L0376-19-CAudio-Technica Corp. Machida • Tokyo • Japan 2019 DEC

Produkt Specifikationer

Mærke: Audio-Technica
Kategori: Mikrofon
Model: AT882TH/D3RC5

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