Audio-Technica AT882TH Bruksanvisning

Audio-Technica mikrofon AT882TH

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Description
The AT882TH requires a phantom power supply of 11–52V DC for each element.
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.
Each of the elements in the microphone is shock mounted. The Hypercardioid polar
pattern of the elements provides a 100°angle of acceptance. The AT882TH is designed
with integral wind-screens to ensure maximum security against wind noise and
plosives.
The microphone is enclosed in a sturdy metal housing with small-diameter rigid-pipe.
A low-reflectance black finished desk stand connected with a 2 meter splitter cable,
which terminates in two 3-pin XLRM-type connectors, for in-house and remote feeds.
The AT882TH is intended for use on a flat surface. The 2 meter splitter cable terminates
in two 3-pin XLRM-type connectors, which can be connected to in-house and/
or remote feeds. Connect the red output (Channel A) to the primary in-house feed.
Connect the gray output (Channel B) to the remote feed.
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, especially those
requiring separate miking for PA and broadcast.
• Dual-element Hypercardioid condenser microphone with two independent power
module.
• Circuit grounds for each channel are completely isolated, greatly reducing the
potential for hum.
• 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
Weight 1.14 kg
Dimensions 354 mm - Max. long,
345 mm - Max. height,
102 mm - Width
Cable 2 m long, vinyl-jacketed stereo cable
Output connector Two 3-pin XLRM-type
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 2017 MAR FORM No. ATGC-L0340-17-E
Optional Accessories:
AT8201 line matching transformer (Lo-z to
50,000 ohms)
AT8202 adjustable in-line attenuator for use
with low-impedance microphones.
AT8506 four-channel 48V phantom power
supply (AC powered).
Dual-element Hypercardioid Condenser Microphone
AT882TH
说明
AT 8 8 2 T H 的供电模组使用11V至5 2 V 的幻像供电工作，低阻抗的平衡音频
输出，终端音频线信号以两组卡农公头的2号及3号针脚输出，而1号针
脚则为地线(屏蔽)连接。输出相位将以正相电平设于2号针脚上，并以
附带的Y型双3针 X L R M 卡农接线连接到调音台。
话筒内配置有两组超心形指向性的收音头，各可以提供 100°收音角度，
AT 8 8 2 T H 设有双网层防风罩，可减低环境噪声及风声。
话筒外壳为全金属结构，话筒以幼细曲管连接到底座的活动滑珠上，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2
米长Y 型双3针 X L R M 卡农接线，可分别配置给主音响系统及远端传送。
AT 8 8 2 T H 适用于平面放置，2米长的Y型分路接线分别接上两个3针 X L R M
卡农接头，可连接到内部主音和/或远程传送。可将红色输出(通道A)连
接到内部主音系统；再将灰色输出(通道B)连接到远 传送端 。
把话筒暴露于高温中可能导致输出电平逐渐及永久性减弱，应避免将话
筒留在日晒的地方或长时间置于温度超过 4 3 ° C 的地方，而极高湿度也应
避免。
特性
●设计于公共广播、专业录音、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设计，并个别提供供电放大器电路。
●两组供电放大器电路完全独立，避免了相互的影响产生噪声。
●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，以达到最佳收音效果。
●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。
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
-35 dB (17.8 mV) 以 1V 于 1 Pa
输出阻抗
100 欧姆
最大承受声压
130 dB 声压, 1 kHz 于 1% T.H.D.
信噪比
>66 dB, 1kHz 于 1 Pa
幻象供电
直流 11-52V, 耗电 2 mA 典型
重量
1.14 公斤
外形尺寸
354 mm - 伸至最长,
345 mm - 伸至最高点,
102 mm - 宽
连接线
2米长，聚乙烯护套立体声电缆
输出连接器
两路3针卡农公头于输出端
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
AT882TH
选择配件:
AT8201 话筒线路匹配变压器
(低阻抗至50,000欧姆)。
AT8202 可选式低阻抗话筒
电平衰减器。
AT8506 四通通48V幻象供电器
(交流供电)。
FORM No. ATGC-L0340-17-CAudio-Technica Corp. Machida • Tokyo • Japan 2017 MAR

Produktspecifikationer

Varumärke: Audio-Technica
Kategori: mikrofon
Modell: AT882TH

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