Audio-Technica U857QU Bedienungsanleitung


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U857QU
UNILINE
CONDENSER QUICK-MOUNT
GOOSENECK MICROPHONE
- Designed for high-quality sound
reinforcement, professional record-
ing and broadcasting.
narrow 90° acceptance angle.
- Superior o-axis rejection for maxi-
mum gain before feedback.
- UniGuard RFI-shielding technol-
ogy oers outstanding rejection of
radio frequency interference (RFI).
- Easy-to-adjust, rugged, small-
dimeter, alternating gooseneck with
virtually no memory permits quick
positioning into desired shape.
- UniSteep
®
lter provides a steep
low-frequency attenuation to im-
prove sound pickup without aect-
ing voice quality.
- Self-contained electronics eliminate
need for external power module.
- Accepts interchangeable elements
to permit angle of acceptance from
90° to 360°.
- Two-stage foam windscreen yields
dramatically improved resistance to
P-pops and other breath blasts.
- Quick-mount design with 3-pin XLRM-type connector insert at
base plugs into any standard XLRF-type surface or cable con-
nector.
- Optional shock mount attenuates noise, shock and vibration
transmitted through the mounting surface.
The U857QU stands 487mm from the table or podium. The
model is require 11V to 52V phantom power for operation.
Output from the microphone's 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.
At integral 80 Hz high-pass UniSteep
®
filter provides easy
switching from a at frequency response to a low-end roll-off.
The roll-off position reduces the microphone's sensitivity to
popping in close vocal use. It also reduces the pickup of low-
frequency ambient noise (such as trafc, air-handling systems,
etc.), room reverberation and mechanically coupled vibrations.
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.
SPECIFICATIONS
ELEMENT
POLAR PATTERN
FREQUENCY RESPONSE
LOW FREQUENCY ROLL-OFF
OPEN CIRCUIT SENSITIVITY
IMPEDANCE
MAXIMUM INPUT SOUND LEVEL
DYNAMIC RANGE (TYPICAL)
SIGNAL-TO-NOISE RATIO
PHANTOM POWER REQUIREMENTS
SWITCH
WEIGHT
DIMENSIONS
OUTPUT CONNECTOR
OPTIONAL INTERCHANGEABLE
ELEMENTS
ACCESSORIES FURNISHED
Fixed-charge back plate
permanently polarized condenser
Line Cardioid
30-20,000 Hz
80 Hz, 18 dB/octave
-35 dB (17.7 mV) re 1V at 1 Pa
250 ohms
135 dB SPL, 1 kHz at 1% T.H.D.
115 dB, 1 kHz at Max SPL
74 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
Flat, roll-o
161 g
487 mm - long,
12.2 mm - head diameter
Integral 3-pin XLRM-type
UE-C cardioid (120°)
UE-H hypercardioid (100°)
UE-O omnidirectional (360°)
AT8154 two-stage foam windscreen
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Optional Accessories:
AT8662 shock mount.
AT8506 four-channel 48V phantom power
supply (AC powered).
AT8615 quick-mount plug-in microphone
desk stand.
AT8801/EU single-channel 48V phantom
power supply (AC powered).
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND
12 or more on axis
Roll-o
Response in dB
FORM No. ATGC-L0166-10-E
Machida Tokyo Japan
U857QU
-
设计于
专业录
广 要求的收
- UniLine
提供窄
90
°的收
-
良好的隔音 在最大增益时
- UniGuard -
(RFI)
止射
避免收时受到如手提电
话等的干扰。
-
易于调节
意地把话
筒收
- UniSteep
®
-
通滤波器提供了
一个效能的通滤波把低
的收
-
内置话筒前置放大器供电组件
使
-
更换式的收头设计可选配适
合的收头配合实
角度可由
90
°
360
°
-
海棉罩可减低在讲话时收到不
及其他
-
线
3
XLRM
可连接到以任何以
3
卡农母头
XLRF
设计的会议话
筒座上亦可在有要时直接连线到调
-
面防震话筒座把话筒固定安装在桌或其他板
并能减低碰撞平时产生的敲击声及
U857QU
487mm
可安装在桌或控制板上使用并以
直流
11V
52V
幻象供电工作。
抗的平衡音频输出,音频信号以卡农公头的
2
号及
3
脚输
1
脚则线
(
屏蔽
)
连接
2
脚上。
内置
UniSteep
®
通滤波电路可轻易由平直的
开启
80 Hz
以下通滤波器可减低
话筒在近距离讲话收时的喷气声并可减低收环境中低
(
如外汔车引擎声空调系统的声等
)
中的回声及机
械性的动声。
把话筒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置于温度超过
43
°
C
的地方
湿度也应避免。
技术指标
收音头
指向特性
频率响应
高通滤波
开通灵敏度
输出阻抗
最大承受声压
动态范围 (典型)
讯噪比
幻象供电
开关
重量
外形尺寸
输出连接器
可转换收音头
附属品
固定充电背板
电型电容式
超指向性
30-20,000 Hz
80 Hz, 18 dB/octave
-35 dB (17.7 mV)
1V
1 Pa
250
欧姆
135 dB
声压
, 1 kHz
1% T.H.D.
115 dB, 1 kHz
于最声压
74 dB, 1 kHz
1 Pa
直流
11-52V
耗电
2 mA
典型
平直,高通滤波
161
487 mm -
长,
12.2 mm -
头直径
内置式
3
卡农公头
UE-C
心形指向
(120°)
UE-H
超心形指向
(100°)
UE-O
全方向性
(360°)
AT8154
双层式防风海棉罩
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
选择配件
:
AT8662
防震
AT8506
四通通
48V
幻象供电器
(
交流供电
)
AT8615
座桌快速安装话筒座
AT8801/EU
单通道
48V
幻象供电器
(
交流供电
)
指向特性
频率特性
声压曲线
1
刻度
5 dB
频率
频率
(
赫兹
)
电平
平直
通滤波
响应电平 (dB)
FORM No. ATGC-L0166-10-C
Machida Tokyo Japan


Produktspezifikationen

Marke: Audio-Technica
Kategorie: Mikrofon
Modell: U857QU

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