Audio-Technica U857AL Bedienungsanleitung


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U857A / U857AL
CARDIOID CONDENSER ADAPTER-MOUNT
GOOSENECK MICROPHONE
- Designed for high-quality sound
reinforcement, professional
recording and broadcasting.
- Superior off-axis rejection for
maximum gain before feedback.
- UniGuard RFI-shielding
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
improve sound pickup without
affecting voice quality.
- 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.
- Direct mounts to any "-27 stand,
or to included threaded mounting
ange.
The U857A stands 305mm from the table or podium, it is also
available in a 421mm version as U857AL. The two models are
identical in all other respects.
The microphone requires 11V to 52V DC phantom power or a
1.5V AA battery for operation. A battery need not be in place for
phantom power operation.
Alkaline batteries are recommended for longest life. Remove
the battery during long-term storage.
Output from the power module'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.
The microphone features a 3m permanently attached miniature
cable. It connects to provided AT8531 power module via
a special TA3F-type connector designed to optimize RFI
immunity.
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
(Phantom / Battery)
IMPEDANCE (Phantom / Battery)
MAXIMUM INPUT SOUND LEVEL
(Phantom / Battery)
DYNAMIC RANGE (TYPICAL)
SIGNAL-TO-NOISE RATIO
PHANTOM POWER REQUIREMENTS
BATTERY TYPE
BATTERY CURRENT / LIFE
SWITCH
WEIGHT U857A
U857AL
POWER MODULE
DIMENSIONS U857A
U857AL
BOTH
POWER MODULE
OUTPUT CONNECTOR
CABLE
OPTIONAL INTERCHANGEABLE
ELEMENTS
ACCESSORIES FURNISHED
Fixed-charge back plate
permanently polarized condenser
Cardioid
30-20,000 Hz
80 Hz, 18 dB/octave
-42 dB (7.9 mV) re 1V at 1 Pa
-43 dB (7.0 mV) re 1V at 1 Pa
200 ohms / 270 ohms
133 dB / 123 dB SPL,
1 kHz at 1% T.H.D.
109 dB / 99 dB, 1 kHz at Max SPL
70 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
1.5V AA/UM3
0.4 mA / 1200 hrs typical (alkaline)
Off, on-at, on-roll-off
124 g
131 g
139 g
305 mm - long
421 mm - long,
12.2 mm - head diameter
84 mm(H) x 63 mm(W) x 22 mm (D)
Integral 3-pin XLRM-type
3m long, 3.2mm diameter,
2-conductor shielded cable with
TA3F-type connector
UE-C cardioid (120°)
UE-H hypercardioid (100°)
UE-O omnidirectional (360°)
UE-UL UniLine (90°)
AT8531 power module;
AT8153 two-stage foam windscreen
Cable; Battery
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Optional Accessories:
AT8601 Desk stand.
AT8614 Desk stand with thru-hole.
AT8506 four-channel 48V phantom power
supply (AC powered).
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-off
Response in dB
FORM No. ATGC-L0003-05-E
Machida Tokyo Japan
U857A / U857AL
-
设计于
专业录
广 要求的收
-
良好的隔音 在最大增益时
仍能
- UniGuard -
(RFI)
止射
时受到如手提电
话等的干扰。
-
易于调节
可快意地把话
筒收
- UniSteep
®
-
高通滤波器提供了
一个效能的高通 把低
的收
-
更换式的收头设计选配
合的收合实
角度可由
90
°
360
°
-
有双层式防风 可减低
的喷气声及其
-
螺帽安装设计可直接把话筒安
装在任何
"-27
的话筒架或
U857A
305mm
可安装在或话筒架上使用
另外
U857AL
421mm
而两个型号的其他细节均相同
使直流
11V
52V
幻象供电或一枚
1.5V AA 3
号电池供电
操作当使用幻象供电时可不用安装电池。
建议使用硷性电池工作期不使用电池时请把电池取出。
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
脚则地线
(
屏蔽
)
连接
2
脚上。
内置
UniSteep
®
高通可轻易由平直的
开启
80 Hz
以下减的效果滤波器可减低
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。
话筒
3m
线
TA3F
插头连
接于
AT8531
供电器上。
把话筒温中可能导致输出电平渐及永久性减弱
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 (幻象供电)
(电池)
输出阻抗(幻象供电/电池)
最大承受声压(幻象供电/电池)
动态范围 (典型)
讯噪比
幻象供电
电池种类
电池耗电量
/
电池寿命
开关
重量
U857A
U857AL
供电模组
外形尺寸
U857A
U857AL
共同为
供电模组
输出连接器
连接线
可转换收音头
附属品
固定充电背板
电型电容式
心形单指向性
30-20,000 Hz
80 Hz, 18 dB/octave
-42 dB (7.9 mV)
1V
1 Pa
-43 dB (7.0 mV)
1V
1 Pa
200
欧姆
/ 270
欧姆
133 dB / 123 dB
声压
,
1 kHz
1% T.H.D.
109 dB / 99 dB, 1 kHz
于最声压
70 dB, 1 kHz
1 Pa
直流
11-52V
耗电
2 mA
典型
1.5V AA 3
号电池
0.4 mA / 1200
小时
(
典型硷性电池
)
闭,平直,高通滤波
124
131
139
305 mm -
421 mm -
长,
12.2 mm -
头直径
84 mm(
)x 63 mm(
)x 22 mm(
)
内置式
3
卡农公头
3m
长,
3.2 mm
直径连接线
2
蕊线连屏蔽电线
TA3F
插头连接
UE-C
心形指向
(120°)
UE-H
超心形指向
(100°)
UE-O
全方向性
(360°)
UE-UL UniLine
超指向性
(90°)
AT8531
双供电模组
AT8153
双层式防风海棉罩
连接线电池
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
:
AT8601
座桌式话筒座
AT8614
座桌式话筒座
(
带导孔
)
AT8506
通通
48V
幻象供电器
(
交流供电
)
AT8801/EU
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
高通滤波
响应电平 (dB)
FORM No. ATGC-L0003-05-C
Machida Tokyo Japan


Produktspezifikationen

Marke: Audio-Technica
Kategorie: Mikrofon
Modell: U857AL

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