Instrukcja obsługi Audio-Technica U857RL


Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Audio-Technica U857RL (2 stron) w kategorii mikrofon. Ta instrukcja była pomocna dla 4 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

Strona 1/2
CARDIOID CONDENSER ADAPTER-MOUNT
GOOSENECK MICROPHONE
- Designed for high-quality sound
reinforcement, professional record-
ing and broadcasting.
- Superior off-axis rejection for maxi-
mum gain before feedback.
- UniGuard™ RFI-shielding technol-
ogy offers 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 affect-
ing 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 U857R stands 305mm from the table or podium, it is also
available in a 421mm version as U857RL. The two models are
identical in all other respects.
The microphone requires 11V to 52V DC phantom power for
operation.
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 AT8538 power module via a spe-
cial 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
IMPEDANCE
MAXIMUM INPUT SOUND LEVEL
DYNAMIC RANGE (TYPICAL)
SIGNAL-TO-NOISE RATIO
PHANTOM POWER REQUIREMENTS
SWITCH
WEIGHT U857R
U857RL
POWER MODULE
DIMENSIONS U857R
U857RL
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
-39 dB (11.2 mV) re 1V at 1 Pa
250 ohms
139 dB SPL, 1 kHz at 1% T.H.D.
115 dB, 1 kHz at Max SPL
70 dB, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
Flat, roll-off
124 g
131 g
81 g
305 mm - long
421 mm - long,
12.2 mm - head diameter
92.9 mm - long, 18.9 mm - diameter
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°)
AT8538 power module;
AT8153 two-stage foam windscreen
Cable
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-L0004-05-E
Machida Tokyo Japan
心形指向性 螺帽安装式
专业型鹅颈式会议话筒
- 设计于高质量收音、专业录音、
电视广播、会议等高要求的收音
应用。
- 良好的隔音设计,在最大增益时
仍能避免啸叫声的出现。
- UniGuard - 射频干扰(RFI)
技术,提供杰出的防止射频干扰
能力,避免收音时受到如手提电
话等的干扰。
- 易于调节、耐用、细小、可反覆
摆动而没有“记忆”效果的鹅颈
弯曲结构,可快速及随意地把话
筒收音头固定在合适的位置。
- UniSteep® - 高通滤波器,提供了
一个高效能的高通滤波,把低频
噪声作出衰减而无损话音的收音
- 更换式的收音头设计,可选配适
合的收音头配合实际的应用,收
音角度可由90°360°
- 附有双层式防风海棉罩,可减低
在讲话时收到不雅的喷气声及其
他风声的情况出现。
- 螺帽安装设计,可直接把话筒安
"-27
环附件安装于桌面上。
U857R 全长为305mm,可安装在桌面或话筒架上使用。另外,
U857RL 全长为421mm,而两个型号的其他细节均相同
话筒只需使用直11V 52V 幻象供电操作。
低阻抗的平衡音频输出,音频信号以卡农公头的2号及3号针脚输
出,1号针脚则为地线(屏蔽)连接
2号针脚上。
内置高质量 UniSteep®
高通滤波电路,可轻易由平直的频率响
应,为于 80 Hz以下衰减的收音效果,应高通滤波器可减低
话筒在近距离讲话收音时的喷气声,并可减低收音环境中低频噪
(如外擎声系统)间中
械性的震动声。
3m线TA3F
接于 AT8538
供电器上。
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 43°C的地方,而
极高湿度也应避免。
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 U857R
U857RL
供电模组
外形尺寸 U857R
U857RL
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,
静电型电容式
心形单指向性
30-20,000 Hz
80 Hz, 18 dB/octave
-39 dB (11.2 mV) 1V 1 Pa
250
139 dB 声压, 1 kHz 1% T.H.D.
115 dB, 1 kHz 于最高声压
70 dB, 1 kHz 1 Pa
直流 11-52V,耗电 2 mA 典型
平直,高通滤波
124
131
81
305 mm -
421 mm - 长,
12.2 mm - 收音头直径
92.9 mm - x 18.9 mm 直径
内置式3
针卡农公头
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 (360°)
UE-UL UniLine™
超指向性 (90°)
AT8538 供电模组
AT8153 双层式防风海棉罩
连接线
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 四通通48V幻象供电器 (交流供电)
AT8801/EU 单通道48V幻象供电器
( 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-L0004-05-C
Machida Tokyo Japan


Specyfikacje produktu

Marka: Audio-Technica
Kategoria: mikrofon
Model: U857RL

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