Audio-Technica AT831b Bedienungsanleitung
Audio-Technica
Microfoon
AT831b
Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Audio-Technica AT831b (2 Seiten) in der Kategorie Microfoon. Dieser Bedienungsanleitung war für 7 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet
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MINATURE CARDIOID CONDENSER MICROPHONE
FORM No. ATGC-L0151-08-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-change back plate permanently
polarized condenser
POLAR PATTERN Cardioid
FREQUENCY RESPONSE 40-20,000 Hz
OPEN CIRCUIT SENSITIVITY
(Phantom / Battery)
-44 dB (6.3 mV) /
-45 dB (5.6 mV) re 1V at 1 Pa
IMPEDANCE (Phantom / Battery) 200 ohms / 270 ohms
MAXIMUM INPUT SOUND LEVEL
(Phantom / Battery)
135 dB SPL / 121 dB SPL,
1 kHz at 1% T.H.D.
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
DYNAMIC RANGE (typical)
(Phantom / Battery)
106 dB / 92 dB,
1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 65 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
BATTERY TYPE 1.5V AA
BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical (alkaline)
SWITCH Off, on-at, roll-off
WEIGHT (less cable and accessories)
MICROPHONE
POWER MODULE
2.8 g
139 g
DIMENSIONS
MICROPHONE
POWER MODULE
25.0 mm - long, 10.2 mm - diameter
84.0 x 63.0 x 22.0 (mm) - H x W x D
OUTPUT CONNECTOR Integral 3-pin XLRM-type
CABLE 1.8 m long (permanently attached to
microphone), 2.6 mm diameter,
2-conductor, shielded cable with TA3F
output connector
ACCESSORIES FURNISHED AT8531 power module;
AT8417 clothing clip;
AT8444 instrument adapter;
AT8116 windscreens;
protective carrying case
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Response in dB
Roll-off (MT830a)
- Clip-on lavalier mic provides crisp, full-sounding voice pickup
- Also excels as an instrument mic, especially for pickup of acoustic
guitar with included AT8444 instrument adapter
- Excellent gain before feedback and suppression of background
noise
- Switchable low-frequency roll-off
- Operates on battery or phantom power
For use as a lavalier, attach the microphone about 150mm below
the chin. Anticipate movements that may cause the microphone to
rub against or be covered by clothing, and position the microphone
to avoid it.
The AT831b requires 11-52V DC phantom power, or a 1.5V AA
battery for operation. A battery need not be in place for phantom
power operation.
Battery installation: Remove the cap from the top of the power
module. Insert a fresh 1.5V AA battery (“+” end toward the cap
release button), then reassemble the power module. 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.
To avoid phase cancellation and poor sound, all mic cables must be
wired consistently: Pin 1-to-Pin 1, etc.
An integral 80 Hz high-pass filter provides easy switching from a
flat 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 traffic, air-handling systems, etc.), room reverberation and
mechanically coupled vibrations..
The microphone is RoHS compliant–free from all substances
specied in the EU directive on hazardous substances.
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.
FORM No. ATGC-L0151-08-C
Machida • Tokyo • Japan
小型心形指向性话筒
- 领带式小型话筒,提供清脆明亮和全音域的话音收音功能。
- 可使用在乐器收音上,配置AT8444结他夹持装置,可把话置
夹持在准确的收音位置,并能保护收音头及减低震动。
- 在 增 益 收 音 的 同 时 , 仍 有 优 秀 的 抗 回 音 和 减 少 背 景 噪 音 能
力。
- 内置高通滤波器选择,把低频噪声作出衰减而无损话音的收
音质量。
- 使用幻象供电或电池工作。
AT831b 是为戴在表演者衣服、领带上,在不防碍外观,但有
超卓收音效果而设计的超小型电容话筒。佩戴在领带时,请注
意把话筒夹持于颈下约 的位置。而为避免衣服碰到话筒150mm
时产生的噪音,请注意话筒夹持的位置不要接触到其他衣服。
配有一个 供电模组,需要提供 幻象供电 AT8531 11V至52V
或 电1.5V AA电池操作,当使用幻象电源操作时,可以不安装
池。
安装电池时,把供电模组顶部的电池盒盖打开,确认电池的极
性(跟随电池盒内的标记),放入一枚新的1.5V AA电池,再盖
回电池盖。建议使用碱性电池,而长时间不使用时,请把电池
取出。
供电模组的 卡农输出端为低阻抗平衡输出,话筒音频信XLRM
号最终以卡农公头的2号及3号针脚输出,而1号针脚则为地线
(屏蔽)连接。输出相位将以正相位电平设于2号针脚上。
为避免出现相位相互抵消而失真的情况,所有话筒连接时,接
线必需以1-1,2-2,3-3型式把针脚连接。
内置高质量高通滤波电路,可轻易由平直的频率响应,开启为
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声(如外
间汔车引擎声,空调系统的风声等),房间中的回声及机械性的
震动声。
话 筒 符 合 R o H S 规格,在构造上不含有欧盟禁用的危害性物
质。
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。
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
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
响应电平 (dB)
高通滤波 (MT830a)
技术指标
收音头 固定充电背板,静电型电容式
指向特性 心型指向性
频率响应 40-16,000 Hz
开通灵敏度 (幻象供电 /
电池)
-44 dB (6.3 mV) /
-45 dB (5.6 mV) 以 1V 于 1 Pa
输出阻抗 (幻象供电 / 电池 ) 200 欧姆 / 270 欧姆
最大输入声压 (幻象供电 /
电池)
135 dB SPL /
121 dB SPL, 1 kHz 于 1% T.H.D
高通滤波 80 Hz, 18 dB/octave
动态范围 (幻象供电 / 电池 ) 106 dB / 112 dB, 1 kHz 于最高声压
讯噪比 65 dB, 1V 于 1 Pa
幻象供电 直流 11-52V, 耗电 2 mA 典型
电池种类 1.5V AA型 5号电池
耗电/电池寿命 0.4 mA / 1200小时 (碱性电池)
开关 关闭、开启-平直、开启
-高通滤波
重量(不带连线与配件)
话筒
供电模组
2.8 克
139 克
外形尺寸
话筒
供电模组
25.0 mm -长,10.2 mm -直径
84.0 x 63.0 x 22.0 (mm)-长 x 宽 x 高
输出连接器 内置 XLRM-3针卡农公头
连线 1.8 m - 长,2.6 mm - 直径,
话筒固定连接,
2蕊屏蔽电线,以TA3F插头连接。
附属品 AT8531 供电模组;
AT8417 领带夹;
AT8444
乐器夹持装置;
AT8116 防风罩;
便携保护袋。
Produktspezifikationen
Marke: | Audio-Technica |
Kategorie: | Microfoon |
Modell: | AT831b |
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