Audio-Technica AT803 Handleiding
Audio-Technica
Microfoon
AT803
Lees hieronder de 📖 handleiding in het Nederlandse voor Audio-Technica AT803 (2 pagina's) in de categorie Microfoon. Deze handleiding was nuttig voor 17 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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MINIATURE OMNIDIRECTIONAL CONDENSER MICROPHONE
- High intelligibility for lecturers and stage/TV performers
- Provides excellent yet unobtrusive sound pickup
- UniSteep® lter provides a steep low-frequency attenuation to
improve sound pickup without affecting voice quality
- Operates on battery or phantom power
The AT803 is designed to be worn as a lavalier or hidden in
loose clothing. 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 AT803 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.
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 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 trafc, 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-L0121-07-E
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
same as 1 kHz
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized condenser
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 30-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY
(Phantom / Battery)
-44 dB (6.3 mV) re 1V at 1 Pa
-46 dB (5.0 mV) re 1V at 1 Pa
IMPEDANCE (Phantom / Battery) 200 ohms / 270 ohms
MAXIMUM INPUT SOUND LEVEL
(Phantom / Battery)
135 dB / 121 dB SPL,
1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)
(Phantom / Battery)
107 dB / 93 dB,
1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 66 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIRMENTS 11 - 52V DC, 2 mA typical
BATTERY TYPE 1.5V AA/UM3
BATTERY CURRENT / LIFE 0.4 mA / 1200 hrs typical (alkaline)
SWITCHES Off, on-at, on-roll-off
WEIGHT MICROPHONE
POWER MODULE
2.8 g
139 g
DIMENSIONS MICROPHONE
POWER MODULE
25.0 mm long, 10.2 mm diameter
84.0 mm H x 63.0 mm W x 22.0 mm 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-type connector
ACCESSORIES FURNISHED AT8531 power module;
AT8417 clothing clip;
AT8116 windscreen;
battery;
protective carrying case
Roll-off
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)
FORM No. ATGC-L0121-07-C
小型全方向指向性电容话筒
- 高集成结构，适合在教学、演唱、舞台、电视广播上使用。
- 提供优秀和不显眼的收音设计。
- 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质量。
- 可以使用电池或幻象供电工作。
A 03 T8 是为戴在表演者衣服上，在不防碍外观，但有超卓收
音效果而设计的微型电容话筒。全方向指向性收音，能有效地
提高收音效果，不需特别注意话筒的位置，已能确保演讲者、
歌唱家、舞台及电视演员提供高度清晰及准确的重播。
AT80 11V 1.5V AA3话筒需使用 至52V幻象供电或 电池工作，
当使用幻象电源时，可以不安装电池。
安 装 电 池 时 ， 供 电 模 组 顶 部 的 电 池 盖 ， 放 入 一 枚 新 的打 开
1.5V AA ('+'电池 极向电池盖打开键)，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 卡农输出端为低阻抗平衡输出，话筒音频信的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 UniSteep® 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 Ro HS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。
与
1 kHz 曲线相同
Machida • Tokyo • Japan
技术指标
收音头 固定充电背板，
静电型电容式
指向特性 全方向指向性
频率响应 30-20,000 Hz
高通滤波 80 Hz, 12 dB/octave
开通灵敏度 (幻象供电)
(电池)
-44 dB (6.3 mV) /
-46 dB (5.0 mV) 以 1V 于 1 Pa
输出阻抗 (幻象供电/电池)200 欧姆 / 270 欧姆
最大承受声压 (幻象供电/电池)135 dB / 121 dB 声压,
1 kHz 于 1% T.H.D.
动态范围 (典型) (幻象供电/电池)107 dB / 93 dB, 1 kHz
于最高声压
讯噪比 66 dB, 1 kHz 于 1 Pa
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)
幻像供电 直流 11 - 52V, 耗电 2mA 典型
开关 关闭 / 平直 / 高通滤波
重量 话筒
供电模组
2.8 g
139 g
外形尺寸 话筒
供电模组
25.0 mm 长, 10.2 mm 直径
84.0 mm 高, 63.0 mm 宽, 22.0 mm 厚
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蕊线连屏蔽电线，
以TA3F插头连接。
附属品 AT8531 供电模组；
AT8417 领带夹；
AT8116 防风棉；
电池；
保护袋
高通滤波
Product specificaties
| Merk: | Audio-Technica |
| Categorie: | Microfoon |
| Model: | AT803 |
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