Audio-Technica ES945 Handleiding
Audio-Technica
Telefoon
ES945
Lees hieronder de 📖 handleiding in het Nederlandse voor Audio-Technica ES945 (2 pagina's) in de categorie Telefoon. Deze handleiding was nuttig voor 66 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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OMNIDIRECTIONAL CONDENSER BOUNDARY MICROPHONE
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Optional Accessories:
AT8506 four-channel 48V phantom
power supply (AC powered).
AT8668 quick-mount plug-in micro-
phone desk stand.
AT8801/EU single-channel 48V
phantom power supply (AC pow-
ered).
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Response in dB
FORM No. ATGC-L0105-07-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized condenser
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 40-18,000 Hz
OPEN CIRCUIT SENSITIVITY -42 dB (7.9 mV) re 1V at 1 Pa
IMPEDANCE 200 ohms
MAXIMUM INPUT SOUND LEVEL 142 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) 112 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 64 dB, 1 kHz at 1Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
WEIGHT 63 g
DIMENSIONS 28.0 mm - diameter,
69.0 mm - length
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED One pair isolators
T h e E S 9 4 5 i s a w i d e- r a ng e
condenser microphone with an
omnidi re ct io na l pol ar pattern.
It is desig ned for u nob trus ive
table, ceiling or panel-mounted
applications for high-quality sound
reinforcement, teleconferencing,
professional recording, television
a nd oth e r d e m an d ing s ou n d
pickup applications.
Th e ES9 4 5 is e qui pp e d wi th
U n i G u a r d ® R F I - s h i e l d i n g
t e c h n o l o g y , w h i c h o f f e r s
outstand ing rejection o f radi o
frequency interference (RFI). The
microphone is RoHS compliant –
free from all substances specied
in the EU directive on hazardous
substances.
The microphone should be placed on a at, unobstructed mounting
surface. The smalldiameter capsule near the boundary eliminates
phase distortion and delivers clear, high-output performance.
The microphone requires 11V to 52V phantom power for operation.
The microphone is enclosed in a heavy-duty die-cast case and
protected by a two-layer steel mesh grille. The low-profile housing
has a low-reectance black nish. The microphone is also available
in white as the ES945W (shown above). Isolators are included with
the microphone for optional mechanical isolation from the mounting
surface.
Output is low impedance balanced. The balanced signal appears
across Pins 2 and 3, while the ground (shield) connection is Pin 1.
Output is phased so that positive acoustic pressure produces positive
voltage at Pin 2 in accordance with industry convention.
To mount the ES945 in a ceiling or table top without the isolators,
a 20.5 mm diameter hole is required. To mount the ES945 with the
isolators, a 23.5 mm hole is required. Place the isolators on either
side of the hole to achieve mechanical isolation from the mounting
surface.
The microphone shall be a xed-charge condenser designed for use
in table, ceiling or panel-mount boundary applications. It shall have
a frequency response of 40 Hz to 18,000 Hz and an omnidirectional
polar pattern. It shall have a self-contained power module and shall
operate from an external 11V to 52V DC phantom power source.
It shall offer outstanding rejection of radio frequency interference
(RFI). It shall be capable of handling sound input levels up to 142 dB
with a dynamic range of 112 dB. Nominal open circuit output voltage
shall be 7.9 mV at 1 kHz, 1 Pascal. Output shall be low impedance
balanced (200 ohms) from an integral 3-pin XLRM-type connector.
The microphone shall have a maximum diameter of 28.0 mm and an
overall length of 69.0 mm. Weight shall be 63 grams. The microphone
shall be housed in an all-metal case with a two-layer steel mesh
grille. Finish shall be low reectance black [white]. Resilient isolators
shall be provided for reduction of mechanical noise transfer from the
mounting panel.
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.
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-L0106-07-C
Machida • Tokyo • Japan
全方向指向性电容式平面话筒
E S 9 4 5 是一枚阔频宽的电容
式 全 方 向 指 向 性 话 筒 ， 小 型
的 设 计 ， 特 别 适 合 安 装 在 不
显 眼 的 桌 面 、 天 花 、 仪 表 面
板 上 使 用 ， 可 应 用 于 专 业 录
音 、 电 视 广 播 、 视 像 会 议 等
高要求的收音应用。
E S 9 4 5 配 备 有 U n iG u a r d ®
- 射 频 干 扰 ( R F I ) 屏敝技术，
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 。 话 筒 亦 符 合
Ro H S 规格，在构造上不含有
欧盟禁 用的危害 性物质 。
话筒应安装在一个平直及无阻碍物的平面上，接近平面的
小 型 收 音 头 可 消 除 相 位 失 真 ， 和 提 供 清 晰 及 高 输 出 的 表
现。
内置 的供 电模 组使 用直流 11V 至 52 V 幻象 供电 工作 。话 筒
外壳使用耐用的合金铸造及双层保护网设计，并涂上黑色
不反光涂层，而 E S 9 4 5W 为白色涂层设计。话筒配有防震
绝缘胶，以防止安装面上的震动噪声。
低阻抗的平衡音频输出，音频信号以卡农公头输出端子的
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。
话筒如不需要安装防震胶时，可在天花板或桌面上开出直
径 2 0 . 5 m m 的圆孔安装；如需要连同防震胶一起安装时，
则需要开出直径 2 3. 5 m m 的圆孔，而防震胶需要前后两端
同时安装于平面上。
话筒是固定充电背板收音头设计，安装在桌面、天花、仪
表面板上使用，频率响应为 4 0 H z 至 1 8 , 0 0 0 H z 的全方向
指向性收音，内置使用直流 11 V 至 5 2 V 幻 象 供 电 的 供 电
模 组 。 防 止 射 频 干 扰 ( R F I ) 的 能 力 ， 可 提 供 达 1 4 2 d B 的 声
压输入电平，而动态范围为 112 d B， 一般开路输出电压为
7.9 mV 。输出 接线端 为标准 的 X LRM -3 卡农公 头，可 连接
到任何 以 XL RF-3 设计的会议话筒上。
话筒最大直径为 28. 0mm 及全长 为 69. 0mm ，重量 为 60 克。
话筒外壳为全金属结构及双层保护网设计，表面涂上低反
光黑色或白色涂层，而话筒均配有防震绝缘胶，以防止安
装面上的震动噪声。
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 。
选择配件:
AT8506 四通通48V幻象供电器 (交流供电)。
AT8668 座桌快速安装话筒座。
AT8801/EU 单通道48V幻象供电器 (交流供电)。
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 40-18,000 Hz
开通灵敏度 -42 dB (7.9 mV) 以 1V 于 1 Pa
输出阻抗 200 欧姆
最大承受声压 142 dB 声压, 1 kHz 于
1% T.H.D.
动态范围 (典型) 112 dB, 1 kHz
于最高声压
讯噪比 64 dB, 1 kHz 于 1Pa
幻象供电 直流 11-52V DC, 耗电 2 mA 典型
重量 63
克
外形尺寸 28.0 mm - 直径,
69.0 mm - 长
输出连接器 内置式3针卡农公头
附属品 1
对防震绝缘胶
Product specificaties
| Merk: | Audio-Technica |
| Categorie: | Telefoon |
| Model: | ES945 |
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