Audio-Technica AT846/O Handleiding
Audio-Technica
Microfoon
AT846/O
Lees hieronder de 📖 handleiding in het Nederlandse voor Audio-Technica AT846/O (2 pagina's) in de categorie Microfoon. Deze handleiding was nuttig voor 42 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).
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-L0183-11-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized condenser
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 54-20,000 Hz
OPEN CIRCUIT SENSITIVITY -33 dB (22.4 mV) re 1V at 1 Pa
IMPEDANCE 100 ohms
MAXIMUM INPUT SOUND LEVEL 131 dB SPL, 1 kHz at 1% T.H.D.
SIGNAL-TO-NOISE RATIO >69 dB, 1 kHz at 1Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
WEIGHT 48 g
DIMENSIONS 30.0 mm - diameter,
64.6 mm - length
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED One pair isolators
The AT 8 4 6 /O is a wide- r a n ge
condenser microphone with an
omn i d irec tio n a l po lar p a tte r n .
It is de s i g ned fo r u n o b tr u s i v e
table, ceiling or panel-mounted
applications for high-quality sound
reinforcement, teleconferencing,
professional recording, television
a n d o t h e r d e m a n d i n g s o u n d
pickup applications.
T h e AT 8 4 6 / O i s e q u i p p e d
w i t h U n iG uar d ® R F I - s h i e l d in g
t e c h n o l o g y , w h i c h o f f e r s
out s tand i n g re j ec ti o n o f ra d io
frequency interference (RFI). The
microphone is RoHS compliant –
free from all substances specified
in the EU directive on hazardous
substances.
The microphone should be placed on a at, unobstructed mounting
surface. The small diameter 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-reflectance black finish. 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 AT846/O in a ceiling or table top without the isolators,
a 20.5 mm diameter hole is required. To mount the AT846/O 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 54 Hz to 20,000 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 131
dB. Nominal open circuit output voltage shall be 22.4 mV at 1 kHz, 1
Pascal. Output shall be low impedance balanced (100 ohms) from an
integral 3-pin XLRM-type connector.
The microphone shall have a maximum diameter of 30.0 mm and an
overall length of 64.6 mm. Weight shall be 48 grams. The microphone
shall be housed in an all-metal case with a two-layer steel mesh
grille. Finish shall be low reectance black. 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-L0183-11-C
Machida • Tokyo • Japan
全方向指向性电容式平面话筒
AT846 / O 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 。
AT 8 4 6 / O 配备有 U n i G 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 R o 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 11 V 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。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5 4 H z 至2 0,0 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(RFI ) 的 能力 ，可提供 达 1 31 dB的声压 输
入电平，一般开路输出电压为2 2.4 m V 。 输出 接线 端为 标 准
的 X L RM - 3 卡农公头，可连接到任何以 X L RF -3 设计的
会议 话 筒上。
话筒 最 大直径为3 0 .0 mm 及全长为 64.6mm，重量 为48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 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)。
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 54-20,000 Hz
开通灵敏度 -33 dB (22.4 mV)
以 1V 于 1 Pa
输出阻抗 100 欧姆
最大承受声压 131 dB 声压, 1 kHz 于 1% T.H.D.
讯噪比 >69 dB, 1 kHz
于 1Pa
幻象供电 直流 11-52V DC, 耗电 2 mA 典型
重量 48
克
外形尺寸 30.0 mm - 直径,
64.6 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: | Microfoon |
| Model: | AT846/O |
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