Audio-Technica AT846/O Manual

Audio-Technica Mikrofon AT846/O

Læs gratis den danske manual til Audio-Technica AT846/O (2 sider) i kategorien Mikrofon. Denne vejledning er vurderet som hjælpsom af 36 personer og har en gennemsnitlig bedømmelse på 5.0 stjerner ud af 18.5 anmeldelser. Har du et spørgsmål om Audio-Technica AT846/O, eller vil du spørge andre brugere om produktet?

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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 ua r d ® R F I - sh 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 r e jecti o n o f r adio

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 reectance 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 131 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

Produkt Specifikationer

Mærke:	Audio-Technica
Kategori:	Mikrofon
Model:	AT846/O

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