Audio-Technica U853RW Manual

Audio-Technica Mikrofon U853RW

Læs gratis den danske manual til Audio-Technica U853RW (2 sider) i kategorien Mikrofon. Denne vejledning er vurderet som hjælpsom af 30 personer og har en gennemsnitlig bedømmelse på 4.0 stjerner ud af 15.5 anmeldelser. Har du et spørgsmål om Audio-Technica U853RW, eller vil du spørge andre brugere om produktet?

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Side 1/2
CARDIOID CONDENSER
HANGING MICROPHONE
- Designed for suspension over choirs, in-
strumental groups and the theater stages.
- Superior off-axis rejection for maximum
gain before feedback.
- UniGuard™ RFI-shielding technology offers
outstanding rejection of radio frequency
interference (RFI).
- UniSteep® lter provides a steep low-
frequency attenuation to improve sound
pickup without affecting voice quality.
- Accepts interchangeable elements to per-
mit angle of acceptance 90° to 360°.
- Low-prole design with low-reectance n-
ish for minimum visibility.
- Available in two colors: black (U853A / U853R) and white (U853AW /
U853RW).
The U853A 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.
Alkaline batteries are recommended for longest life. Remove the battery dur-
ing long-term storage.
The U853R requires 11V to 52V phantom power operation only.
A uniform 120° angle of acceptance provides well-balanced audio pickup.
The microphone should be located forward of the front-most source, above
the rear-most source, and "aimed" between them (Fig.1). Increasing the
height of the mic above the sources will tend to equalize sound levels be-
tween them, but may also increase from the mic to the rear-most pickup
should be no more than twice the distance to the front source, to maintain
front-to-rear balance (Fig.1).
Width of pickup is approximately three times the distance to the closest per-
former. If additional mics are needed for wide sources, they should be posi-
tioned apart laterally at least three times the distance to front source, to avoid
phase cancellation (Fig.2).
To orient the microphone in the proper direction, twist the housing slightly in
its wire holder. (Clockwise rotation moves the microphone to the right; coun-
terclockwise rotation moves it to the left.)
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.
At integral 80 Hz high-pass UniSteep ® lter provides easy switching from a
at frequency response to a low-end roll-off. The roll-off position reduces the
pickup of low-frequency ambient noise (such as trafc, air-handling systems,
etc.), room reverberation and mechanically coupled vibrations.
Avoid leaving the microphone in the open sun or in areas where tempera-
tures 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°
Polar Pattern Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Roll-off
Response in dB
FORM No. ATGC-L0010-05-E
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Fixed-charge back plate
permanently polarized condenser
POLAR PATTERN Cardioid
FREQUENCY RESPONSE 30-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY (re 1V at 1 Pa)
U853A (Phantom / Battery) -42 dB (7.9 mV) / -43 dB (7.0 mV)
U853R -39 dB (11.2 mV)
IMPEDANCE
U853A (Phantom / Battery) 200 ohms / 270 ohms
U853R 250 ohms
MAXIMUM INPUT SOUND LEVEL (1 kHz at 1% T.H.D.)
U853A (Phantom / Battery) 133 dB / 123 dB SPL
U853R 139 dB SPL
DYNAMIC RANGE (typical) (1 kHz at Max SPL)
U853A (Phantom / Battery) 109 dB / 99 dB
U853R 115 dB
SIGNAL-TO-NOISE RATIO
U853A 70 dB, 1 kHz at 1Pa
U853R 70 dB, 1 kHz at 1Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
SWITCH
U853A Off, on-at, on-roll-off
U853R Flat, roll-off
BATTERY TYPE (U853A) 1.5V AA/UM3
BATTERY CURRENT / LIFE (U853A) 0.4 mA / 1200 hrs typical (alkaline)
WEIGHT
MICROPHONE (U853A / U853R) 14 g / 14 g
POWER MODULE (U853A / U853R) 139 g / 81 g
DIMENSIONS
MICROPHONE 34 mm - long, 12.2 mm - diameter
POWER MODULE (U853A) 84 mm(H) x 63 mm(W) x 22 mm(D)
(U853R) 92.9 mm -long, 18.9 mm diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type (power module)
CABLE 7.6m long (permanently attached to mi-
crophone), 3.2mm diameter, 2-conductor
shielded cable with TA3F-type connector.
OPTIONAL INTERCHANGEABLE ELE-
MENTS
UE-C cardioid (120°)
UE-H hypercardioid (100°)
UE-O omnidirectional (360°)
UE-UL UniLine™ (90°)
ACCESSORIES FURNISHED
U853A / U853R AT8153 two-stage foam windscreen;
AT8451 steel hanger
U853AW / U853RW AT8153(WH) two-stage foam windscreen;
AT8451(WH steel hanger;
Battery (U853AW)
OTHER Battery (U853A / U853AW),
AT8531 power module(U853A / U853AW),
AT8538 power module(U853R / U853RW),
AT8438 ⅝"-27 stand adapter.
3 TIMES
DISTANCE "X"
MIC A MIC B
120° 120°
120°
ANGLE OF
ACCEPTANCE
DISTANCE "X"
LESS THAN 2 TIMES "X"
Fig.2Fig.1
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
高通滤波
响应电平 (dB)
FORM No. ATGC-L0010-05-C
Machida • Tokyo • Japan
心形指向性悬挂式电容话筒
- 设计于悬挂式安装，提供高质量收
音给合唱、乐团、及舞台话剧等高
要求的收音应用。
- 半球形单一指向性，可抑制后方杂
音而清楚地在前方收音。
- UniGuard™ - 射频干扰(RFI)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。
- 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。
- 标准为心形指向配置，但可选配适
合的收音头更换配合实际的应用，
收音角度可由90°至360°。
- 不显眼的设计，并涂上低反光的颜色涂料 。
- 设有两种颜色选择:黑色U853A / U853R ，及白色U853AW /
U853RW。
U853A话筒使用 直流11V 至52V 幻象供电或一枚1.5V AA 3号电池供
电操作，当使用幻象供电时，可不用安装电池。
建议使用硷性电池工作，当长期不使用电池时，请把电池取出。
U853R话筒只作 直流 11V 至52V 幻象供电操作。
标准配置为心形指向，收音角度可为 120 °。话筒安装时，应先决
定最前及最后的声源位置，而话筒应瞄准两者之间的中央位置(图
1)，然后提升话筒高度，使前后声源趋向平衡；但却可能会增加
背景噪音声及回声，所以调校话筒时，应避免最后的声源距离长
于最前声源的两倍(图 )，以维持前后平衡。1
而与其他话筒的宽度距离，应以最前声源的大致三倍距离为最佳设定
(图 )，这样做既可覆盖每点声源，又可避免话筒的相位互相抵消2
情况出现。
话筒附有一条悬挂弹簧，可将收音头固定调校到任何正确位置。(把
收音顺时针转动，话筒会向右转；反时针转动时，话筒会左转)
低阻抗的平衡音频输出，话筒音频信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。
内置高质量高通滤波电路，可由平直的频率响应，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。
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
技术指标
收音头 固定充电背板，静电型电容式
指向特性 心形单指向性
频率响应 30-20,000 Hz
高通滤波 80 Hz, 18 dB/octave
开通灵敏度 (以 1V 于 1 Pa)
U853A(幻象供电/电池) -42 dB (7.9 mV) / -43 dB (7.0 mV)
U853R -39 dB (11.2 mV)
输出阻抗
U853A (幻象供电/电池) 200 欧姆 / 270 欧姆
U853R 250 欧姆
最大承受声压 (1 kHz 于 1% T.H.D.)
U853A (幻象供电/电池) 133 dB / 123 dB 声压
U853R 139 dB 声压
动态范围 (典型) (1 kHz 于最高声压 )
U853A (幻象供电/电池) 109 dB / 99 dB
U853R 115 dB
讯噪比 U853A 70 dB, 1 kHz 于 1Pa
U853R 70 dB, 1 kHz 于 1Pa
幻象供电 直流
11-52V，耗电 2 mA 典型
开关 U853A 关闭，平直，高通滤波
U853R 平直，高通滤波
电池种类 (U853A) 1.5V AA 3号电池
电池耗电量
/ 电池寿命 (U853A) 0.4 mA / 1200
小时 ( 典型硷性电池)
重量
话筒 (U853A / U853R) 14 克 / 14 克
供电模组 (U853A / U853R) 139 克 / 81 克
外形尺寸 话筒 34 mm - 长, 12.2 mm - 最大值径
供电模组
(U853A) 84 mm(高) x 63 mm(寬) x 22 mm(厚)
(U853R) 92.9 mm -
长, 18.9 mm - 最大值径
输出连接器 内置式
3针卡农公头 (供電模組)
连接线 7.6m 长(固定装置于收音头中)，3.2 mm
直径连接线，2
蕊线连屏蔽电线，以 TA3F
插头连接
可转换收音头 UE-C 心形指向 (120°)
UE-H 超心形指向 (100°)
UE-O 全方向性 (360°)
UE-UL UniLine™
超指向性 (90°)
附属品 U853A / U853R AT8153 双层海棉防风罩；
AT8451 悬挂弹簧。
U853AW / U853RW AT8153(WH)
白色双层海棉防风罩；
AT8451(WH) 白色悬挂弹簧。
其他 AT8531 双供电模组(U853A / U853AW);
AT8538 供电模组(U853R / U853RW);
AT8438 ⅝"-27 话筒架转接环;
电池(U853A / U853AW)。
约
3倍距离:
"3X"
话筒 A 话筒 B
120° 120°
120°
一般收音角度
与收音头的距离
"X"
最远距离少于 2倍:"2X"
图2图1

Produkt Specifikationer

Mærke: Audio-Technica
Kategori: Mikrofon
Model: U853RW

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