Audio-Technica BP4073 Bruksanvisning

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LINE + GRADIENT CONDENSER MICROPHONE
- Designed for use in broadcasting, lm/TV production, and
theater sound reinforcement applications
- Direct-coupled, balanced output ensures a clean signal even in
high-output conditions
- Innovative acoustic design provides same directivity as mics up
to 50% longer
- Switchable 80 Hz high-pass lter & 10 dB pad
- Rugged housing made of lightweight structural-grade aluminum
alloy
The BP4073 is intended for use in professional applications
where remote power is available. It requires 48V DC phantom
power, which may be provided by a mixer or console, or by a
separate, in-line source such as the Audio-Technica AT8801
single-channel or AT8506 four-channel phantom power supplies.
Output from the microphones 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 hi-pass 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 trafc, air-handling systems, etc.), room reverberation
and mechanically-coupled vibrations.
The BP4073 is also equipped with a switchable 10 dB pad that
lowers the microphone's sensitivity, thus providing higher SPL
capability for exible use for a wide range of speakers/performers
and system congurations.
The microphone is RoHS compliantfree from all substances
specied 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-L0150-08-E
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
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 Externally polarized (DC bias)
capacitor
POLAR PATTERN Line + gradient
FREQUENCY RESPONSE 20-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY -29 dB (35.5 mV) re 1V at 1 Pa
IMPEDANCE 50 ohms
MAXIMUM INPUT SOUND LEVEL 141 dB SPL, 1 kHz at 1% T.H.D.;
151 dB SPL, with 10 dB pad
NOISE 13 dB SPL
DYNAMIC RANGE (typical) 128 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 81 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIRMENTS 48V DC, 4.6 mA typical
SWITCHES Flat, roll-off; 10 dB pad (nominal)
WEIGHT (less cable and accessories) 99 g
DIMENSIONS 233.0 mm long,
21.0 mm diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8405a stand clamp for ⅝"-27
threaded stands;
AT8144 windscreen;
two o-rings;
⅝"-27 to ⅜"-16 threaded adapter;
protective carrying case
Roll-off
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
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-L0150-08-C
- 专为广影 视
- 耦 合式平而 不风 声
- 新的声学设计相同窄角度的指向性能下供多
50%
- 80 Hz 高通滤波和10d B关。
- 坚固的外壳结构量铝合金构造。
B P4 0 7 3使4 8V 可使 用业 调 音
使 AT 8 8 01单 通 道
AT 850 6独 立供
阻 抗平 衡 音话 筒号 最
23 出,1线()接。
输出相将以正相位电平设于 2脚上
出现
时,线1-1
2-2
3 - 3 接。
置 高通 滤 波电 路可 轻 易平 直的 频 率响 应
8 0 Hz
话 筒近 距 离讲话 收低 收
境中低频噪声( 引擎声,空调的风)
间中声及的震声。
B P4 0 7 3 并 有1 0d B衰 减 开 关 ,高 声压 环 境 收
话 筒的灵真 现
话 筒 R oH S 造 上欧 盟
质。
把话筒暴露于高温可能导输出平逐渐及永久性减
43° C 湿
1 kHz 曲线相
Machida Tokyo Japan
技术指标
收音头 直流偏压电容式
指向特性 超指向性
频率响应 20-20,000 Hz
高通滤波 80 Hz, 12 dB/octave
开通灵敏度 -29 dB (35.5 mV) 1V 1 Pa
输出阻抗 50 欧姆
最大承受声压 141 dB 声压, 1 kHz 1% T.H.D.
151 dB 声压 10dB 衰减
噪音 13 dB 声压
动态范围 (典型 ) 128 dB, 1 kHz
于最高声压
讯噪比 81 dB, 1 kHz 1 Pa
幻像供电 直流 48V, 耗电 4.6mA 典型
开关 平直 / 高通滤波
; 10dB 衰减
重量 99 g
外形尺寸 233.0 mm , 21. mm 0直径
输出连接器 内置 XLRM-3针卡农公头
附属品 AT8405a ⅝"-27接头转轴式支架;
AT8144海棉防风罩;
⅝"-27"-16转接头;
圆型环2个;
保护袋
高通滤波

Produktspecifikationer

Varumärke: Audio-Technica
Kategori: mikrofon
Modell: BP4073

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