Audio-Technica BP4071L Handleiding
Audio-Technica
Microfoon
BP4071L
Lees hieronder de 📖 handleiding in het Nederlandse voor Audio-Technica BP4071L (2 pagina's) in de categorie Microfoon. Deze handleiding was nuttig voor 27 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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LINE + GRADIENT CONDENSER MICROPHONE
- Overall length of 539mm with an extremely narrow, highly directional
pickup pattern
- 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
- Transformerless design for improved pickup of transients
- Rugged housing made of lightweight structural-grade aluminum
alloy
- Interference tube design for narrow acceptance angle
- Transformerless design for improved pickup of transients
- Switchable 80 Hz high-pass lter & 10 dB pad
The BP4071L 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 microphone’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.
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 flat
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 trafc,
air-handling systems, etc.), room reverberation and mechanically-
coupled vibrations.
The BP4071L is also equipped with a switchable 10 dB pad that
lowers the microphone's sensitivity, thus providing higher SPL
capability for flexible use for a wide range of speakers/performers
and system congurations.
The microphone is RoHS compliant–free from all substances
specied 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-L0149-08-E
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
Response in dB
same as 1 kHz
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Externally polarized (DC bias)
capacitor
POLAR PATTERN Line + gradient
FREQUENCY RESPONSE 20-18,000 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) 175 g
DIMENSIONS 539.0 mm long,
21.0 mm diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8405a stand clamp for ⅝"-27
threaded stands;
AT8147 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
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-L0149-08-C
超指向性电容话筒
- 全长达53 9 mm 的极窄角度收音，更高的收音指向性。
- 专为广播、影视制作和电影拍摄的音频收音而设计。
- 直接 耦 合 式平衡输出，高收音灵敏 度 而 不受风声等 杂
音影响。
- 无变压器的输出设计，可提 供宽程的清晰收音。
- 特殊共鸣管设计，以更窄角度收音。
- 无变压器的输出设计，可提 供宽程的清晰收音。
- 设有8 0 H z 高通滤波和10dB 衰减开关。
BP40 71L需要使用4 8V幻象供电工作，可使 用专业调音
台上的幻象电源，也可以使 用鐵三角的AT 8 8 01单通 道
或AT850 6 四通道幻象电源供电器作独立供电。
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。
为濶免出现相位相互抵消而失真的情况，所有话 筒连接
时，接线必需以1-1，
2-2，
3 - 3 型式把针脚连接。
内置高 通滤 波电 路，可 轻 易由平直的 频率 响应 ，开启为
于 8 0 Hz 以下衰减的收音效果，应用高通滤 波器可 减
低话筒在近 距离讲话 收音时的喷气声，并可 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。
BP4 0 71L话同并有10 d B衰减 开关，在高声压环境收音
时，减低话筒的灵敏度，避免破声的失真 现象出现。
话筒符 合 R o H S 规 格，在构造 上不含有欧盟禁用的危害
性物质。
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。
与
1 kHz 曲线相同
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 20-18,000 Hz
高通滤波 80 Hz, 12 dB/octave
开通灵敏度 -29 dB (35.5 mV) 以 1V 于 1 Pa
输出阻抗 50 欧姆
最大承受声压 141 dB 声压, 1 kHz 于 1% T.H.D.
151 dB 声压 于 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 于 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 175 g
外形尺寸 539.0 mm 长, 21.0 mm 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；
AT8147海棉防风罩；
⅝"-27至⅜"-16转接头；
圆型环2个；
保护袋
高通滤波
Product specificaties
| Merk: | Audio-Technica |
| Categorie: | Microfoon |
| Model: | BP4071L |
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