BP4073 - Mikrofon Audio-Technica - Kostenlose Bedienungsanleitung
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| Produkttyp | Mikrofon (Shotgun-Mikrofon) |
| Richtcharakteristik | Stark richtungsabhängig (Lobe) |
| Frequenzbereich | 20 – 20.000 Hz |
| Impedanz | 250 Ω |
| Ausgang | XLR (symmetrisch) |
| Phantomspeisung | 11 – 52 V DC |
| Maximaler Schalldruckpegel | 140 dB SPL |
| Rauschabstand | 74 dB |
| Gehäusematerial | Metall |
| Abmessungen (Länge × Durchmesser) | 280 mm × 19 mm |
| Gewicht | 170 g |
| Anwendungsbereich | Film, Rundfunk, Videoproduktion |
| Reinigung | Mit einem weichen, trockenen Tuch abwischen |
| Sicherheitshinweis | Nicht in der Nähe von Wasser verwenden |
| Reparatur | Nur durch autorisiertes Servicepersonal |
| Lieferumfang | Mikrofon, Windschutz, Transportkoffer |
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BEDIENUNGSANLEITUNG BP4073 Audio-Technica
LINE + GRADIENT CONDENSER MICROPHONE

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Black studio microphone on a stand, no visible text or symbols- Designed for use in broadcasting, film/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 filter & 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 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 traffic, 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 flexible use for a wide range of speakers/performers and system configurations.
The microphone is RoHS compliant-free from all substances specified 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.
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 REQUIREMENTS | 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 58 "-27 threaded stands; AT8144 windscreen; two o-rings; 58 "-27 to 38 "-16 threaded adapter; protective carrying case |

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| Angle | Frequency | |-------|---------| | 0° | 200 Hz | | 30° | 1 kHz | | 60° | 5 kHz | | 90° | 8 kHz | | 120° | 200 Hz | | 150° | 1 kHz | | 180° | 5 kHz | | 210° | 8 kHz | | 240° | 200 Hz | | 270° | 1 kHz | | 300° | 5 kHz | | 330° | 8 kHz |
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| Frequency in Hertz | Response in dB | | ------------------ | -------------- | | 20k | 10 |
CE

audio-technica®
Machida • Tokyo • Japan
超指向性电容话筒

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Black studio microphone on a stand, no visible text or symbols- 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。
- 创新的声学设计,相同窄角度的超指向性能下,提供多50%长度的收音效果。
- 设有80Hz高通滤波和10dB衰减开关。
- 坚固的外壳结构,以轻量铝合金构造
BP4073需要使用48V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AT8801单通道或AT8506四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。
为澗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 80 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 (如外间汽车引擎声,空调系统的风声等),房间中的回声及机械性的震动声。
BP4073话同并有10dB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 RoHS 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。
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) 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 | 99 g |
| 外形尺寸 | 233.0 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 58 "-27接头转轴式支架;AT8144海棉防风罩; 58 "-27至 38 "-16转接头;圆型环2个;保护袋 |

radar
| Frequency (Hz) | Peak Frequency (dB) | | -------------- | ------------------- | | 200 | 100 | | 1.5 | 120 | | 1.0 | 140 | | 0.5 | 160 | | 0 | 180 | | 0.5 | 200 | | 1.0 | 180 | | 1.5 | 160 | | 2.0 | 140 | | 2.5 | 120 | | 3.0 | 100 | | 3.5 | 80 | | 4.0 | 60 | | 4.5 | 40 | | 5.0 | 20 | | 5.5 | 10 | | 6.0 | 5 | | 6.5 | 2 | | 7.0 | 1 | | 7.5 | 0.5 | | 8.0 | 0.2 | | 8.5 | 0.1 | | 9.0 | 0.05 | | 9.5 | 0.02 | | 10.0 | 0.01 | | 10.5 | 0.005 | | 11.0 | 0.002 | | 11.5 | 0.001 | | 12.0 | 0.0005 | | 12.5 | 0.0002 | | 13.0 | 0.0001 | | 13.5 | 0.00005 | | 14.0 | 0.00002 | | 14.5 | 0.00001 | | 15.0 | 0.000005 | | 15.5 | 0.000002 | | 16.0 | 0.000001 | | 16.5 | 0.0000005 | | 17.0 | 0.0000002 | | 17.5 | 0.0000001 | | 18.0 | 0.00000005 | | 18.5 | 0.00000002 | | 19.0 | 0.00000001 | | 19.5 | 0.000000005 | | 20.0 | 0.000000002 | | 20.5 | 0.000000001 | | 21.0 | 0.0000000005 | | 21.5 | 0.0000000002 | | 22.0 | 0.0000000001 | | 22.5 | 0.00000000005 | | 23.0 | 0.00000000002 | | 23.5 | 0.00000000001 | | 24.0 | 0.000000000005 | | 24.5 | 0.3333333333333333 | | 25.5 | 3666666666666666 | | 26.5 | 4999999999999999 | | 27.5 | 6333333333333333 | | 28.5 | 7666666666666666 | | 29.5 | 8999999999999999 | | 34.5 | 1444444444444444 | | Note: The frequency values are estimated based on the code provided in the code format.
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| 频率 (赫兹) | 电平 (dB) | 高速波纹 (dB) | | ----------- | --------- | ------------- | | 20k10k5k2k1k50020 | ~10 | ~10 |

audio-technica.
鐵三角。
Machida • Tokyo • Japan