Audio-Technica BP4029 Handleiding

Audio-Technica Microfoon BP4029

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STEREO SHOTGUN MICROPHONE

- Designed for broadcasters, videographers and sound recordists.

- Compact, lightweight design is perfect for camera-mount use.

- Independent line-cardioid and gure-of-eight condenser elements.

- Switchable low-frequency roll-o.

- Switch selection of non-matrixed M-S mode and two internally-matrixed

left/right stereo modes.

MID-SIDE OPERATION: In M-S mode, the BP4029 provides independent

Mid and Side signals. This allows the width of the stereo image to be

adjusted in post production or in the eld with a matrix mixer.

MATRIXED STEREO: The BP4029 oers two internally-matrixed modes

which provide traditional “left-right” stereo without the need for external

mixers. To accommodate varying acoustic environments, the user may

select between a “wide” pattern (LR-W) with increased ambient pickup,

and a “narrow” pattern (LR-N) which oers more rejection and less

ambience. Output phase is “Pin 2 hot.”

For correct left-right stereo orientation, position the microphone so the

word “UP” is on top, with the switches on the bottom. In all modes,

locating the BP4029 nearer the sound source enhances the apparent

width of the stereo image, while decreasing room ambience. Moving

away from the sound source will result in a narrower stereo image and

more “room sound.”

M-S Output Connector Pin 1 Pin 2 Pin 3

Mid XLR3M-Gray Ground Mid + Mid –

XLR5M Mic Connector: Pin 1 Pin 2 Pin 3

Side XLR3M-Red Ground Side + Side –

XLR5M Mic Connector: Pin 1 Pin 4 Pin 5

Matrix Output Connector Pin 1 Pin 2 Pin 3

Left XLR3M-Gray Ground L + L –

XLR5M Mic Connector: Pin 1 Pin 2 Pin 3

Right XLR3M-Red Ground R + R –

XLR5M Mic Connector: Pin 1 Pin 4 Pin 5

The BP4029 requires 11V to 52V DC phantom power on both XLR3M

connectors. Wiring must be balanced throughout, and all mic cables in

the system must be wired consistently: Pin 1-to-Pin 1, etc. If connecting

to unbalanced inputs, good-quality balanced line transformers must be

used.

The microphone is RoHS compliant–free 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-L0113-07-E

Machida • Tokyo • Japan

SPECIFICATIONS

ELEMENT Fixed-charge back plate

permanently polarized condenser

POLAR PATTERN Line-cardioid and gure-of-eight

FREQUENCY RESPONSE 40-20,000 Hz

LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave

OPEN CIRCUIT SENSITIVITY

(Mid / Side / LR Stereo)

-30 dB (31.6 mV) re 1V at 1 Pa

-34 dB (19.9 mV) re 1V at 1 Pa

-36 dB (15.8 mV) re 1V at 1 Pa

IMPEDANCE 200 ohms

MAXIMUM INPUT SOUND LEVEL

(Mid / Side / LR Stereo)

123 dB / 127 dB / 126 dB SPL,

1 kHz at 1% T.H.D.

DYNAMIC RANGE (typical)

(Mid / Side / LR Stereo)

101 dB / 101 dB / 102 dB,

1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO

(Mid / Side / LR Stereo)

72 dB / 68 dB / 70 dB,

1 kHz at 1 Pa

PHANTOM POWER REQUIRMENTS 11 - 52V DC, 4 mA typical at 48V

SWITCHES M-S, LR Stereo-Wide (LR-W),

LR Stereo-Narrow (LR-N);

Flat, roll-o

WEIGHT (less cable and accessories) 103 g

DIMENSIONS 236.0 mm long,

21.0 mm diameter

OUTPUT CONNECTOR Integral XLR5M-type

CABLE Dual 0.61 m shielded,

two-conductor, terminated in

two XLR3M-type connector

ACCESSORIES FURNISHED AT8405a stand clamp for ⅝"-27

threaded stands;

AT8134 foam windscreen;

⅝"-27 to ⅜"-16

threaded adapter;

protective carrying case

Specications are subject to change without notice.

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

Mid

Polar Pattern

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

10 dB

20k10k5k2k1k50020010050

Frequency Response

Frequency in Hertz

LEGEND 12” or more on axis

Response in dB

Roll-o

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

Side

Polar Pattern

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

1 kHz

LR Stereo-Wide (LR-W)

Polar Pattern

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

1 kHz

LR Stereo-Narrow (LR-N)

Polar Pattern

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

立体声超指向性话筒

- 专为广播，影视拍摄和录音师而设计。

- 小型及轻重的结构，是用于摄像机挂件的理想配置。

- 内置独立的超指向性,和 8字形指向性收音头。

- 设有高通滤波开关，有效降低环境中低频噪声。

- 可选择非矩阵的M-S模式，或两种内置矩阵的左右立体声模式。

中声道/边声道操作：在M-S模式中，BP4029 话筒提供独立的中

声道和边声道信号，可在现场矩阵调音，或在后期制作时作灵活

广阔的立体声音像调制。

矩阵立体声操作： BP4029 话筒内置两种立体声矩阵设定，提供

传统的左右声道立体声信号输出，而不需特别配置矩阵调音器。

为配合不同的音像环境，话筒设有宽指向的立体声矩阵和窄指向

的立体声矩阵选择，提供广阔或细小音像环境。输出相位将以正

相位电平设于 2号针脚上。

为取得正确的左右立体声定位，需把话筒上的 "UP" 文字向上，而

开关向下。在所有模式中，应把 BP4029 接近音源，以减少回音

混响和提高立体声收音效果。远离音源时会收窄立体声音像和增

加“房间回声”混响。

中边声道输出连接头 1号针脚 2号针脚 3号针脚

中声道 XLR3M-灰色接地中声道 + 中声道 –

XLR5M

话筒连接头

: 1

号针脚

边声道 XLR3M-红色接地边声道 + 边声道 –

XLR5M

话筒连接头

: 1

号针脚

矩阵输出连接头 1号针脚 2号针脚 3号针脚

左声道 XLR3M-灰色接地左声道 + 左声道 –

XLR5M

话筒连接头

: 1

号针脚

右声道 XLR3M-红色接地右声道 + 右声道 –

XLR5M

话筒连接头

: 1

号针脚

BP4029 11V 52V应用于专业收音工作，需要提供至幻象供电于两

组输出端子上，可使用调音台上的幻象电源，也可以使用XLR3M

鐵三角的单通道或四通道幻象电源供电器作独立AT8801 AT8506

供电。

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。如连接到非平衡器材，必须配合高质量

的平衡转换变压器使用。

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。

FORM No. ATGC-L0113-07-C

Machida • Tokyo • Japan

技术指标

收音头固定充电背板，

静电型电容式

指向特性超指向性及8字形指向性

频率响应 40-20,000 Hz

高通滤波 80 Hz, 12 dB/octave

开通灵敏度(

中声道)

(边声道)

(左右立体声)

-30 dB (31.6 mV) /

-34 dB (19.9 mV) /

-36 dB (15.8 mV) 以 1V 于 1 Pa

输出阻抗 200 欧姆

最大承受声压

(中声道/边声道/左右立体声)

123 dB / 127 dB / 126 dB 声压,

1 kHz 于 1% T.H.D.

动态范围 (典型)

(中声道/边声道/左右立体声)

101 dB / 101 dB / 102 dB,

1 kHz 于最高声压

讯噪比

(中声道/边声道/左右立体声)

72 dB / 68 dB / 70 dB,

1 kHz 于 1 Pa

幻像供电直流 11 - 52V, 耗电 4mA 典型于 48V

开关 M-S (中/边声道

) / LR-W (立体声-宽)

/ LR-N (立体声-窄)；

高通滤波

重量 103 g

外形尺寸 236.0 mm 长, 21.0 mm 直径

输出连接器内置 XLRM-5针卡农公头

导线长度 0.61 m 长，双接头连接线，

2蕊线连屏蔽电线，双XLR3M插头

附属品 AT8405a ⅝"-27接头转轴式支架；

AT8134 海棉防风罩；

⅝"-27至⅜"-16转接头；

保护袋

有关的技术指标和资料，可能会作出修改而不另行通知。

指向持性 - 中声道

(Mid)

声压曲线1刻度

5 dB

频率

10 dB

20k10k5k2k1k50020010050

频率持性

频率 (

赫兹)

电平平直

响应电平 (dB)

高通滤波

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

1 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

1 kHz

指向持性 - 边声道

(Side)

声压曲线1刻度

5 dB

频率

指向持性 - 左右立体声 (宽)

声压曲线1刻度 5 dB

频率

指向持性 - 左右立体声 (窄)

声压曲线1刻度 5 dB

频率

Product specificaties

Merk:	Audio-Technica
Categorie:	Microfoon
Model:	BP4029
Kleur van het product:	Zwart
Snoerlengte:	0.61 m
Soort:	Microfoon voor podiumpresentaties
Connectiviteitstechnologie:	Bedraad
Duurzaamheidscertificaten:	RoHS
Opbergetui:	Ja
Aansluiting:	XLR-5
Naleving van duurzaamheid:	Ja
Aanbevolen geslacht:	Elk geslacht
Frequentie microfoon:	40 - 20000 Hz
Microphone input impedance:	200 Ohm
Aantal producten inbegrepen:	1 stuk(s)
Gewicht microfoon:	103 g
Afmetingen microfoon (DxH):	21 x 236 mm
laag-af filter:	80 Hz