Audio-Technica BP4027 Bedienungsanleitung

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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 BP4027 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 BP4027 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 BP4027 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 OutputConnector 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 OutputConnector 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 BP4027 requires 11V to 52V DC phantom power on Pins 2 and 3

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-L0114-07-E

Machida • Tokyo • Japan

SPECIFICATIONS

ELEMENT Fixed-charge back plate

permanently polarized condenser

POLAR PATTERNLine-cardioid and gure-of-eight

FREQUENCY RESPONSE30-20,000 Hz

LOW FREQUENCY ROLL-OFF80 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 REQUIRMENTS11 - 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)142 g

DIMENSIONS 380.0 mm long,

21.0 mm diameter

OUTPUT CONNECTORIntegral XLR5M-type

CABLE Dual 0.61 m shielded,

two-conductor, terminated in

two XLR3M-type connector

ACCESSORIES FURNISHEDAT8405a stand clamp for ⅝"-27

threaded stands;

AT8135 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

Produktspezifikationen