Audio Technica BP4071L (Line + Gradient Condenser Microphone)

SKU: 13342 Categories: Professional, Audio Technica, 有線咪 Tags: broadcast, condenser, directional, DSLR, dynamic, high-pass filter, microphone, microphones, phantom, phone, power, screen, shotgun, signal, sound, stand, stands, tube, xlr, 單反, 拍攝收音

Description

Overall length of 539mm with an extremely narrow, highly directional pickup pattern
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
Transformerless design for improved pickup of transients
Rugged housing made of lightweight structural-grade aluminum alloy
Interference tube design for narrow acceptance angle
Switchable 80 Hz high-pass filter & 10 dB pad

At 539mm long, Audio-Technica’s new BP4071L is among the longest shotgun microphones on the market today. Originally developed at the request of broadcast professionals, this microphone boasts an extremely narrow polar pattern, excellent rejection from the sides and rear of the microphone, along with crisp, intelligible audio reproduction. It offers switchable low-frequency roll-off and a 10 dB pad, and comes generously equipped with a stand clamp, windscreen, and case.

BP4071L Specifications

Element	Externally polarized (DC bias) condenser
Polar Pattern	Line + gradient
Frequency Response	20~18,000Hz
Low Frequency Roll-Off	80Hz,12dB/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
Switch	Flat, roll-off; 10 dB pad (nominal)
Weight	175g
Dimensions	21mm X 539mm (Diameter X Long)
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

全長達539mm的極窄角度收音，更高的收音指向性
專為廣播、影視製作和電影拍攝的音訊收音而設計
直接耦合式平衡輸出，高收音靈敏度而不受風聲等雜音影響
無變壓器的輸出設計，可提供寬程的清晰收音
特殊共鳴管設計，以更窄角度收音
堅固的外殼結構，以輕量鋁合金構造
設有 80Hz 高通濾波和 10dB 衰減開關

以539mm的長度，BP4071L是現時市場上最長的超指向性咪高峰，是專為廣播、影視製作和電影拍攝的音訊收音而開發，可提供極窄角度的收音而能提高收音靈敏度的非常清晰收音。

BP4071L 産品規格

元件	直流偏壓電容式
指向性	超窄指向性
頻率響應	20~18,000Hz
高通濾波	80Hz,12dB/octave
開通靈敏度	-29 dB (35.5 mV) 以 1V 於 1 Pa
阻抗	50 歐姆
最大輸入聲壓級	141 dB 聲壓, 1 kHz 於 1% T.H.D.; 151 dB 聲壓於 10dB 衰減
雜訊	13 dB 聲壓
動態範圍 (一般)	128 dB, 1 kHz 於最高聲壓
訊噪比	81 dB, 1 kHz 於 1 Pa
幻象供電	直流 48V, 耗電 4.6mA 典型
開關	平直 / 高通濾波；10dB 衰減
重量	175g
尺寸	21mm X 539mm (直徑 X 長度)
插頭	內置 XLRM-3針卡農公頭
隨機附件	AT8405a ⅝”-27接頭轉軸式支架； AT8147海棉防風罩； ⅝”-27至⅜”-16轉接頭；圓型環2個；保護袋