Audio-Technica BP4071L 21in Line Gradient Shotgun Broadcast Production Microphone
At 21.22 long, Audio-Technicas 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.
Key Features
- Overall length of 21.22 with an extremely narrow, highly directional pickup pattern
- Ideal for use in broadcasting, film/TV production, and theater sound reinforcement
- 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
- RoHS-compliant free from all substances specified in the EU directive on the reduction of hazardous substances (RoHS)
Technical Specs
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 (nominal)
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, 4.8 mA typical
SWITCHES
Flat, roll-off; 10 dB pad (nominal)
WEIGHT
175 g (6.2 oz)
DIMENSIONS
539.0 mm (21.22″) long,
21.0 mm (0.83″) maximum body diameter
OUTPUT CONNECTOR
Integral 3-pin XLRM-type
ACCESSORIES FURNISHED
AT8405a stand clamp for 5/8″-27 threaded stands; 5/8″-27 to 3/8″-16 threaded adapter; AT8147 windscreen; two O-Rings; protective carrying case
AUDIO-TECHNICA CASE STYLE
SG5
