20Hz-18kHz HPF 48V 50 Ohm 80Hz Roll off
At 21.22â long, Audio-Technicaâs 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.
Overall length of 21.22â 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
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