Audio-Technica BP28L Large-Diaphragm Line Gradient Microphone, 22 Inch

The Audio-Technica BP28L is a state-of-the-art, large-diaphragm line gradient microphone that stands out in its class. Designed with a 28 mm diameter shotgun body, this microphone delivers exceptional low-noise performance, making it an ideal choice for professionals in broadcast, film, television, outdoor recording, and theater applications. Measuring a notable 22.4 inches in length, the BP28L offers an incredibly tight pickup pattern along with a patented acoustic port design to maintain its directionality throughout the entire frequency range. The microphone’s high sensitivity, wide dynamic range, and high-SPL capability further establish its suitability for demanding environments, such as long-distance miking for film or theater productions.In addition to its impressive technical capabilities, the BP28L is engineered with a transformer-coupled output that provides a smooth sonic character. Its extremely low noise floor of just 3 dB ensures that even the most subtle sounds are captured with remarkable clarity. Furthermore, the microphone includes a switchable 80 Hz high-pass filter and 10 dB pad, offering users greater control over their recordings. Constructed from lightweight, structural-grade aluminum alloy, the BP28L is both durable and portable, making it a reliable choice for various recording situations.Whether you’re working on a high-profile film set or need a versatile microphone for outdoor recordings, the Audio-Technica BP28L meets and exceeds expectations. Its robust construction, coupled with an array of advanced features, ensures top-notch audio performance in any environment.

Key Features

• Designed for use in broadcasting, film/TV production, and theater sound reinforcement applications
• Overall length of 22.4 inches with an extremely narrow, highly directional pickup pattern
• Custom 28 mm diameter shotgun body houses a large-diaphragm condenser element for exceptional low-noise performance
• Transformer-coupled output provides smooth sonic character
• Extremely high sensitivity (-23 dBV), wide dynamic range (135 dB), and high-SPL capability (138 dB)
• Flat frequency response for accurate sound reproduction
• Rugged housing made of lightweight, structural-grade aluminum alloy
• Switchable 80 Hz high-pass filter and 10 dB pad
• Patented acoustic port design maintains directionality across the entire frequency range

Specifications

• Microphones Element: Fixed-charge back plate, permanently polarized condenser
• Polar Pattern: Line + gradient
• Frequency Response: 20-20,000 Hz
• Low Frequency Roll Off: 80 Hz, 18 dB/octave
• Open Circuit Sensitivity: -23 dB (70.8 mV) (0 dB=1 V/Pa, 1 kHz)
• Impedance: 250 ohms
• Maximum Input Sound Level: 138 dB SPL (1 kHz at 1 percent THD), 148 dB SPL (when pad is on)
• Noise: 3 dB SPL (A-weighted)
• Dynamic Range: 135 dB (1 kHz at Max SPL)
• Signal-to-Noise Ratio: 91 dB (1 kHz at 1 Pa, A-weighted)
• Phantom Power Requirements: 11-52 V DC, 3.4 mA
• Switches: Low cut: on/off, Pad: on/off
• Weight: 313 g (11 oz)
• Dimensions: 567.9 mm (22.4 inches) long, 28.0 mm (1.1 inches) maximum body diameter
• Output Connector: Integral 3-pin XLR-M type
• Accessories Included: AT8169 windscreen, AT8470 stand clamp for 5/8-inch-27 threaded stands, 5/8-inch-27 to 3/8-inch-16 threaded adapter, carrying case
• Audio-Technica Case Style: SG7

Package Contents

• AT8169 windscreen
• AT8470 stand clamp for 5/8-inch-27 threaded stands
• 5/8-inch-27 to 3/8-inch-16 threaded adapter
• Carrying case