Audio-Technica AT4021 - End-Address Cardioid Condenser Microphone

The Audio-Technica AT4021 is a small-diaphragm, end-address cardioid condenser microphone from the 40 Series for professional recording, broadcast and sound reinforcement. Its low-mass diaphragm improves transient response and bandwidth, making it well suited to acoustic guitar, overheads, cymbals and other detailed sources.

Low self-noise, an integral 80 Hz high-pass filter and a 10 dB pad, plus a stand clamp, windscreen and carrying case, round out the package.

Key Features:

• Small-diaphragm end-address cardioid condenser
• Low-mass diaphragm for improved transient response and bandwidth
• Low 14 dB SPL self-noise, 132 dB dynamic range
• Handles 146 dB SPL (156 dB SPL with pad)
• Switchable 80 Hz high-pass filter and 10 dB pad
• Cardioid pattern for isolation and feedback control
• Includes stand clamp, windscreen and carrying case

Audio-Technica AT4021 — End-Address Cardioid Condenser Microphone

• Element: Fixed-charge back plate, permanently polarized condenser
• Polar Pattern: Cardioid
• Frequency Response: 20 – 20,000 Hz
• Low Frequency Roll-Off: 80 Hz, 18 dB/octave
• Open Circuit Sensitivity: –34 dB (19.9 mV) re 1V at 1 Pa
• Impedance: 250 ohms
• Maximum Input Sound Level: 146 dB SPL, 1 kHz at 1% T.H.D.; 156 dB SPL with 10 dB pad (nominal)
• Noise: 14 dB SPL
• Dynamic Range: 132 dB, 1 kHz at Max SPL
• Signal-to-Noise Ratio: 80 dB, 1 kHz at 1 Pa
• Phantom Power Requirements: 48V DC, 3.0 mA typical
• Switches: Flat, roll-off; 10 dB pad (nominal)
• Output Connector: Integral 3-pin XLRM-type
• Weight: 119 g (4.2 oz)
• Dimensions: 144.0 mm (5.67″) long, 21.0 mm (0.83″) diameter
• MPN: AT4021  ·  UPC: 4961310103002

- AT4021 microphone
- AT8405a stand clamp for 5/8"-27 threaded stands
- AT8159 windscreen
- Protective carrying case