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Audio Technica AT4081 Bidirectional Active Ribbon Microphone

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Delivering the warmth and natural sound of a classic ribbon microphone, Audio-Technica’s handcrafted AT4081 offers a robust build for long-lasting performance and higher output for maximum compatibility with microphone preamplifiers. With its low-profile stick design, this microphone is a natural for use on a wide range of instruments (horns, strings, drum overheads, orchestras and more) and guitar cabinets in recording studios and live-sound settings.

Equally at home in recording studios and live-sound settings, the microphone features Audio-Technica’s innovative MicroLinear™ ribbon imprint, which protects the dual ribbons from lateral flexing and distortion. With 18 patents pending, Audio-Technica’s innovative ribbon transducer advances the evolution of ribbon microphone design. Experience the difference.


- Low-profile stick design maximizes placement options

- Smooth, warm and natural sound tuned for instrument reproduction

- Audio-Technica ribbon design with 18 patents pending including proprietary MicroLinear™ ribbon imprint for superior durability

- Innovative dual ribbon construction for increased sensitivity

- Extremely powerful N50 neodymium magnets for high output level

- Superfine mesh guards against ribbon damage

- High-SPL capability and extended frequency response

- Handmade production – including ribbon corrugation, imprint and assembly

- Phantom-powered active electronics provide stable impedance and higher output for maximum compatibility with microphone preamplifiers




Polar Pattern


Frequency Response

30-18,000 Hz

Open Circuit Sensitivity

-42 dB (7.9 mV), re 1V at 1 Pa


100 ohms

Maximum Input Sound Level

150 dB SPL, 1 kHz at 1% T.H.D.


25 dB SPL

Dynamic Range (Typcial)

125 dB, 1 kHz at Max SPL

Signal-to-Noise Ratio

69 dB, 1 kHz at 1 Pa

Phantom Power Requirements

48V DC, 3.0 mA typical


152 g


155mm long, 21mm maximum body diameter

Output Connector

Integral 3-pin XLRM-type

Accessories Furnished

AT8471 isolation clamp for 5/8″-27 threaded stands; 5/8″-27 to 3/8″-16 threaded adapter; windscreen; protective carrying case

Audio-Technica Case Style

R1, S13


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