
The Audio-Technica AT4049B Omnidirectional Condenser Microphone is a professional-grade tool engineered for critical recording, broadcast, and sound reinforcement applications. This end-address condenser microphone excels in high-output conditions, providing open and transparent reproduction for even the most complex instruments and acoustic environments.
The AT4049B features a modular design consisting of two primary subassemblies: the AT4900b-48 microphone body and the AT4049b-EL omnidirectional head capsule. This architecture allows for field-swappable components to meet various recording needs. The system supports additional interchangeable capsules, including the AT4051b-EL cardioid and AT4053b-EL hypercardioid capsules, to adapt to different polar pattern requirements.
Equipped with transformerless circuitry, the AT4049B virtually eliminates low-frequency distortion and provides superior correlation of high-speed transients. The direct-coupled balanced output ensures a clean signal path, maintaining audio integrity even when capturing high-output sources. Its omnidirectional polar pattern provides maximum ambient pickup, making it an ideal choice for professional miking applications where natural room sound is desired.
The microphone includes a switchable 80 Hz high-pass filter and a 10 dB pad to provide greater control over audio capture in diverse environments. These features allow the user to manage low-frequency rumble and high sound pressure levels effectively. A rugged housing made of turned brass ensures enduring dependability and protects the internal state-of-the-art electronics.
Audio-Technica utilizes advanced manufacturing techniques to ensure the AT4049B meets stringent consistency and reliability standards. The microphone is fully RoHS-compliant, meaning it is free from hazardous substances specified in the EU directive on the reduction of hazardous substances.
| Element | Externally polarized (DC bias) capacitor |
| Polar Pattern | Omnidirectional |
| 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 |
| Maximum Input Sound Level | 145 dB SPL, 1 kHz at 1% T.H.D.; 155 dB SPL, with 10 dB pad (nominal) |
| Noise | 16 dB SPL |
| Dynamic Range | 129 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 78 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 48V DC, 4.8 mA typical |
| Switches | Flat, roll-off; 10 dB pad (nominal) |
| Weight | 130 g (4.6 oz) |
| Dimensions | 155.0 mm (6.10") long, 21.0 mm (0.83") maximum body diameter |
| Output Connector | Integral 3-pin XLRM-type |
| Optional Interchangeable Elements | AT4051b-EL (cardioid); AT4053b-EL (hypercardioid) |
| Accessories Included | AT8405a stand clamp for 5/8"-27 threaded stands; windscreen; protective carrying case |
| Audio-Technica Case Style | S1 |
| Length | 10.35 inches |
|---|---|
| Width | 4.53 inches |
| Height | 1.67 inches |
| Weight | 1.1 lbs |
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