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Audio-Technica AT4049a

Detachable-Capsule Pencil Condenser Microphone

The AT4049a is part of a 3-mic series of pencil condensers with interchangeable capsules. The preamp body is part number AT4900a-48; the omnidirectional capsule is p/n AT4049a-EL.

Cardioid and hypercardioid capsules are available separately, and make this mic into an AT4051 or AT4053 respectively.

The preamp body contains a switchable high-pass filter (-12dB/octave @ 80Hz). The output is balanced and transformerless.

The mic ships with a clip (Audio-Technica p/n AT8405a), a foam windscreen (p/n AT8159), and a carrying case (p/n S1).

It was replaced in Audio-Technica’s product line in 2008, by the AT4049b. See the link to the AT4049b profile in the sidebar.

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Specifications

Compatible Capsules
Audio-Technica AT4049a-EL Omnidirectional capsule Sensitivity: 19.9 mV/Pa CHARTFreq. Resp.: 20 - 20,000 Hz MSRP: $245 | discontinued Audio-Technica AT4051a-EL Cardioid capsule Sensitivity: 19.9 mV/Pa CHARTFreq. Resp.: 20 - 20,000 Hz MSRP: $245 | discontinued Audio-Technica AT4053a-EL Hypercardioid capsule Sensitivity: 22.4 mV/Pa CHARTFreq. Resp.: 20 - 20,000 Hz MSRP: $245 | discontinued

Pads & Filters	Impedance	SPL/Noise
Filter: HPF: -12dB/octave @ 80Hz (Via Switch)	100 Ohms (Low)	Max SPL: 146 dB Self-noise: 19.0 dB(A)

Weight	Length	Max Diameter	Interface(s)
120g (4.23oz)	155mm (6.10'')	21mm (0.83'')	3-pin XLR male (1)

Power Specifications
Requires phantom power Phantom voltage: 48v

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