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(Specifications and appearance of this product are subject to change without notice)

AT4040

The AT4040 side-address condenser microphone features an advanced large diaphragm tensioned specifically to provide smooth, natural sonic characteristics. A marriage of technical precision and artistic inspiration, the AT4040 offers exceptionally low noise, wide dynamic range and high-SPL capability for greatest versatility. This ultra-consistent microphone may be used with confidence in a wide variety of studio and live miking applications, even under the stringent demands of digital recording systems. The AT4040’s low-noise circuitry is symmetrical and transformerless, resulting in exceptional transient response and clean output signals for transparent reproduction of even the most troublesome of instruments and sound effects.

Features

• Technically-advanced large diaphragm tensioned specifically to provide smooth, natural sonic characteristics
• Externally polarized (DC bias) true condenser design
• Exceptionally low noise, wide dynamic range and high-SPL capability for greatest versatility
• Transformerless circuitry virtually eliminates low-frequency distortion and provides superior correlation of high-speed transients
• Precision-machined, nickel-plated brass, acoustic element baffle provides enhanced element stability and optimal sensitivity
• Open acoustical environment of the symmetrical housing assembly minimizes unwanted internal reflections
• State-of-the-art surface-mount electronics ensure compliance with A-T's stringent consistency and reliability standards
• Custom shock mount provides superior isolation
• Switchable 80 Hz hi-pass filter and 10 dB pad

Accessories Included

• AT8449a shock mount for 5/8"-27 threaded stands;
• microphone dust cover;
• protective carrying case

Specifications

Microphones
Element	Externally-polarized (DC bias) condenser
Polar Pattern	Cardioid
Frequency Response	20-20,000 Hz
Low Frequency Roll Off	80 Hz, 12 dB/octave
Open Circuit Sensitivity	-32 dB (25.1 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	12 dB SPL
Dynamic Range	133 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio	82 dB, 1 kHz at 1 Pa
Phantom Power Requirements	48V DC, 4.2 mA typical
Switches	Flat, roll-off; 10 dB pad (nominal)
Weight	12.7 oz (360 g)
Dimensions	6.69" (170.0 mm) long, 2.10" (53.4 mm) maximum body diameter
Output Connector	Integral 3-pin XLRM-type
Audio-Technica Case Style	R1