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Description:

AT4040, AT 4040, AT-4040

Manufacturer's website

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.

- 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

SPECIFICATIONS
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
IMPEDANCE	100 ohms
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 (typical)	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
ACCESSORIES FURNISHED	AT8449 shock mount for 5/8"-27 threaded stands; microphone dust cover; protective carrying case
AUDIO-TECHNICA CASE STYLE	R1

SPECIFICATION GRAPHS
Click on the chart to view the larger image
		POLAR PATTERN
		FREQUENCY RESPONSE