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 AT4040s 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.

Key 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

Technical Specs

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