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Audio Technica AT4033a Condenser Microphone


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The latest edition of the legendary AT4033 microphone, the side-address Audio-Technica AT4033a offers low-noise, symmetrical, transformerless circuitry that results in exceptional transient response and clean output signals.

A studio classic and bluegrass favorite, the Audio Technica AT4033 cardioid studio condenser is the microphone that broke the US$1000-barrier in its class. A strong up-front presence characterizes the sonic signature of this 40 Series pro-audio classic.

The AT4033a’s 80Hz high-pass filter easily switches between flat frequency response and a low-end roll-off that diminishes ambient noise and popping with closely-miked vocals. Includes the AT8449a shock mount for superior isolation.

  • 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
  • The 2-micron-thick, vapor-deposited gold diaphragm undergoes a five-step aging process so that the optimum characteristics achieved remain constant over years of use
  • Floating-construction capsule assembly provides isolation from noise and vibration
  • 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

Get your Audio Technica AT4033a Condenser Microphone today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.

Things You Will Get:

  • AT4033a Condenser Microphone
  • AT8449a Shock Mount
  • >Microphone Dust Cover
  • Protective Carrying Case
  • User Guide


by PowerReviews
Impedance 100 Ohms
Weight 13.4 oz
Connections Integral 3-pin XLRM-type
Dimensions 6.69" (170.0 mm) long
2.10" (53.4 mm) maximum body diameter
Dynamic Range 128 dB, 1 kHz at Max SPL
Frequency Response 30-20kHz
Maximum SPL 155 dB SPL, with 10 dB pad (nominal)
145 dB SPL, 1 kHz at 1% T.H.D.;
Phantom Power 48V DC, 3.2 mA typical
Polar Pattern Cardioid
Sensitivity 32 dB (25.1 mV) re 1V at 1 Pa
Signal to Noise Ratio 77 dB, 1 kHz at 1 Pa
Special Features 2-micron-thick, vapor-deposited gold diaphragm
Switches Flat, roll-off
10 dB pad (nominal)
Capsule/Element Fixed-charge back plate, permanently polarized condenser
Warranty Info:

The manufacturer's warranty covers parts for one year and labor for one year from date of purchase. The warranty excludes damage from misuse, abuse, and contains other exclusions.