The side-address AT4033aSM offers low-noise, symmetrical, transformerless circuitry that results in exceptional
transient response and clean output signals. A strong up-front presence characterizes the sonic signature of this 40
Series pro-audio classic.
The AT4033aSM’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.
Features
- A strong up-front presence characterizes the sonic signature of this versatile pro-audio classic
- 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
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Specifications
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Fixed-charge back plate, permanently polarized condenser
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Cardioid
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30-20,000 Hz
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80 Hz, 12 dB/octave
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-32 dB (25.1 mV) re 1V at 1 Pa
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100 ohms
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145 dB SPL, 1 kHz at 1% T.H.D.; 155 dB SPL, with 10 dB pad (nominal)
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17 dB SPL
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128 dB, 1 kHz at Max SPL
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77 dB, 1 kHz at 1 Pa
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48V DC, 3.2 mA typical
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Flat, roll-off; 10 dB pad (nominal)
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13.4 oz (380 g)
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6.69" (170.0 mm) long, 2.10" (53.4 mm) maximum body diameter
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Integral 3-pin XLRM-type
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AT8449 shock mount for 5/8"-27 threaded stands; protective carrying case
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R1
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