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Audio-Technica AT4047/SV
Photo: Audio-Technica, from its spec sheet, p. 1.

Audio-Technica

Audio-Technica AT4047/SV

Large dual-diaphragm cardioid condenser (DC bias), transformer-coupled output, with 80 Hz high-pass and 10 dB pad

Type
Condenser
Pattern
Cardioid
Sensitivity
−35 dBV/Pa
Self-noise
9 dB(A)
Max SPL
149 dB SPL
Impedance
250 Ω
Rated range
20 – 18k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 2. Printed under the graph: "12\" or more on axis" (30 cm or more). Room and smoothing not stated.

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

Polar pattern

Polar pattern: from the spec sheet, p. 2. Full circle, 0° at the top, 5 dB per division. Measuring conditions not stated.

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All specs

From the spec sheet
Capsulelarge dual-diaphragm; nickel-plated brass element baffle. "Dual-diaphragm capsule design maintains precise polar pattern definition across the full frequency range"; "Precision-machined, nickel-plated brass, acoustic element baffle".p. 1
Sensitivity−35 dBV/Pa (17.7 mV/Pa), open circuit. "–35 dB (17.7 mV) dB re 1V at 1 Pa" (sic).p. 2
Self-noise9 dB(A), typical, A-weighted (Audio Precision System One). "9 dB SPL", footnote "Typical, A-weighted, using Audio Precision System One".
Max SPL149 dB SPL, 1 kHz, 1% THD; also 159 dB SPL, with 10 dB pad (nominal)
Signal-to-noise ratio85 dB, 1 kHz at 1 Pa; typical, A-weighted
Dynamic range140 dB, 1 kHz at max SPL, typical
Output impedance250 ohm. Low impedance balanced (page 1).
Rated frequency range20 Hz to 18 kHz. Tolerance not stated.
Poweringphantom 48 V DC. "48V DC, 3.0 mA typical".
Current draw3 mA, typical
Low cutoff, 80 Hz, 12 dB/octave; 80 Hz; 12 dB/octave; high-pass. "80 Hz, 12 dB/octave"; switch "Flat, roll-off".
Pad−10 dB. "10 dB pad (nominal)".
ConnectorXLR-3 male (integral). "Integral 3-pin XLRM-type".
Weight410 g. "410 g (14.5 oz)"; the 2002 leaflet says "less accessories".
Dimensions53.4 × 170 mm. Maximum body diameter × length: "170.0 mm (6.69") long, 53.4 mm (2.10") maximum body diameter".
Supplied accessoriesAT8449/SV shock mount for 5/8"-27 threaded stands; dust cover; protective carrying case
Output stageTransformer-coupledp. 1
OutputLow impedance balanced, pin 2 hot
Angle of acceptance120° (uniform)
Case styleR1p. 2
FinishVintage silver-matte, on microphone and shock mountp. 1
Operating temperatureAvoid more than 43 °C (110 °F) for long periods, and very high humidity

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © Audio-Technica, unchanged, with its original address.

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