Mic Archive

MXL

MXL 993

Instrument condenser (pressure gradient), cardioid, with switchable 100 Hz high-pass filter and 10 dB pad

Approximate Some readings for this mic are uncertain; see the graphs.

Type
Condenser
Pattern
Cardioid
Sensitivity
−40 dBV/Pa computed
Self-noise
18 dB(A)
Max SPL
134 dB SPL
Impedance
200 Ω
Rated range
30 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the manual, p. 1. Untitled graph on the sheet, 125 Hz to about 20 kHz; dB scale -20 to "20" with no unit (relative, 0 dB through 1 kHz). Nothing below 125 Hz is drawn. Distance, room and smoothing not stated. Approximate reading error up to about 1 dB.

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

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All specs

From the manual
Capsule20 mm or 22 mm gold-sputtered diaphragm (the sheet gives both). Data: "Condenser pressure gradient mic with large 20 mm diaphragm"; text: "a twenty-two millimetre gold-sputtered diaphragm".p. 1
Sensitivity−40 dBV/Pa (10 mV/Pa). Not stated by the manufacturer: Converted from "10mV/Pa" (20 log10 0.010 = -40).
Self-noise18 dB(A), A-weighted, IEC 268-4. "Equivalent Noise: 18dB(A weighted IEC 268-4)".
Max SPL134 dB SPL, 0.5% THD. "Max SPL for 0.5% THD: 134dB"; whether with the pad is not stated.
Signal-to-noise ratio80 dB, re 1 Pa, A-weighted. "S/N Ratio: 80dB (Ref. 1Pa A-weighted)".
Output impedance200 ohm. "Impedance: 200 ohms".
Rated frequency range30 Hz to 20 kHz. "Frequency Range: 30Hz-20kHz".
Poweringphantom 48 V ±4 V. "Phantom Power 48V ±4V".
Current draw3 mA, less than. "Current Consumption: <3.0mA".
Low cutoff, 100 Hz, 6 dB/octave; 100 Hz; 6 dB/octave. "High Pass Filter: 6dB/octave, 100HZ switchable".
Pad−10 dB. "Attenuation Switch: 0/-10dB".
Weight340 g. Not stated by the manufacturer: Converted from "0.75 lb" (340.2 g).
Dimensions24 × 215 mm. "Size: 24mm x 215mm"; stored as diameter × length (presumably).
Finishchampagne. "Metal Finish: Champagne".
ModelsMXL 993 and MXL993SPR (the sheet covers both; what SPR adds is not said)
WarrantyThree years from purchase

Documents

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

Recommended for

Instruments whose sources name this mic, or an earlier version or variant of it.

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