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beyerdynamic M 380
Photo: beyerdynamic, from its data sheet rh, p. 1.

beyerdynamic

beyerdynamic M 380

Dynamic (moving coil), figure-8, large-diaphragm side-address mic for kick drum, bass instruments and Leslie cabinets

Type
Dynamic
Pattern
Figure-8
Sensitivity
−46 dBV/Pa
Max SPL
140 dB SPL
Impedance
600 Ω
Rated range
15 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the data sheet rh, p. 2. Titled "Frequency response curve (± 2.5 dB)", "Measuring distance" with curves labelled "1 m" and "2 cm"; "correspond to typical machine run specifications for this microphone". Room and smoothing not stated.

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 data sheet rh
Capsulelarge diaphragm, Mylar. "Diaphragm: Mylar®"; "large diaphragm" on p. 1.p. 2
Sensitivity−46 dBV/Pa (5 mV/Pa), open circuit, 1 kHz. "Open circuit voltage at 1 kHz (0 dBV ≙ 1 V/Pa) 5.0 mV/Pa ≙ -46 dBV". The 1985 sheet: "5 mV/Pa ≙ -46 dBV".
Max SPL140 dB SPL, 1 kHz, < 0.5% THD. "Max. SPL at k < 0.5 % at 1 kHz 140 dB"; the same on the 1985 sheet.
Output impedance600 ohm, nominal output impedance
Rated load impedance1000 ohm, minimum ("≥ 1000 Ω")
Rated frequency range15 Hz to 20 kHz. "15 - 20 000 Hz".
ConnectorXLR-3 male. "Male connector: 3 pin XLR-connector".
Weight370 g, approx., less cable
Finishblack chrome on die-cast zinc (1991); brushed antique bronze (1985). "Case: Die-cast zinc; Case finish: Black, chromium". The 1985 sheet: "Surface: antique bronze, brushed".
Supplied accessoriesMKV 8 mic clip (3/8" and 5/8" thread); black zipper bag in a solid box. The 1985 sheet lists a brown leatherette bag and the MKV 8 swivel adapter (5/8" thread with 3/8" adapter).
Type designationM 380 N (C)
Output level-46 dBm (0 dBm ≙ 1 mW/Pa)
Magnetic field suppression> 20 dB at 50 Hz; hum compensation
PolarityPositive pressure produces positive voltage on the red lead (+)
Applications (beyerdynamic)Bass drum on stage and in the studio; acoustic and electric bass, tuba and other brass and wind instruments; rack toms, percussion; Leslie cabinets (one M 380 for both rotors); broadcast announcersp. 1
Optional accessoriesCables; GST 500 and GST 590 floor standsp. 2
From the data sheet 1985 rh
Dimensions160 × 66 × 60 mm. "160 mm long, 66 mm wide and 60 mm high" (architects' specification). The 1991 drawing: 160 mm long, head 66 mm across and 106 mm long, shaft 24 mm (p. 2).p. 2
Shock mount"The suspended system is insensitive to structure-borne noise and has a windscreen"p. 1

Documents

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

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