Mic Archive
Shure Beta 58A
Photo: Shure, from its spec sheet (Recording Hacks copy), p. 1.

Shure

Shure Beta 58A

Dynamic (moving coil), supercardioid, handheld vocal mic with neodymium magnet

Type
Dynamic
Pattern
Supercardioid
Sensitivity
−51 dBV/Pa
Impedance
150 Ω
Rated range
50 – 16k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 1. "Frequency Response"; relative dB. The 2005 user guide: "on-axis response at a distance of 2 feet from a uniform sound source". 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. 1. "Polar Pattern"; two plots (250 Hz to 1 kHz, 2500 Hz to 10 kHz), 0° at the bottom, 5 dB per ring, the outer ring 0 dB. Measuring conditions not stated.

Compare with other mics

All specs

From the user guide (Recording Hacks copy)
Dimensions50 × 160 mm. Overall dimensions drawing: "160 mm (6.5 in.)" long, "50 mm (2 in.)" across the grille (head diameter × length).p. 2
Supplied accessoriesA25D adjustable stand adapter; 95A2050 5/8" to 3/8" thread adapter; 26A21 storage bag. Furnished accessories (2005). The 2015 sheet lists the A25D microphone clip among accessories and replacement parts.
PolarityPositive pressure on the diaphragm gives positive voltage on pin 2 with respect to pin 3
CaseSilver blue enamel-painted die-cast metal, hardened matte-finished spherical steel mesh grille
Replacement partsCartridge R176; grille RK265G; connector 90F1984
Optional accessoriesA58WS windscreens (8 colours); A55M, A55HM isolation mounts; C25E, C25F 7.6 m cables
Proximity effect (Shure)6 to 10 dB bass boost at 100 Hz at about 6 mm from the sourcep. 1
Monitor placement (Shure)Stage monitors at 60° from the rear of the mic (about 120° off axis), not directly behindp. 2
From the spec sheet
Sensitivity−51 dBV/Pa (2.8 mV/Pa), 1 kHz, open circuit voltage; also −51.5 dBV/Pa, user guide (2005). "−51 dBV/Pa (2.8 mV)"; the 2005 user guide (p. 2) gives "-51.5 dBV/Pa (2.6 mV)".p. 1
Output impedance150 ohm, rated; 290 ohm actual (user guide). The user guide (p. 2): "Rated impedance is 150 Ω (290 Ω actual)".
Rated frequency range50 Hz to 16 kHz
ConnectorXLR-3 male. "Three-pin professional audio (XLR), male".
Weight278 g, net
Shock mountPneumatic shock mount system; built-in pop filter

Documents

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

Product page on shure.comRecording Hacks

Recommended for

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

Other mics