Specifications, Certification, Furnished Accessories

SPECIFICATIONS

Type

Dynamic (moving coil)

Frequency Response

50 to 15,000 Hz (see Figure 2)

TYPICAL FREQUENCY RESPONSE

FIGURE 2

Polar Pattern

Unidirectional (cardioid), rotationally symmetrical about mi- crophone axis, uniform with frequency (see Figure 3)

TYPICAL POLAR PATTERNS

FIGURE 3

Sensitivity (at 1,000 Hz Open Circuit Voltage)

–54.5 dBV/Pa (2.8 mV)

1 Pa = 94 dB SPL

Impedance

Rated impedance is 150 W (300 W actual) for connection to microphone inputs rated low impedance

Polarity

Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

Internal Connections (Figure 4)

CARTRIDGE

SWITCH (SM58S ONLY)

	CODED TERMINAL
GREEN	GREEN	BLUE
		2	1
			3
YELLOW	YELLOW	RED	BLACK

TRANSFORMER

INTERNAL CONNECTIONS

FIGURE 4

Connector

Three-pin professional audio connector (male XLR type)

Case

Dark gray, enamel-painted, die cast metal; matte-finished, silver colored, spherical steel mesh grille

Overall Dimensions (Figure 5)

162mm (6 3/8in.)

51 mm	23 mm
	(29/	in.)
(2 in.)
		32

OVERALL DIMENSIONS

FIGURE 5

Swivel Adapter

Positive-action, break-resistant, adjustable through 180°, with standard 5/8 in.–27 thread

Net Weight

298 grams (10.5 oz)

CERTIFICATION

Eligible to bear CE Marking. Conforms to European EMC Di- rective 89/336/EEC. Meets applicable tests and performance criteria in European Standard EN55103 (1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments.

FURNISHED ACCESSORIES

Swivel Stand Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . A25D Storage Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A13

OPTIONAL ACCESSORIES

Windscreen . . . . . . . . . . . A58WS Series (8 colors available) Desk Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S37A, S39A Isolation Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A55M Dual Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A26M Cable (7.6 m [25 ft] . . . . . . . . . . . . . . . . . . . . . . C25E, C25F

REPLACEMENT PARTS
Cartridge	. . . R59
Screen and Grille Assembly	RK143G

For additional service or parts information, please contact Shure’s Service department at 1-800-516-2525. Outside the United States, please contact your authorized Shure Service Center.