Shure 58A manual Stage Monitor & P.A. Loudspeaker Placement, Specifications, Furnished Accessories

STAGE MONITOR & P.A. LOUDSPEAKER PLACEMENT

For maximum rejection of unwanted sound, place the stage monitor(s) or P.A. system loudspeaker at a 60° angle from the rear of the BETA 58A, not directly behind it. See Figure 1. Always check out the stage setup before a perfor- mance to ensure that microphone and monitor placement is optimum.

MONITOR	180°	P.A. SYSTEM
LOUDSPEAKER(S)
		LOUDSPEAKER
120°		120°
90°

0°

RECOMMENDED LOUDSPEAKER LOCATIONS

FIGURE 1

SPECIFICATIONS

Type

Dynamic (moving coil)

Frequency Response

50 to 16,000 Hz (see Figure 2)

NOTE: The curve below shows on-axis response at a distance of 2 feet from a uniform sound source. Your response may vary, depending on microphone position.

+10

3 mm

(1/8 IN.)

25 mm (1 IN.)

0

51mm (2 IN.)

–10
	0.6 m
	(2 FT)

20 50 100 200 500 1,000 2,000 5,000 10,000 20,000

TYPICAL FREQUENCY RESPONSE

FIGURE 2

Polar Pattern

Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency (see Figure 3)

	180o			180o
150o	150o		150o	150o
120o		120o	120o		120o
90o		90o	90o		90o
	–20 dB			–20 dB
	–15 dB			–15 dB
60o	–10 dB	60o	60o	–10 dB	60o
	–5 dB			–5 dB
30o	30o		30o	30o
	0			0
	250 Hz			2500 Hz
	500 Hz			6300 Hz
	1000 Hz			10000 Hz

TYPICAL POLAR PATTERNS

FIGURE 3

Output Level (at 1,000 Hz)

Open Circuit Voltage: –51.5 dBV/Pa* (2.6 mV)

*1 Pa = 94 dB SPL

Impedance

Rated impedance is 150 W (290 W actual) for connection to microphone inputs rated low Z

Phasing

Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3. See Figure 4.

INTERNAL WIRING

FIGURE 4

Case

Silver blue enamel-painted die cast metal with hardened, matte-finished, spherical steel mesh grille

Adjustable, Stand Adapter

Slip-in microphone mounting, unbreakable, adjustable through 180° with standard 5/8”-27 thread, black finish

Dimensions (See Figure 5)

50 mm (2 in.)

160mm

(6.5 in.)

OVERALL DIMENSIONS

FIGURE 5

Net Weight

278 grams (9.92 oz)

Certification

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

FURNISHED ACCESSORIES

Adjustable Stand Adapter . . . . . . . . . . . . . . . . . . . . . . A25D 5/8” to 3/8” (Euro) Thread Adapter . . . . . . . . . . . . 95A2050 Storage Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A21

OPTIONAL ACCESSORIES

Windscreen . . . . . . . . . . A58WS Series (8 colors available) Isolation Mount . . . . . . . . . . . . . . . . . . . . . . . A55M, A55HM 7.6 m (25 ft.) Cable . . . . . . . . . . . . . . . . . . . . . . C25E, C25F

REPLACEMENT PARTS

Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R176

Grille Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RK265G

Plug (Connector) Assembly . . . . . . . . . . . . . . . . . . 90F1984

2