Shure SM57 - Manual (Page 2)

2
SPECIFICATIONS
Type
Dynamic
Frequency Response
40 to 15,000 Hz (see Figure 2)
TYPICAL FREQUENCY RESPONSE
FIGURE 2
Polar Pattern
Unidirectional (cardioid), rotationally symmetrical about
microphone axis, uniform with frequency (see Figure 3)
TYPICAL POLAR PATTERNS
FIGURE 3
Sensitivity (at 1,000 Hz)
Open Circuit Voltage: -56.0 dBV/Pa* (1.6 mV)
*(1 Pa = 94 dB SPL)
Impedance
Rated impedance is 150Ω (310Ω 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 (see Figure 4).
INTERNAL CONNECTIONS
FIGURE 4
Connector
Three-pin professional audio connector (male XLR type)
Case
Dark gray, enamel-painted, die-cast steel with a polycarbonate
grille and a stainless steel screen.
DIMENSIONS
FIGURE 5
Swivel Adapter
Positive-action, break-resistant, adjustable through 180°, with
standard 5/8 in.-27 thread
Net Weight (without cable)
284 grams (10 oz)
Certification
Eligible to bear CE Marking. Conforms to European EMC Directive
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 Adapter ............................................................. A25D
Storage Bag .............................................................. 26A13
OPTIONAL ACCESSORIES
Windscreen ....................................................... A2WS-GRA
Desk Stand ..........................................................................
S37A, S39A
Isolation Mount
........................................................... A55M
Dual Mount ....................................................... A25M, A26M
Cable (7.6 m [25 ft]).................................................C25E, C25F
REPLACEMENT PARTS
Cartridge ....................................................................... R57
Screen and Grille Assembly ..........................................RPM210
For additional service or parts information, please contact Shure
Service department at 1-800-516-2525. Outside the United States,
please contact your authorized Shure Service Center.
FREQUENCY IN HERTZ
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
0
90°
–10 dB
–20 dB
–15 dB
–5 dB
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
0
90°
–10 dB
–20 dB
–15 dB
–5 dB
500 Hz
1000 Hz
125 Hz
4000 Hz
8000 Hz
2000 Hz
1 2
3
CODED TERMINAL
GREEN BLUE
YELLOW RED
BLACK
TRANSFORMER
CARTRIDGE
32 mm
(1 1 / 4 in.)
157 mm
(6 3 / 16 in.)
23 mm
( 29 /
32
in.)