Specifications - Shure SM7A User Manual

RIGHT SIDE VIEW
MICROPHONE STAND MOUNTING CONFIGURATION
FIGURE 2

SPECIFICATIONS

Type
Dynamic
Frequency Response
50 to 20,000 Hz (see Figure 3)
FLAT RESPONSE
BASS ROLLOFF
PRESENCE BOOST
TYPICAL FREQUENCY RESPONSE
FIGURE 3
Polar Pattern
Cardioid (unidirectional)–uniform with frequency, sym-
metrical about axis (see Figure 4)
TYPICAL POLAR PATTERNS
FIGURE 4
Impedance
Microphone impedance rating is 150
connection to microphone inputs rated at 19 to 300 ohms.
Phasing
Positive pressure on diaphragm produces positive volt-
age on pin 2 relative to pin 3.
Output Level (at 1,000 Hz)
Open Circuit Voltage*
*0 dB = 1 volt per Pascal
Electromagnetic Hum Sensitivity
(Typical, Equivalent SPL/milliOersted)
60 Hz: 11 dB
500 Hz: 24 dB
1 kHz: 33 dB
XLR CONNECTOR
REAR VIEW
(150 actual) for
. . . . . . . . . . – 59.0 dB (1.12 mV)
Switches
Bass rolloff and mid-range emphasis: Slotted response
selector switches.
mid-range emphasis (presence boost) response.
Figure 3 for location of switches.
Response Selector Switch Cover
Cover plate (supplied) can be used to prevent accidental
change of response setting.
Cartridge Shock Mount
Internal air-suspension shock and vibration isolator.
Microphone Connector
Three-pin professional audio connector designed to mate
with Cannon XL series, Switchcraft A3 (Q-G) series or
equivalent connector.
Swivel Assembly
Integral part of microphone with captive nut for ease of
attachment to stand, suitable for mounting on stand with
5
/ in.–27 thread.
8
Case
Dark gray enamel aluminum and steel case with dark gray
foam windscreen.
Dimensions
See Figure 5.
189.7 mm
(7.469 in.)
95 mm
(3.75 in.)
25.4 mm
(1.0 in.)
(1.890 in.)
OVERALL DIMENSIONS
Net Weight
765.4 grams (1 lb, 11 oz)
PRESENCE BOOST SWITCH
VOICE
CODED
COIL
TERMINAL
BLACK
.22 F
240 mH
x 35 V
11 mH
HUM BUCKING COIL
INTERNAL CONNECTIONS
Certification
Eligible to bear CE marking. Conforms to European EMC
Directive 89/336/EEC. Meets applicable tests and perfor-
mance criteria in European Standard EN 55103 (1996)
parts 1 and 2, for residential (E1) and light industrial (E2)
environments.
FURNISHED ACCESSORY
Switch Cover Plate . . . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONAL ACCESSORIES
Desk Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable and Plug Assembly (7.6m – 25 ft)
2
See Figure 3 for bass rolloff and
96 mm
(3.775 in.)
63.5 mm
(2.500 in.)
117 mm
(4.594 in.)
48 mm
FIGURE 5
BASS ROLLOFF SWITCH
SWITCH PLATE
(VIEWED FROM
TERMINAL SIDE)
SHIELD
YELLOW
BLACK
CLEAR
GREEN
CASE
WHITE
GROUND
FIGURE 6
S37A, S39A
. . . . . . . . . . . .
See
GREEN
2 1
3
RPM602
C25F