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SPECIFICATIONS
Type
Dynamic
Frequency Response
40 to 11,000 Hz (see Figure 1)
-
410
1
0
u
5
-0
I
-20
20
50
IW
~ P O O
IOPW
2qWO
F R E M N C V
IN
WRTZ
TYPICAL FREQUENCY RESPONSE
FIGURE 1
Polar Pattern
Omnidirectional
Impedance
Microphone impedance is "High" for connection to
high-impedance microphone inputs.
Output Level (at 1,000 Hz)
Open Circuit Voltage
. . . . . . . . .
-59 dB
(1.12 mV)
0 dB = 1 volt per microbar
Volume Control
Built-in Volume Control to control amplifier output
at microphone position
Cartridge Shock Mount
Internal rubber vibration-isolator
Cable
4.6m (15 ft) one-conductor shielded, detachable, with
Amphenol MClF type connector at microphone end
Swivel Adapter
Positive action, adjustable through 90" from vertical
to horizontal, permits easy removal for hand-held
use, suitable for mounting on stand with 5h"-27
thread
Case
Chrome-plated die casting with stainless steel mesh
grille
Dimensions
See Figure 2
(6- 19/32
IN.)
rE8mm
7
OVERALL DIMENSIONS
FIGURE 2
Net Weight (less cable)
312 grams (1 1 oz)
Packaged Weight
768 grams (1 Ib 11 oz)
PHASING
To test two microphones and/or their cables for
proper phasing, connect them to an amplifier and talk
or sing into them while holding them three or four
inches apart. The sound from the speakers should be
the same when talking into either microphone or
directly between them if they are in phase with each
other. If the sound drops drastically, or if a dead spot
is found when talking between the two microphones,
they are out of phase. All cables and microphones
should be tested in this manner to insure that they are
in phase with each other.
To change the phase of a microphone, the micro-
phone cartridge leads must be interchanged (see
Figure 3). This should be performed by your dealer,
the Shure Factory Service Department, or other quali-
fied service personnel.
POSITIVE PRESSURE PRODUCES POSITIVE VOLTAGE ON WHITE CONDUCTOR
AMPHENOL MClM
,
TAMPHENOL
MCIF
CODED
TYPE PLUG
TYPE PLUG
TERMINAL'+"7
CARTRIDGE
* C A S E
GROUND
GABLE- PLUG
ASSEMBLY
INTERNAL CONNECTIONS
FIGURE 3
FURNISHED ACCESSORY
............................
Swivel Adapter
.A25B
OPTIONAL ACCESSORIES
Line Matching Transformer
. . . . . . . . . . . . .
.A95 Series
Desk Stand
.......
.S33B, S37A, S38B, S39A or S40A
Quick Disconnect Adapter
. . . . . . . . . . . . . . . . . . . . .
A45
...............................
Windscreen
A61WS
REPLACEMENT PARTS
Cable
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C58
Cartridge
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R33
Case Assembly-
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
RK87C
Screen and Grille Assembly
. . . . . . . . . . . . . . . . .
.RS33
Volume Control
............................
RK93S
Cable Connector
..........................
RKl14P
GUARANTEE
This product is guaranteed in normal use to be free
from electrical and mechanical defects for a period
of one year from the date of purchase. Please retain
proof of purchase date. This guarantee includes all
parts and labor.
SHIPPING INSTRUCTIONS
Carefully repack the unit and return it prepaid to
the factory. If outside the United States, return the unit
to your dealer or authorized Shure Service Center for
repair. The unit will be returned to you prepaid.
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