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Important: Shure microphone cables are selected
after exhaustive tests to insure superior performance
in microphones because of low capacities, superior
shielding properties and unusually long life under
severe use.
Cables with plastic insulation should not be sub-
jected to excessive soldering-iron heat. Carefully clean
and tin the conductors and
the connections to which
the conductors are to be soldered. The soldering
operation can then be done with a minimum of heat,
thereby avoiding any possibility of damage to the
cable.
ARCHITECTS' SPECIFICATION
The microphone shall be the Shure Model
515SBG,
515SB-GI8 or equivalent. The microphone shall be a
moving coil (dynamic) microphone with a frequency
response of 80 to 13,000 Hz. This unit shall have a
cardioid polar characteristic. The cancellation at the
sides shall be approximately 6 dB, and the cancella-
tion at the rear shall be 15 to 20 dB. The microphone
shall be low impedance with a rated impedance of 150
ohms for connection to microphone inputs rated at
19 to 300 ohms. The microphone output shall be
-60 dB where
0 dB
=
1 milliwatt with 10 microbars.
The microphone shall be equipped with a built-in,
non-
locking, push-to-talk switch.
The Model
515SBG shall be suitable for mounting on
a gooseneck having a
%"-27 thread. The microphone
shall have a
1.8m (70 in.) four-conductor (two shielded)
cable. The overall microphone dimensions shall be
159 mm (6-1/4 in.) in length and 37.3 mm (1-15/32 in.)
in diameter.
The Model
515SB-GI8 shall be mounted on a flexible
gooseneck having a mounting flange. The microphone
shall have a
1.3m (51 in.) four-conductor (two shielded)
cable extending from the gooseneck. The overall di-
mensions shall be 635 mm (25 in.) in length and
37.3 mm (1-15/32 in.) in diameter.
SPEClFlCATlONS
Type
Dynamic
Frequency Response
80 to 13,000
Hz
(See Figure 3)
m
9+10
Z
w
Z
p
0
w
w
5-,o
w
rn
I
I
I I
I
I
I
Illll
I
I I IIIIII
I
J
PO
M
100
1,000
l0,OOO
20.000
FREWENCY IN HERTZ
FREQUENCY
RESPONSE
FIGURE
3
FIGURE
4
Microphone Impedance
170 ohms actual
Microphone Rating Impedance
150 ohms for connection to microphone inputs rated
at 19 to 300 ohms
Output Level (at 1000 Hz)
Open Circuit Voltage
. .
.
.
.
. . .
. .
-82 dB (.080 mV)
(0 dB
=
1 volt per microbar)
Power Level
.
. . . . . . . .
.
. .
.
. .
.
.
-60 dB
(0 dB
=
1
milliwatt with 10 microbars)
Switch
Built-in, leaf-type, non-locking, push-to-talk
Shock Mount
Internal rubber vibration-isolator
Cable
Highly durable cable with effective hum shielding,
four conductors (two shielded), plastic-jacketed
Model
515SBG-1.8-meter (70 in.)
Model
515SB-G18-1.3 meters (51 in.)
from gooseneck
Case
Silver finish die casting with black
ARMO-DUR@
grille and stainless steel screen
Model 515SB-GI8 has chrome-plated flexible arm
and mounting flange
Dimensions
See Figure I-A for Model
515SBG and Figure 1-B
for Model 515SB-G18
Net Weight
Model
515SBG
-
425
grams (15 ounces)
Model
515SB-GI8 (with gooseneck)
-
1.02 kilograms (2% pounds)
GUARANTEE
This Shure product is guaranteed in normal use to
be free from electrical and mechanical defects for a
period of one year from date of purchase. Please
retain proof of purchase date. This guarantee includes
all parts and labor. This guarantee is in lieu of any
and all other guarantees or warranties, express or
implied, and there shall be no recovery for any con-
sequential or incidental damages.
SHIPPING INSTRUCTIONS
Carefully repack the unit and return it prepaid to:
Shure Brothers
lncor~orated
Polar Pattern Attention: Service ~epartment
1501 West Shure Drive
Cardioid (unidirectional) pattern-Effective rejection
Arlington Heights, Illinois 60004
of sound at the rear of the microphone
is uniform
lf
outside the United States, return the unit to your
at all
frequencies, while front pickup characteristics
dealer or Authorized Shure Service Center for repair,
are uniform about the axis. (See Figure 4)
The unit will be returned to you prepaid.