Shure SM53, SM54 Techical Data
12
HARTREY AVE., EVANSTON. IL.,
60204
U.S.A.
AREA CODE
312/866-2200 CABLE: SHUREMICRO
GENERAL
The Models SM53 and SM54 are rugged dynamic cardioid microphones expressly designed for professional
applications requiring the ultimate in sound quality and
control. The performance and appearance of the two
models are very similar; however, the SM54 is
spe~ifically designed for use in very difficult closetalking and hand-held situations because of its immunity to "pop" and breath blasts.
Microphone Features:
Broad, smooth frequency response: provides
clean, natural reproduction of both voice and
music.
Cardioid directional pattern: optimum for wide
front working area with excellent side and rear rejection; off-axis rejection is uniform with frequency and symmetrical about axis to prevent sound
coloration and
~rovide maximum control of un-
wanted sound.
Integral acoustic "pop" filter on the SM54 virtually
eliminates problems of explosive speech and
breath sounds.
Minimal proximity effect: same well-balanced
sound from close talking to distant pickup.
Mechanical noise isolation: cartridge shock-
mounted to minimize stand and handling noise.
Bass rolloff switch: provides a gradual low fre-
quency
rolloff in applications where an overall rising response characteristic is advantageous.
Extremely low hum sensitivity: permits use in extreme hum fields.
Rugged construction: assures dependable opera-
tion with unchanging performance.
The SM53 and SM54 are designed for both stand and
hand-held use.
No special precautions are required to
avoid obstruction of the rear entries, since normal
operation is assured even with only one of the small
rear entry holes open.
The reliable performance, outstanding features and
handsome appearance of the
SM53 and SM54 make
them extremely versatile and ideally suited for many
demanding applications in television, radio, recording,
motion pictures and sound reinforcement. They may be
intermixed on stage and on camera with near identical
appearance and performance.
VARIATIONS
Models
SM53-CN and SM54-CN: Same as models SM53
and
SM54, respectively, except supplied with professional three-pin audio connector on equipment end of
cable. (See Specifications for details on cable.) Models
SM53-LC and SM54-LC: Same as Models SM53 and
SM54, respectively, except supplied without cables.
SPECIFICATIONS
Type
Dynamic
Frequency Response
70 to 16,000 Hz (See Figure 1)
+I0
m
s
lo
i
z
-10
>
j
L
20
XI
HX)
WO
FREMNCY
IN
mmz
TYPICAL FREQUENCY RESPONSE
FIGURE
1
Copyright
1981.
Shure Brothers
Inc.
27A1734 (AL)
Polar Pattern
Cardioid (Unidirectional) Response - Uniform with
frequency, symmetrical about axis (See Figure
2)
-
40Hz
-
1600Hz
----
IOOHZ 2MOHl
.......
200 Hz ....... 6300Hz
-
800Hz
KJ.Oo0~
TYPICAL POLAR PATTERNS
FIGURE
2
Impedance
Microphone rating impedance is 150 ohms (175 ohms
actual) for connection to microphone inputs rated at
19 to 300 ohms
Output Level
(at 1000
Hz)
............
Open circuit voltage
-81.0 dB (0.09
mV)
(0 dB = 1 volt per microbar)
Power level
...................
-
60.0 dB
(0 dB = 1 milliwatt per 10 microbars)
Hum Pickup
(typical)
13 dB equivalent SPL per millioersted
Bass Rolloff
See Figure 3 for location of response selector switch.
See Figure 1 for
rolloff response
U.S. Patent 0218,315
Printed in U.S.A.
Cable
SM53, SM54: 6.lm (20 foot) two-conductor shielded
broadcast type equipped on microphone end with pro-
fessional three-socket audio
connectort SM53-LC,
SM54-LC: Supplied less cable
Connector
Professional three-pin audio connectort
Swivel Adapter
Snap-in, positive-action, adjustable from
O0
to 90°,
with standard 5/8"-27 thread
Case
Aluminum and stainless steel
Case Finish
Matte metallic
Dimensions
See Figure 3
182
mm
(7-5/32 IN.)
20
mm
MODEL SM53
NORMAL
OPERATION
RESPONSE SELECTOR
'-"-FLAT
'
/"-ROLLOFF
DIA.
!
IN.)
MODEL
SM54
NORMAL OPERATION
OVERALL DIMENSIONS
FIGURE
3
CARTRIDGE
GREENd
r;l.RED/
(-CN
MODELS
ONLY)
GREEN
BLACK
YELLOW
L
w-'
'
II
..r&,
*CABLE-
PLUG
WELL
*
ASSEMBLY
GROUND
SNAP
RING
AT
PIN
2
WITH
RESPECT
TO
PIN
3
INTERNAL CONNECTIONS
FIGURE
4
Net Weight
(less cable)
240 grams
(8% ounces)
Packaged Weight
SM53, SM54: 1.43 kg (3 Ib 2-'/2 02)
SM53-LC, SM54-LC: 1.13 kg (2 Ib 8 02)
t
Designed to mate with Cannon
XL
series, Switchcraft
A3
(QG.)
series or
equivalent connector.
ARCHITECTS' SPECIFICATIONS
The microphone shall be a moving-coil (dynamic) type
with a frequency response of 70 to 16,000 Hz. It shall
have a cardioid directional characteristic, with
cancellation at the sides being approximately 6 dB and
the cancellation at the rear being 15 to 20 dB. The
microphone shall have an impedance of 150 ohms for
connection to microphone inputs rated at 19 to 300
ohms. The microphone output shall be -60.0 dB where
0 dB equals one milliwatt per 10 microbars of sound
pressure.
The microphone shall have a two-position Response
Selector switch. One
~osition ~rovides a flat resDonse
and the second position provides gradual low frequency
rolloff.
The microphone shall be provided with a swivel
adapter and a
6.lm (20 ft), two-conductor, shielded
cable equipped with a professional three-pin audio connector designed to mate with Cannon XL series,
Switchcraft A3 (A.G.) series, or equivalent connector.
The microphone swivel adapter shall mount on a stand
having
5/8"-27 thread.
The overall dimensions shall be 182
mm (7-=/32 in.) in
length and 38 mm
(1 % in.) in diameter for the SM53 and
194
mm (7% in.) in length and 44 mm (1% in.) in
diameter for the
SM54.
The microphone shall be a Shure Model SM53, SM54,
or equivalent.
FURNISHED ACCESSORIES
Swivel Adapter
.............................
.A57D
OPTIONAL ACCESSORIES
Windscreen
....................
A53WS (SM53 only)
Pop Filter Grille Assembly
..........
A53G (SM53 only)
Desk Stand
.................
S33B, S33P, S39A, S40A
Isolation Mount
............................
.A53M
Boom Mount
..............................
.A53B
ExtensionArm
..............................
A53E
Isolation Cable
............................
.A53C
Extension Cable - 6.1 m (20 ft)
.................
C20H
REPLACEMENT PARTS
Cartridge
....................................
R53
Grille Assembly
........
RK101G (SM53), A53G (SM54)
Case Assembly
...........................
RK159C
Switch Assembly
........................
.90A1464
Cable and Plug Assembly (SM53154)
............
C20D
Cable and Plug Assembly (SM53154-CN)
.........
C20H
NOTE:
The addition of the A53WS windscreen increases the flexibility of the SM53 microphone in a
variety of field and studio applications, by effectively
suppressing wind noise created in outdoor situations,
or by a rapidly moving boom or "fish-pole". The
A53WS
has no effect on the microphone level or frequency
response. It can be used only with the SM53
microphone.
The use of the
A53G pop-filter grille assembly on an
SM53 microphone converts it to an SM54 microphone.
This assembly provides protection against "pop" and
breath noise even in difficult close-talking and handheld situations. The use of the
A53G pop filter grille
assembly has no effect on the microphone level and
creates only minimal changes in response (in the
4
kilohertz region) and in directivity.
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 consequential or incidental
damages.
.
SHIPPING INSTRUCTIONS
Carefully repack the unit and return it prepaid to:
Shure Brothers Incorporated
Attention: Service Department
1501 West Shure Drive
Arlington Heights, Illinois 60004
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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