Shure SM76 User Guide
222 HARTREY AVE., EVANSTON, IL. 60204 U.S.A.
AREA CODE 312/866-2200 • CABLE: SHUREMlCRO
THE SOUND OF THE PROFESSIONALS@
PROFESSIONAL PRODUCTS
GENERAL
The Shure Model SM76 Dynamic Omnidirectional
Microphone is designed specifically in size and performance for studio and remote use in TV, radio, and professional recording.
l Smooth extended frequency response from 45 to
20,000
l Omnidirectional pickup pattern for increased off-
Hz
axis pickup, minimal proximity effect
l Slender design, lightweight
l Versatility-for use in the hand or on a stand-for
use indoors or outdoors
l Dependability- under all operating conditions
l Ruggedness-will operate for years without devia-
tion from original standards
The SM76 meets exacting requirements for maximum
quality and minimum size. The microphone is supplied
with an adjustable swivel adapter, permitting the
microphone to be tilted through 90° from vertical to
horizontal.
SPECIFICATIONS
Type
Dynamic
Frequency Response
45 to 20,000 Hz (see Figure 1)
TYPICAL FREQUENCY RESPONSE
Polar Pattern
Omnidirectional (see Figure 2)
Copyright 1985, Shure Brothers Inc.
27A2107(ED)
FIGURE 1
TYPICAL POLAR PATTERNS
FIGURE 2
Impedance
Dual. Microphone rating impedance is 38 ohms (48
ohms actual) and 150 ohms (235 ohms actual) for con-
nection to microphone inputs rated at 19 to 300 ohms.
Wired for 150 ohms as supplied. See Impedance
Changing.
Output Level
(at 1,000 Hz)
IMPEDANCE
38 ohms 150 ohms
Open Circuit Voltage* . . . . -88.0 dB -81.5 dB
(0.04 mV) (0.08 mV)
Power Level** . . . . . . . . . . . -61.0 dB -61.0 dB
*0 dB = 1 volt per microbar
**0 dB = 1 milliwatt per 10 microbars
Printed in U.S.A.
Hum Pickup (typical at 60 Hz)
30 dB equivalent SPL in a 1 millioersted field
Connector
Professional three-pin audio connector on microphone designed to mate with Cannon XL series,
Switchcraft A3 (Q.G.) series, or equivalent connector
Finish
Dark gray enamel
Cable
6.1m (20 ft) 2-conductor shielded with professional
three-socket audio connector on microphone end
Swivel Adapter
Snap-in positive-action, adjustable from 0° to 90°,
with standard 5/8”-27 thread
Dimensions
See Figure 3
OVERALL DIMENSIONS
FIGURE 3
Net Weight (less cable)
198 grams (7 oz)
Packaged Weight
964 grams (2 lb, 2 oz)
IMPEDANCE CHANGING
The impedance of the SM76 may be changed to 38
ohms as follows (see Figures 3 and 4):
Remove insert from receptacle end of microphone
1.
by first turning setscrew inward (counterclock-
wise).
Pull out 3-prong insert from receptacle.
2.
Disconnect RED lead from Pin 2.
3.
Solder WHITE lead to Pin 2.
4.
Insulate end of RED lead with tape.
5.
Reassemble insert into receptacle and tighten set-
6.
screw by turning outward (clockwise).
ARCHITECTS SPECIFICATIONS
The microphone shall be a moving coil (dynamic) type
with a frequency response of 45 to 20,000 Hz. The unit
shall have an omnidirectional polar characteristic. The
microphone shall be dual impedance with rated impedances of 38 ohms and 150 ohms for connection to
microphone inputs rated at 19 to 300 ohms.
The microphone output shall be -61.0 dB with 0 dB
equal to 1 milliwatt per 10 microbars.
The microphone shall be provided with a detachable
6.1 m (20 ft.) two-conductor shielded cable with a professional three-socket audio connector* at the microphone
end. The microphone shall also be provided with a
swivel adapter, adjustable through 90° from vertical to
horizontal, and suitable for mounting on a stand having
a 5/8”-27 thread.
The overall dimensions of the microphone shall be
210 mm (8-9/32 in.) in length and 19.8 mm (25/32 in.) in
diameter.
The microphone shall be the Shure Model SM76 or
equivalent.
* Designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) series,
or equivalent connector
FURNISHED ACCESSORY
Swivel Adapter . . . . . . . . . . . . . . . . . . . . . . . A57E
REPLACEMENT PARTS
Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99A344
Head Assembly* . . . . . . . . . . . . . . . . . . . . . . .
Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug Element . . . . . . . . . . . . . . . . . . . . . . . . .
Case Assembly . . . . . . . . . . . . . . . . . . . . . . . .
* Contains cartridge, cartridge case, and grille
OPTIONAL ACCESSORIES
Desk Stand . . . . . . . . . . . . . . . . . . . . . . . .
90D994
C20D
90A1984
90A2824
S37A, S39A
Line Matching Transformer . . . . . . . . . . . . . . A95 Series
Floor Stand . . . . . . . . . . . . . . . . . . . . . . . . . .
Baby Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GUARANTEE
MS-10C
BB-44
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.
INTERNAL CONNECTIONS
FIGURE 4
SHIPPING INSTRUCTIONS
Carefully repack the unit, have it insured, and return it
prepaid to:
Shure Brothers Incorporated
Attention: Service Department
222 Hartrey Avenue
Evanston, Illinois 60204
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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