Shure TL1073 - Manual
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Model Beta 91A Wired Microphones
Specification Sheet
TL1073 (Rev. 1)
Printed in U.S.A.
©2010 Shure Incorporated
BETA 91A Instrument Microphone
20
20000
1000
10000
50 100
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
+10
0
–10
Hz
dB
-20
+20
EQ
61 cm (2 ft.) from sound source
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
0
90°
–10 dB
–20 dB
–15 dB
–5 dB
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
0
90°
–10 dB
–20 dB
–15 dB
–5 dB
500 Hz
1000 Hz
250 Hz
6300 Hz
10000 Hz
General Description
The Shure Beta 91A is designed for use with kick drums, piano and other
traditional low frequency applications. An updated microphone capsule is
tailored for bass-heavy environments to produce a powerful low frequency
response, and a new design integrates the preamplifier and XLR connec-
tion for easy setup and minimal stage clutter. The Beta 91A combines
superior attack and punch for studio-quality sound, even at extremely high
sound pressure levels (SPLs).
Features
•
Premier live performance microphone with Shure quality, ruggedness,
and reliability
•
Uniform half-cardioid polar pattern (in the hemisphere above mounting
surface) for maximum gain before feedback and rejection of off-axis
sound
•
Tailored frequency response for kick drums and bass-heavy
instruments
•
Wide dynamic range for use in high SPL environments
•
Two-position contour switch enhances attack and clarity
•
Integrated preamp and XLR connector reduce stage clutter and provide
a quick, secure setup
•
Low profile design requires no external mounting hardware
•
Steel grille and die-cast metal construction resist wear and abuse
Performance Characteristics
•
Exceptional low-frequency reproduction
•
Extremely high SPL handling
•
High output level
•
No crossover distortion
Applications and Placement
Half-cardioid Polar Pattern
Boundary microphones pick up
sound in a cardioid polar pattern in
the hemisphere above the mounting
surface. Keep sound sources within
the 60 degree range above this
surface.
60
Contour Switch
A two-position switch on the bottom of the microphone lets you selectively
filter the low-mid frequency response without additional tools. Use this fil-
ter to enhance the attack and clarity of bass-heavy instruments.
Flat response:
Provides the most
natural sound in most applications.
Low-Mid Scoop:
This setting tai-
lors the microphone’s frequency
response to provide a strong ‘punch’
in the low frequencies, and plenty of
attack in the higher frequencies.
EQ
EQ
Mounting the Microphone
For long-term installation, mount the Beta 91A to a surface using the
mounting holes on the bottom of microphone.
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