Shure Beta Microphones
Instrument Microphone – Beta57A
A tight supercardioid polar pattern allows the Beta 57A to provide high gain-before-feedback
and maximum sound isolation, with minimum off-axis tone coloration for amplified or acoustic
instruments.
Specifications
Type
Dynamic
Frequency response
50 to 16,000Hz
Polar pattern
Supercardioid
Sensitivity (at 1kHz, open circuit
-51dBV/Pa (2.8mV)
voltage)
Output Impedance
290 Ω (at 1kHz)
Dimensions
16 (L) x 4.3cm (W)
Net weight
275g
GL events Hong Kong Limited
© GL events Hong Kong Limited
Unit G-L, 5/F., Wing Shan Ind. Bldg.,
428 Cha Kwo Ling Road,
Yau Tong, Hong Kong
Tel : +852 2754 9487
Fax :+852 2754 8103
www.gl-events.com.hk
Cardioid Dynamic Microphone – Beta58®
The legendary SM58® is an industry-standard, highly versatile cardioids dynamic vocal
microphone that is consistently the first choice of vocal performers around the globe. Even in
extreme conditions, the SM58 is tailored to target the main sound source while minimizing
background noise, delivering warm and clear vocal reproduction.
Specifications
Type
Dynamic
Frequency response
50 to 15,000Hz
Polar pattern
Cardioid
Sensitivity (at 1kHz, open circuit
-54.5dBV/Pa (1.85mV)
voltage)
Impedance
Rated impedance is 150Ω (300Ω actual) for
connection to microphone inputs rated low
impedance
Polarity
Positive
pressure
on
diaphragm
produces
positive voltage on pin 2 with respect to pin 3.
Dimensions
16.2 (L) x 5.1cm (W)
Net weight
298g
Vocal Microphone – Beta58A
Optimized for lead vocal applications, the Beta 58A features a tight supercardioid pattern that
provides maximum sound isolation and minimum off-axis tone coloration.
Specifications
Type
Dynamic
Frequency response
51.5 to 16,000Hz
Polar pattern
Supercardioid
Sensitivity (at 1kHz, open circuit
-51.5dBV/Pa (2.7mV)
voltage)
Output Impedance
290Ω (at 1kHz)
Dimensions
16 (L) x 5cm (W)
Net weight
278g
GL events Hong Kong Limited
© GL events Hong Kong Limited
Unit G-L, 5/F., Wing Shan Ind. Bldg.,
428 Cha Kwo Ling Road,
Yau Tong, Hong Kong
Tel : +852 2754 9487
Fax :+852 2754 8103
www.gl-events.com.hk
Boundary Microphone – Beta91A
Optimized for kick drums and other low frequency applications, the Beta 91A uses a low-profile
boundary microphone with an integrated XLR preamplifier tailored for a strong low-frequency
response.
Specifications
Type
Condenser (electrets)
Frequency response
20 to 20,000Hz
Polar pattern
Half-cardioid
Sensitivity (at 1kHz, open circuit
-48.5dBV/Pa (3.8mV)
voltage)
Output Impedance
146Ω (at 1kHz)
Maximum SPL (1kHz 1% THD)
151dB with 1000Ω load
Dimensions
13.9 (L) x 9.5cm (W)
Net weight
470g
Instrument Microphone – Beta98A
Precision-engineered with a high output miniature cardioid condenser microphone, the Beta
98A features a compact design for a variety of placements with acoustic or amplified
instruments.
Specifications
Type
Condenser (electrets)
Frequency response
20 to 20,000Hz
Polar pattern
Cardioid
Sensitivity (at 1kHz, open circuit
-48dBV/Pa (3.8mV)
voltage)
Output Impedance
179Ω (at 1kHz)
Maximum SPL (1kHz 1% THD)
144dB with 1,000Ω load
Dimensions
3.5 (L) x 1.1 (W)cm
Net weight
12g, less cable
Preamplifier: 96g
GL events Hong Kong Limited
© GL events Hong Kong Limited
Unit G-L, 5/F., Wing Shan Ind. Bldg.,
428 Cha Kwo Ling Road,
Yau Tong, Hong Kong
Tel : +852 2754 9487
Fax :+852 2754 8103
www.gl-events.com.hk
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