6
Certifications
This product meets the Essential Requirements of
all relevant European directives and is eligible for
CE marking.
The CE Declaration of Conformity can be ob-
tained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone: 49-7262-92 49 0
Fax: 49-7262-92 49 11 4
Email: [email protected]
Power Requirements
BETA 53
11–52 V DC phantom power [4], 2 mA
WBH53
+5 V DC
Polarity
BETA 53
Positive pressure on diaphragm produc-
es positive voltage on pin 2 with respect
to pin 3
WBH53
Positive pressure on diaphragm produc-
es positive voltage on pin 3 with respect
to pin 1
Weight
BETA 53
135 g (4.75 oz.)
WBH53
35 g (1.25 oz.)
Cable
1.5 m (5 ft)
[1] 1 Pa=94 dB SPL
[2] THD of microphone preamplifier when applied input signal
level is equivalent to cartridge output at specified SPL
[3] S/N ratio is the difference between 94 dB SPL and equivalent
SPL of self-noise, A-weighted
BETA 54 / WBH54 / RPM627
Type
Electret Condenser
Frequency Response
50 to 20,000 Hz
Polar Pattern
Supercardioid
Output Impedance (RPM627)
160 Ω
Sensitivity
at 1kHz, open circuit voltage
BETA 54
-56.0 dBV/Pa (2.51 mV) [1]
WBH54
-56.0 dBV/Pa (1.58 mV) [1]
Maximum SPL
1 kHz at 1% THD [2]
BETA 54
141.4 dB
WBH54
152.5 dB
Signal-To-Noise Ratio [3]
55.0 dB
Dynamic Range
at 1kHz
BETA 54
98.3 dB
WBH54
109.4 dB
Self Noise
equivalent SPL, A-weighted, typical
43.1 dB
Power Requirements
BETA 54
11–52 V DC phantom power [4], 2 mA
WBH54
+5 V DC
Polarity
BETA 54
Positive pressure on diaphragm produces
positive voltage on pin 2 with respect to
pin 3
WBH54
Positive pressure on diaphragm produces
positive voltage on pin 3 with respect to
pin 1
Weight
BETA 54
135 g (4.75 oz.)
WBH54
35 g (1.25 oz.)
Cable
1.5 m (5 ft)
[1] 1 Pa=94 dB SPL
[2] THD of microphone preamplifier when applied input signal
level is equivalent to cartridge output at specified SPL
[3] S/N ratio is the difference between 94 dB SPL and equivalent
SPL of self-noise, A-weighted
