5
Positioning the Microphone
BETA53/54
• Position the omnidirectional BETA53 or directional BETA54 microphone
near the corner of the mouth
• If necessary, roll the boom to avoid contact with skin and facial hair
Reversing the Boom
The microphone boom may be reinstalled to position it on the left or right
side of the head.
•
Carefully detach the boom holder ①, logo pad ②, and microphone cable
③ from the headband.
•
Reattach the boom holder to the opposite side of the wire frame ④.
•
Reattach the logo pad ⑤ and microphone cable ⑥.
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2
3
Specifications
BETA 53 / WBH53 / RPM627
Type
Electret Condenser
Frequency Response
20 to 20,000 Hz
Polar Pattern
Omnidirectional
Output Impedance (RPM627)
160 Ω
Sensitivity
at 1kHz, open circuit voltage
BETA 53
-54.0 dBV/Pa (3.16 mV) [1]
WBH53
-54.0 dBV/Pa (2.0 mV) [1]
Maximum SPL
1 kHz at 1% THD [2]
BETA 53
139.4 dB
WBH53
150.5 dB
Signal-To-Noise Ratio [3]
55.0 dB
Dynamic Range
at 1kHz
BETA 53
96.9 dB
WBH53
108 dB
Self Noise
equivalent SPL, A-weighted, typical
42.5 dB
