M30BX

Common name: Earthworks M30BX

Production Status: Discontinued / Vintage

The M30BX is a battery-powered 30kHz measurement microphone offering 14dB of gain via an internal switch. The latter makes it suitable for driving a sound card directly, in most applications. It will drive a single-ended input and also works well for location recording.

Electrical Characteristics

Frequency Response
9Hz - 27 kHz
Output Sensitivity
8 mV/Pa
Max SPL
132
Max SPL, THD:
1
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
27 dB-A
Output Impedance
50Ω
Recommended Load
10kΩ
Powering
Supply Current
10 mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
XLR-3M
Connector notes
Available Colours
Black
Weight
225 g
Length
215 mm
Min diameter width
7.1 mm
Max diameter
22 mm
Depth

Accessories

Included
Clip, measured response chart, batteries
Optional