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Earthworks >

Microphones >

M30BX

M30BX

30kHz Battery Powered Measurement Microphone

상세정보

 

FEATURES

 

Microphone body opens for replaceable battery access, with a battery life of 100 hours

Works with RTA apps by using iPad / iPhone to TRRS to XLR mic cable

30kHz frequency response

Ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required

Improved version of the SMAARTMIC™ previously offered by EAW

Omnidirectional polar pattern

Flat frequency response, fast impulse response and exceptional polar characteristics

Used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others

Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements

Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve

Electronic Calibration File available

Operating temp range : -20 deg C to +60 deg C ( -4 deg. F to 140 deg. F)

Storage temp range : -40 deg C to +80 deg C ( -40 deg. F to 176 deg. F)

Humidity : Up to 90%


 

SPECIFICATIONS

 

Frequency response : 9Hz to 30kHz ±1/-3dB

Polar pattern : Omnidirectional

Sensitivity : 34mV/Pa(-29dBV/Pa)

Power requirements : 6V Battery Type P28(2CR-1/3N, 4LR44 or equivalent)

Max acoustic input : 140dB SPL

Output : XLR(pin 2+)

Output impedance : 65Ω balanced(between pins 2 & 3)

Min output load : 600Ω between pins 2 & 3

Noise : 20dB SPL equivalent(A weighted)

Dimensions L x D : 220mm x 22mm (8.65 x .860 inches)

Weight : .4lb.(180g)


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