Audix Omni-Directional Test and Measurement Microphone

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The TM1 is a 6 mm pre-polarized condenser microphone used for test and measurement applications. The TM1 is known for its linearity, accurate response, consistency, ease of use, and affordability.


Equipped with a uniformly controlled omnidirectional polar pattern, the TM1 condenser microphone is designed to capture acoustic measurements for room analysis software programs, real-time analyzers, and other sound control devices. With a flat frequency range of 20 Hz – 20 kHz, the TM1 is an excellent tool for sound engineers, sound companies, and recording enthusiasts.


The TM1 omnidirectional test and measurement microphone is designed, machined, assembled, and tested by Audix in the USA.

Transducer Type               Pre-polarizedCondenser

Frequency Response        20Hz 20 kHz +/-2 dB

Polar Pattern      Omni

Output Impedance           200ohms

Sensitivity            6mV / Pa @ 1k

Equivalent Noise Level    28dB (A weighted)

Signal to Noise Ratio       66dB

Maximum SPL     130 dBwith distortion <1% 140 dB Max

Power Requirements       24 48 V Phantom

Power Consumption        8.9mA @ 48 Volts

Connector           Switchcraftor Audix male XLR

Polarity Positivepressure on diaphragm produces positive voltage on pin 2 relative to pin 3 ofoutput XLR connector

Materials / Finish              4piece precision machined brass / Nickel Finish

Weight  132 g / 4.7 oz

Length   150 mm / 5.9in

1 x TM1 Test & Measurement Microphone

1 x DCLIP Microphone Clip

1 x Carrying Pouch

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