User's Manual

Shure Incorporated
10/22
Specifications
All specification values are based on using a typical bodypack with 5 V bias input or the RPM400MTQG preamplifier. When using the RPM400LEMO
amplifier, refer to the RPM400LEMO specifications.
Microphone Capsule
Dual-Diaphragm, Prepolarized Condenser
Polar Pattern
Omnidirectional
Frequency Response
20 Hz to 20 kHz
Sensitivity
TL46 -37.0 dBV(14.1 mV)at 1 kHz
TL45, TL47, TL48 -45.0 dBV(5.62 mV)at 1 kHz
Self-Noise, A-Weighted, Equivalent Acoustical
TL46 24.0 dB SPLA
TL45, TL47, TL48 24.5 dB SPLA
Signal-To-Noise Ratio
TL46 70.0 dB
TL45, TL47, TL48 69.5 dB
Output Clipping Level
3.0 dBV,1 kHz at 1% THD, typical
Maximum SPL
TL46 134.0 dB SPL,1 kHz at 1% THD, typical
TL45, TL47, TL48 142.0 dB SPL,1 kHz at 1% THD, typical
Dynamic Range
TL46 110.0 dB typical
TL45,TL47, TL48 117.5 dB typical
Microphone Current Draw
120 to 240 µA, typical
Bias Voltage
Recommended Operating Voltage
5 V DC
Housing
Molded ABS
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