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4138

From the HBK measurement microphone cartridges series

HBK measurement microphone cartridges: sensors and measurement devices by HBK for microphones.

Frequency response
6.5–140000 Hz
Number of measurement channels
1
Microphone sensitivity
1 mV/Pa
Maximum SPL
168 dB SPL
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Technical specification

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Technical specification for 4138
Microphone diameter 0.125 inch
Microphone polarization v_d6bc5a7f9225d591
Microphone sensitivity 1 mV/Pa
A-weighted inherent noise 43 dB(A)
Maximum SPL 168 dB SPL
Frequency response 6.5–140000 Hz
Interfaces ethernet
Number of measurement channels 1
quantity_specification 6.5-140,000 Hz; 43-168 dB SPL.
ADC sampling rate 524288 samples/s
source_acoustic_standard IEC 61094 measurement microphone
Sound field v_f6023b0503dfda71
source_sampling_rate_basis The stated microphone bandwidth is retained. The cited compatible DAQ tier is selected so that its sample rate exceeds the microphone upper-band requirement.
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