measurement microphone / condenser / polarized / 1/8"
Bruel and Kjaer
polarized, 1/8", free-field
The 4138 1/8-inch pressure-field microphone provides high-level and very high-frequency measurements in applications requiring a high degree of spatial resolution or in limited space applications. This pressure-field microphone features 1 mV/Pa sensitivity in the 6.5 Hz to 140 kHz frequency range with a dynamic range of 52.2 to 168 dB.