Technical Specifications
Sensitivity: 50mV/Pascal (-46 dB re 1V/uBar): 0 dB SPL = 0 dBuV

Frequency response: ±2.5 dB between 0.25 and 10 kHz

Undistorted output: 126 dB SPL (2V) min., 5mA min in 0-dB position;
140 mA min. in -10-dB position

Noise level: 28 dB SPL equivalent, A-weighted

Acoustic polarity: +Acoustic = +Electrical
Battery operation prevents ground loop problems

Convenient calibration: 100 dB SPL = 100 dB uV