Technical Specifications

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

Limits: ±1 dB at 1 kHz; +2.5 dB between 0.25 and 10 kHz

Frequency response: Equalized to flat beyond 10kHz

Undistorted output: 126 dB SPL (2V) min., 5mA min. in 0 dB position;
140 dB SPL min. in -20 dB position

Noise level: 55 dB SPL equivalent, 20 to 20 kHz bandwidth
45 dB SPL equivalent, 20 Hz-5 kHz bandwidth

Acoustic polarity: +Acoustic = +Electrical

Probe tube: 0.95mm OD x 0.5mm ID x 76mm long silicone
9V battery (200+ hours)