Fixed-charge back plate, permanently polarized condenser
Polar PatternCardioid
Frequency Response30-20,000 Hz
Low Frequency Roll Off80 Hz, 12 dB/octave
Open Circuit SensitivityPhantom: -44 dB (6.3 mV) re 1V at 1 Pa Battery: 45 dB (5.6 mV) re 1V at 1 Pa
ImpedancePhantom: 250 ohms Battery: 300 ohms
Maximum Input Sound LevelPhantom: 137 dB SPL, 1 kHz at 1% T.H.D. Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
Dynamic RangePhantom: 113 dB, 1 kHz at Max SPL Battery: 99 dB, 1 kHz at Max SPL
Signal To Noise Ratio70 dB, 1 kHz at 1 Pa
Phantom Power Requirements11-52V DC, 2 mA typical
Battery Type1.5V AA/UM3
Battery Current Life0.4 mA / 1200 hours typical (alkaline)
SwitchFlat, roll-off