Operating Principle: Pressure gradient transducer
Directional Pattern: Bidirectional
Frequency Range: <20 Hz to >20 kHz
Maximum SPL: 165+ dB SPL (1% third harmonic > 1 kHz)
Sensitivity: 1.8 mV/Pa (-55 dBV) into unloaded circuit
Output Impedance: 270 Ω Broadband
Recommended Load Impedance: 1.2k Ω or greater
Phantom Power: Not required or recommended
Polarity: Pin 2 high for positive pressure at the
front of the microphone.
Polar Response: Native bidirectional, figure-of-8 pattern
Horizontal: Up to 90 dB rejection at right angles to the
front/back axis.
Vertical: Level changes with angle of incidence, but
frequency response is consistent.
Transducer Element Material: Pure aluminum corrugated ribbon
Thickness: 1.8 µm
Width: 0.185 in (4.7 mm)
Length: 2.35 in (59.7 mm)
Microphone Dimensions:
Height: 7.5 in (19.1 cm)2.9 in (7.4 cm)
Width: 2.5 in (6.4 cm)
Weight: 2 lbs (0.9 kg)