MK 231 E 1/2“ Microphone Capsule for random incidence sound field • WS2D acc. IEC 61094-4 • random incidence • 3,5 Hz to 16 kHz • 15 dBA to 149 dB • prepolarized The 1/2“ microphone capsule MK 231 E has a random incidence response and is therefore optimized for correct measurements in diffuse and reverberant sound fields or in acoustic couplers. The equalization of the static air pressure is by means of a capillary to the preamplifier (rearvented). The microphone capsule is suitable for sound level meters of Type 1 acc. IEC 61672. Delivery Microphone capsule, nickel in wooden case 90 mm x 90 mm x 40 mm Options and Accessories Electrostatic actuator instead of standard protection grid Adapter for 1/2“microphone capsules to 1/4“preamplifiers Angle adapter 1/2“ Dehumidifier adapter 1/2“ Wind

Technical Specifications Transducer type Frequency range random incidence Frequency range pressure response Open-circuit sensitivity Open-circuit sensitivity Max. SPL for 3% THD at 1 kHz Inherent noise Polarization voltage Capacitance at 1 kHz Temperature range, operation Temperature coefficient Static pressure coefficient Diameter Capacitive pressure transducer 3.5 Hz to 16 kHz re 1 V/Pa Peak, with MV 204 @ 120 V RMS, with MV 204 @ 120 V with MV 204 without protection grid with protection grid Length Weight Preamplifier thread Protection grid thread Typical frequency response: 1 random incidence,...