The PRM1 Precision Reference Microphone is a special type of condenser microphone that provides an accurate reproduction of a room’s sound characteristics for use with audio-analysis tools such as real-time analyzers (RTAs) and spectrographs. ¼-inch, pre-polarized electret-condenser capsule Linear frequency response between 20 Hz and 20 kHz Omnidirectional polar pattern Low noise, low distortion All-metal […] Read more The PRM1 Precision Reference Microphone is a special type of condenser microphone that provides an accurate reproduction of a room’s sound characteristics for use with audio-analysis tools such as real-time analyzers (RTAs) and spectrographs. ¼-inch, pre-polarized electret-condenser capsule Linear frequency response between 20 Hz and 20 kHz Omnidirectional polar pattern Low noise, low distortion All-metal chassis Comes with a clip, foam windscreen, and hard case High-quality components and rugged construction Suitable for system analysis and measurement Especially recommended for use with PreSonus StudioLive mixers and VSL with Smaart® Measurement Technology General Specifications Type Black electret condenser Element Pressure, FET preamplifier Polar Pattern Omnidirectional Connections Polarity Pin 2 output positive voltage (relative to Pin 3) when diaphragm receives positive pressure (moves inward) Connector 3-pin XLR Male Performance Frequency Response 20 Hz to 20 kHz Sensitivity (@ 1 kHz open-circuit voltage) -37 dB/Pa (14 mV/Pa) 1 Pa=94 dB SPL Rated Impedance 200Ω Minimum Load Impedance 1,000Ω EIN (A-weighted) 26 dB Max. SPL (1 kΩ load) 132 dB SPL (THD ≤ 1%, 1 kHz) Dynamic Range (1 kΩ load) 106 dB S/N Ratio 70 dB Power Phantom Power 9-52V Current Consumption 2 mA Physical Length 7.56″ (192 mm) Width 0.83″ (21 mm) Weight 5.3 oz (150g) Finish Metal, matte black Environmental Conditions 10-50˚ C, humidity 0-95%
