PreSonus PRM1 Precision Reference Condenser Microphone (PRM1)


¼-Inch, pre-polarized electret-condenser capsule
Linear frequency response between 20 Hz and 20 kHz
Omnidirectional polar pattern
Maximum SPL 132 dB SPL
Sensitivity = -37 dB/PA, EIN (A-weighted) = 26 dB, S/N ratio = 70 dB, dynamic range = 106 dB
All-metal chassis
Comes with a clip, foam windscreen, and hard case

What makes the PRM1 different from most mics?
Unlike mics you use for recording and live sound, the PRM1 has a narrow dynamic range, since it is intended to receive test frequencies, such as pink noise, at a fixed level. As a result, it is not recommended for recording or performance—but it’s the right mic for analyzing a sound system’s performance. The PRM1 exhibits linear (“flat”) frequency response between 20 Hz and 20 kHz, meaning it captures all frequencies equally within that range. Since it neither boosts nor cuts frequencies, it doesn’t color the sound, making it ideal for measuring what a room or speaker is doing to a sound system’s outgoing signal.

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