Accurate MeasurementPreSonus PRM1: Precision Reference Microphone
A professional measurement tool.The PRM1 Precision Reference Microphone is a special type of microphone that provides an accurate reproduction of a room’s sound characteristics for use with audio-analysis tools. It employs a ¼”, pre-polarized electret-condenser capsule with an omnidirectional polar pattern, which allows the microphone to measure reflections, as well as direct signals up to 132 dB SPL. The PRM1 has an all-metal chassis and 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 tuning a sound system to perform accurately in a venue. 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.
Designed for use with Smaart and other audio analysis tools.While the PRM1 can be used for a variety of measurement applications, such as MLSSA™, Spectrafoo™, and TEF™, it is especially recommended for use with the Smaart® System Check wizards that are integrated into PreSonus® UC Surface control software for StudioLive® AI and StudioLive RM mixers. With this combination, you can have a complete, powerful, and affordable, audio-analysis and correction system.
FEATURES
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
SPECS
General
Type: Black electret condenser
Element: Pressure, FET preamplifier
Polar Pattern: Omnidirectional
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
Connections
Polarity: Pin 2 output positive voltage (relative to Pin 3) when diaphragm receives positive pressure (moves inward)
Connector: 3-pin XLR Male
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%
As a commitment to constant improvement, PreSonus® Audio Electronics, Inc., reserves the right to change any specification stated herein, at any time, without notification.

VINCENT BACH FRENCH HORN HUULIK STANDARD SERIE 336 SILVER MOD. 7
YAMAHA F370 TBS AKUSTILINE KITARR
FENDER 2019 LIMITED EDITION AMERICAN PERFORMER TELECASTER MN BUTTERSCOTCH BLONDE
WITTNER TAKTELL PICCOLO BLACK METRONOOM 836
YAMAHA YVS-140 TENOR VENOVA PUHKPILL
GIBRALTAR SC-SAT ACCESSORY TABLE
FENDER VINTERA II 50S STRATOCASTER IN 2 TONE SUNBURST
VIC FIRTH AS5B AMERICAN SOUND TRUMMIPULGAD
SENNHEISER XSW 1-835
NEUTRIK NL4FX
ERNIE BALL .030 WOUND ÜKSIK KEEL
FENDER TELE CONTROL PLATE CHROME
ELECTRO HARMONIX BASS MONO SYNTH
ADAM SUB10 MK2
MEINL CASTANET MACHINE
NINO AFRICAN DJEMBE XX SMALL
AKG WMS40 MINI VOCAL KOMPLEKT BD ISM3
JACKSON JS-32 DINKY SNOW WHITE ELEKTRIKITARR VAHER FINGERBOARD
YAMAHA FG800II AKUSTILINE KITARR SANDBURST
DADDARIO ACCESSORIES PWCT17BK ECLIPSE TUNER MUST
ERNIE BALL .048 WOUND ÜKSIK KEEL
KLOTZ TM.STEVENS FUNKMASTER ANGLED 6M
GÖLDO VINTAGE BONE BRIDGE INLAY, 90X7,5X2,2MM
EVANS 10 ONYX 2-PLY KAETUD
HAGSTROM ULTRAMAX FALL SKY SATIN
NINO PERCUSION STEEL TONGUE TRUMM, SMALL, SININE
K&M ADJUSTABLE STUDIO NEAR-FIELD MONITOR STATIIV MUST
MEINL NINO552 TRIANGLE
GRAPHTECH BLACK TUSQ XL PT-1215-00 BASS NUT CURVED BOTTOM SLOTTED 4-KEELNE
STAGG 926BK MALE XLR
PROTECTION RACKET 1620 BASSTRUMMI KOHVER
BOSS AB2 A/B SELECTOR
ERNIE BALL .024 PLAIN ÜKSIK KEEL
PATAREI CR2025
AHEAD REPLACEMENT RING FOR 5A/7A MUST
EVANS EC2S KAETUD 8 IN.
IBANEZ GRX70QA-TRB GIO TRANSPARENT RED SUNBURST
MEINL NINO37 KÄSITRUMM
DADDARIO ACCESSORIES TUNER UP BRACKET
SHURE BLX14/SM31 FITNESS HEADSET WIRELESS SYSTEM M17
LINE6 POCKET POD
ROLAND KOTT FOR FR1 AKORDION
SHURE SM58LCE DÜNAAMINILE MIKROFON
YANAGISAWA BB-TENORSAXOPHON T-WO1
IBANEZ CS MINI CHORUS
STAGG MUSA4BK FOLDABLE MUSIC STAND
SHURE BETA58A
YAMAHA DUSTCOVER DC210
PEARL CH-830 CYMBAL BOOM UNILOCK TILTER
ERNIE BALL .042 EARTHWOOD ÜKSIK KEEL
STAGG CTUC5BK CLIP-ON TUNER
STAGG PROFESSIONAALNE DJ DESKTOP STATIIV DJSLT10
HOHNER SILVER STAR F-MAJOR SUUPILLID
JACKSON RRX24MN X SEERIA RHOADS SNOW VALGE
EVANS 14 GENERA KAETUD SOOLO HEAD
FENDER JV MODIFIED 50S STRATOCASTER HSS 2-COLOR SUNBURST
IBANEZ TS808 TUBE SCREAMER
K&M 21337 DISTANCE ROD
GEWA ÕPILASE VIIULI POOGEN 1/4
TAYLOR 412CE V-CLASS
DADDARIO ACCESSORIES PWCT17GN ECLIPSE TUNER ROHELINE
HOHNER MARINE BAND 1896 C-HARMONIC MINOR SUUPILLID
EVANS 10 GENERA G1 KAETUD TOM HEAD
STERLING SILO20BK
SHURE SM57LCE DÜNAAMILINE MIKROFON 