Earthworks M23R 23kHz Reference Measurement Microphone
Brand
Earthworks Audio
Looking for reference-grade precision and enhanced mechanical stability for acoustic system tuning and room analysis? The Earthworks M23R is a heavy-duty omnidirectional measurement microphone specifically designed for high-precision field test and measurement applications using SMAART, REW, and other acoustic alignment software.
Achieve absolute data integrity, laser-sharp acoustic analysis, and reference-grade precision with the Earthworks M23R Reference Measurement Microphone. Built as an evolution of industry standards, this high-definition free-field omnidirectional condenser microphone is meticulously engineered for critical acoustic measurements, advanced room correction, loudspeaker design, and professional sound system tuning.
Why Choose the Earthworks M23R Measurement Microphone?
Acoustical testing requires uncompromised accuracy across both time and frequency domains. The Earthworks M23R eliminates calibration guesswork by offering an exceptionally tight factory-matched tolerance. Every single M23R unit is manufactured and matched to within ±0.5dB across its entire operating range. Combined with a near-perfect omnidirectional polar pattern and lightning-fast impulse response, it captures the raw, uncolored reality of any acoustic space without phase smearing or off-axis coloration.
Key Performance Features
- Ruler-Flat Frequency Response: Delivers an ultra-linear response from 3Hz up to 23kHz with an incredible ±0.5dB tolerance specification.
- Infinitely Matched Series: Every M23R shares identical frequency response and sensitivity characteristics, meaning any unit matches any other now and forever without strict reliance on Electronic Calibration Files (ECFs).
- True Omnidirectional Directivity: Provides flawless 360-degree pickup consistency, ensuring accurate sound pressure level capture regardless of capsule orientation.
- Lightning-Fast Transient Speed: Rapid impulse response translates micro-dynamics and complex waveforms accurately for advanced analysis platforms like SMAART or Meyer SIM.
- High SPL Handling: Safely manages up to 140 dB SPL, allowing direct measurement right in front of high-output loudspeakers or high-pressure sound reinforcement rigs.
- Rugged Stainless Steel Build: Precision-machined from high-grade stainless steel to endure the rigors of field engineering, touring, and permanent lab installations.
Technical Specifications
| Microphone Type | Free-Field Reference Measurement Condenser |
|---|---|
| Polar Pattern | Omnidirectional |
| Frequency Response | 3Hz – 23kHz (±0.5 dB) |
| Sensitivity | 36mV/Pa (-28.9 dBV/Pa) |
| Matching Tolerance | ±0.5 dB across frequency response & sensitivity |
| Max Acoustic Input | 140 dB SPL |
| Signal-to-Noise Ratio | 20 dB SPL equivalent (A-weighted) |
| Power Requirements | 24–48V Phantom Power, 10mA |
| Output Impedance | 65Ω balanced (between pins 2 & 3) |
| Dimensions & Weight | Length: 6.25" (165mm) x Diameter: 0.86" (22mm); Weight: 0.35 lbs (160g) |
Ideal Applications
Engineered for professional acoustic consultants, system integrators, live sound engineers, and acoustical testing labs across Dubai, Abu Dhabi, and the UAE, the Earthworks M23R provides the definitive standard of measurement reliability, precise room calibration, and loudspeaker optimization.
| Brands | Earthworks Audio |
|---|
