Earthworks Audio - M30 - 30kHz Measurement Microphone
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Description
"M30"
30kHz Measurement Microphone
Models
M30 - Single
M30mp - Matched Pair
M30mq - Matched Quad
M30BX – Battery Operated with Built-in Preamp - Single
M30BXmp – Battery Operated with Built-in Preamp - Matched Pair
Hyper accurate. Reliable results. Every single time.
The measurement mic if you’re serious about sound.
Used on countless full-scale concert tours, as well as in scientific research laboratories, tropical rainforests, and rocket testing facilities, the M30 has proven to be a lab-grade audio instrument that can handle any environment.
Unparalleled Audio Results at an Affordable Cost.
A flat frequency response that extends from 3Hz to 30kHz, an exceptionally consistent omnidirectional polar response, 140dB SPL rating without distortion and no handling noise.
Consistent Measurements in Any Location
Immune to most temperature and atmospheric fluctuations, the M30 delivers reliable and repeatable results in any environment.
Precision With Your Favorite Measurement Software Electronic Calibration File
Every M30 is individually hand-tuned and tested and is delivered with its own printed frequency response chart. An Electronic Calibration File (ECF) is generated for each microphone during final testing, and can be downloaded free of charge after product registration.
- Handcrafted, Machined, & Assembled in the USA.
Specifications
| FREQUENCY RESPONSE | 3Hz -30kHz ±1/-3dB |
| POLAR PATTERN | Omnidirectional |
| SENSITIVITY | 34mV/Pa (-29dBV/Pa) |
| POWER REQUIREMENTS | 24-48V Phantom, 10mA |
| MAX ACOUSTIC INPUT | 140dB SPL |
| OUTPUT | XLR (pin 2+) |
| OUTPUT IMPEDANCE | 65Ω balanced (between pins 2 & 3) |
| MIN OUTPUT LOAD | 600Ω between pins 2 & 3 |
| NOISE | 20dB SPL equivalent (A weighted) |
| DIMENSIONS (L x D) | 229mm x 22mm (9.0 x .860 inches) |
| WEIGHT | .5 lb. (225g) |
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