1/4 inch microphone overview
Type | MI15 | MI19 | RG-50 | MI17 | MI21 |
|---|---|---|---|---|---|
Sensitivity | 50 mV/Pa ± 0.5 dB | 50 mV/Pa ± 0.5 dB | 50 mV/Pa ± 0.5 dB | 50 mV/Pa ± 0.5 dB | 50 mV/Pa ± 0.5 dB |
Frequency response | 20Hz – 4kHz ± 0.5dB 4kHz – 20kHz ± 1.5 dB | 20Hz – 4kHz ± 0.5dB 4kHz – 20kHz ± 1.5 dB | 5Hz – 4kHz ± 0.5dB 4kHz – 20kHz ± 1.5 dB | 20Hz – 4kHz ± 0.5dB 4kHz – 20kHz ± 1.5 dB | 20Hz – 4kHz ± 0.5dB 4kHz – 20kHz ± 1.5 dB |
Inherent noise (lin: 20Hz-20kHz) (“A”- weighted) | approx. 30 dB (20 µPa) approx. 26 dB (20 µPa) | approx. 33 dB (20 µPa) approx. 29 dB (20 µPa) | approx. 30 dB (20 µPa) approx. 26 dB (20 µPa) | approx. 30 dB (20 µPa) approx. 26 dB (20 µPa) | approx. 30 dB (20 µPa) approx. 26 dB (20 µPa) |
SPL Peak (5% Dist.) | 130 dB | 130 dB | 130 dB | 130 dB | 130 dB |
Constant Current Supply | IEPE 2-8 mA | IEPE 2-8 mA | IEPE 2-20 mA | IEPE 2-8 mA | IEPE 2-8 mA |
Internal resistance | 50 Ω | 50 Ω | 50 Ω | 50 Ω | 50 Ω |
Dimensions Total length | 65 mm | 84 mm | 93 mm | 93 mm | 84 mm |
Tube diameter | 7 mm | 7 mm | 8 mm | 8 mm | 7 mm |
Connector | BNC (Ms/Ni) | BNC (Ms/Ni) | BNC (Ms/Ni) | BNC (Ms/Ni) | BNC (Ms/Ni) |
Weight | 15 Gram | 20 Gram | 23 Gram | 23 Gram | 20 Gram |
Material (housing) | stainless steel 1.4305 | stainless steel 1.4305 | stainless steel 1.4305 | stainless steel 1.4305 | stainless steel 1.4305 |
Scope of delivery | Calibration Certificate | Calibration Certificate WS-RG-40 Windscreen | Calibration Certificate WS-RG-40 Windscreen | Calibration Certificate WS-RG-40 Windscreen | Calibration Certificate WS-RG-40 Windscreen IP55 |
Options | WS-RG-30 Windscreen | SW IP55 Splash-Proof | SW IP55 Splash-Proof |