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Superlux ECM999 Measurement Microphone

Superlux ECM999 Measurement Microphone

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ECM999 Measurement Microphone

The ECM-999 is an omni-directional microphone for free-field measurement. With a highly-reliable circuit and a 1/4"pre-polarized condenser capsule, it boasts high stability, low distortion, and low noise in performance. Its excellent flat frequency response makes it an ideal candidate for sonic analysis systems and for special recording as well.

Type: Back electret condenser 
Element :Pressure, FET preamplifier 
Polar pattern:Omni 

ecm999 polar

Frequency response: 20 to 20,000 Hz

ecm999 fr 

Sensitivity: -37dBV/Pa (14mV/Pa) 1Pa=94dB SPL (at 1,000 Hz Open Circuit Voltage) 
Rated impedance :200Ω 
Minimum load impedance: 3,000Ω 
Equivalent noise level:(A-weighted) 22dB 
Max. SPL (1 kΩ load) :132dB SPL (THD≦1% 1kHz) 
Dynamic range (1 kΩ Load) :106dB 
Environmental conditions: 
Polarity: Pin 2 output positive voltage (related to pin 3) when diaphragm receives positive pressure. (Diaphragm moving inward) 
Connector: 3 pin male XLR type 
Finish: solemn black finish 
Weight: 150g (5.30 oz.)
Current consumption: 0.5mA
Noise ratio-to-Signal :70 dB 
Power supply :9~52 V Phantom 
Dimensions :Φ21.0x193.0mm (0.83x7,56n.) 
Frequency Response :20~20000Hz

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