ECM-888B ECM-999 ECM999 1/2" standard measurement microphone for room sonic ysis syst,measurement,testing and

superlux ECM999 Details:ECM-999 is a non-directional free-field measuring microphone. It uses 1/4 inch pre-polarized condenser Ondo, highly reliable circuit profeionally designed to e the microphone with high stability, low distortion, low noise. Especially the extremely flat frequency response curve is one of the preferred microphone audio ysis syst and all kinds of special sFeatureMetal structures, calm black coatingVery flat frequency response, excellent acoustic propertiesSuitable for indoor audio ysis syst, and a variety of tests, test tones and sound Standard measuring 1/2 inch in diameterTechnical Data :Type a back electret condenser microphonePrinces of sound field typeRefers to the point of noFrequency response 20 ~ 20000HzSensitivity -37dBV / Pa (14mV / Pa)Nominal impedance 200ΩThe minimum load impedance 1000ΩEquivalent noise level 24dB (A-weighted IEC / DIN 651)Maximum SPL 132dB (THD 1% 1000Hz)70dB signal to noise ratio108dB dynamic rangePower supply 9 ~ 52V powerCurrent consumption 2mAGold-plated 3-pin XLR connector plug connectorExterior Color BlackDimensions maximum diameter of 21mm (0.83 ") x193mm (7.6")Weight 150 grams (5.3 ounces)

ECM888BFeatures*1/4 "measurement microphone*Industry standard 1/4 "size, 6V battery-powered measurement microphone suitable for real-time spectrum yzer and the *PC as a tool to measure the work, the frequency response is flat, broad band is also suitable for *Metal structures, gold coating*Very flat frequency response, excellent electro-acoustic characteristics*Suitable for indoor audio ysis syst, and a variety of test, measurement and *Using 4LR44 (6V) battery-powered, over 200 hours of continuous use, easy to mix the use of spectrum yzerSpecificationsOndo: back electret, 6mm (0.24 ")Point: No pointFrequency response: 20-20,000 HzSensitivity: -48 dBV / Pa (4 mV)Impedance: 800ΩMinimum load: 3KΩSignal to Noise Ratio: 72 dBEquivalent Noise SPL: 22 dBMaximum SPL SPL: 132 dBDynamic range: 110 dBPower requirements: Battery 6V 4LR44, 0.5 mA,> 200 hoursSurface Coating: SilverConnector: XLR3MDimensions: 21 × 170 mm (0.83 "× 6.7")Weight: 150 g (5.3 oz), without batteriesAccompanying acceories: H2 shock frame, YA2 conversion nuts, 4LR44 6V batteryPacking: A1 portable boxes, paper sleeveFeatures: measurementNOTE:As it is forbidden for air mail shipping,the battery is not included.