User Manual

©2004-2022SonyCorporation.Allrightsreserved.
Reproductioninwholeorinpartwithoutwrittenpermissionis
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withoutnotice.Thevaluesformassanddimensionare
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respectiveowners.
2
Features
Designed for high quality voice pick-upDesigned for high quality voice pick-up
TheECM-77'scapsulefeaturesavoiceemphasiscurve,
extendedfrequencyresponseandsensitivity.
Minute sizeMinute size
Thecapsulehasadiameterofonly5.6mmandis
12.5mmlong.
Ready for other systemsReady for other systems
TheECM-77BPTversionissuppliedwithpre-solderwire
ends,allowingaconvenientsolutionforinterfacingthe
microphonewithothertypesofconnectors.
Specifications
AudioSection
CapsuleType ElectretCondenser
Frequency
Response
40Hzto20kHz
Directivity Omni-directional
Sensitivity*[1] -39.0dB(11.2mV)
OutputImpedance
*[2]
2.5kΩ±30%,Unbalanced
DynamicRange 90dBormore
Signal-to-Noise
Ratio*[3]
64dBormore
InherentNoise*[4]
30dBSPLorless
InductionNoise
FromExternal
MagneticField*[5]
5dBSPLorless