Omnidirectional BackElectretCondenserMicrophoneCartridge
WM
WM-
-61A
61A
●Smallmicrophoneforgeneraluse
●Backelectret typedesignedforhighresistancetovibrations,
●Highsensitivity,highsignaltonoiseratio
●Soldertypeforleadwires
Mic Capsule
+Vs
Output
FET Impedance
converter
Ground
Vs=2.0V
RL=2.2kΩ
-30
-20
-10
0
+10
+20
20 50 100 200 500 1k 2k 5k 10k 20k
Fr equency [ Hz]
Rela
tiveRes
ponse[dB]
-30
-20
-10
0
+10
+20
20 50 100 200 500 1k 2k 5k 10k 20k
Fr equency [ Hz]
Rela
tiveRes
ponse[dB]
■Appearance ■DimensionalDrawing
■SchematicDiagram ■TypicalFrequencyResponseCurve
2.2kΩ
Term.1Output
Term.2Ground
Term.1Output
Term.2Ground
Term.1Output
Term.2Ground
3.4
Φ6.0
3.4
Φ6.0
Unit:mm
１μF
（0dB=1V/Pa, 1kHz）
■Sensitivity Sensitivity
-35+/-4dB WM-61A
ModelNo.
6x3.4 mm
Lessthan2.2kΩ
Omnidirectional
20-16,000Hz
10V
2V
Max0.5mA
Within-3dBat1.5V
Morethan62dB
Dimensions
Impedance
Frequency
Maxoperationvoltage
Standardoperationvoltage
Currentconsumption
Sensitivityreduction
S/Nratio
Specifications
Specificationsaresubjecttochangewithoutnotice.