ECM-909
Common name: Sony ECM-909
Production Status: Discontinued / Vintage
The ECM-909 is a low-cost stereo microphone commonly sold with the MiniDisc Walkman. The capsule arrangment is MS but is decoded to XY at the output. Alternative recordingangles of 90 & 120° can be selected by a switch which also acts as on/off. The output is unbalanced. The head is 43mm long.
Electrical Characteristics
Frequency Response
Hz - kHz
Output Sensitivity
mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
Powering
Internal battery
Supply Current
mA
Alternative Powering
AA cell
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
3.5 mm stereo jack TRS
Connector notes
Available Colours
Black.
Weight
Length
112 mm
Min diameter width
26 mm
Max diameter
28 mm
Depth
Accessories
Included
Foam windscreen
Optional