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Sony ECM-K120 Service Manual
Sony ECM-K120 Service Manual

Sony ECM-K120 Service Manual

Electret condenser microphone

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General
Type
Electret condenser microphone
Microphone output plug
|
L-shaped miniplug
Battery
Alkaline-manganese battery IEC
designation LR44
Dimensions
$36 X47 X137.5mm(w/h/d)
Weight
Approx. 43g(1.520z)
Supplied accessories
Double-plug
connecting
cord (1)
_ Single-plug connecting cord (1)
\
Sony Alkaline-manganese battery
LR-44
|
Carrying case (1)
Performance
|
Frequency response
Narrow angle : 300—8,000Hz
Uni-directional : 200—10,000Hz
Omni-directional : 150—15,000Hz
Output impedance
4000+30% unbalanced
Output level (deviation+4dB)
Open circuit
|
voltage*?
Uni-directional
-64 dB
*10dB=1V/1ubar, 1,000Hz
MICROFILM
~ SERVICE MANUAL
Wind Screen
E Model
Power Switch
Directivity
Camera Shoe
Selector
SPECIFICATIONS
Power requirements
Normal operating voltage: 1.5V
Current drain: Less than imA
Battery life : Apporx.100 hours with
Sony LR44
Maximum sound pressure input level*?
More than 100dB SPL
*2The mean value is taken and
converted to the equivalent input sound
level. OdB SPL=2X10-'
bar
|
Environmental temperatures
0°C to +60°C (+32°F to +140°F) for
operation
FEATURES
3 types of directivity to pick up sounds are.
selectable.
Vibration-resistant construction reduces the
contact noise or vibration noise from the -
camera recorder.
|
|
This unit can operate on external power
supplied from a video camera recorder.
ELECTRET CONDENSER MICROPHONE

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