1
Ver 1.0 2001. 03
SERVICE MANUAL
US Model
Canadian Model
E Model
ECM-S930C
General
Type
Stereo (employing the X-Y stereo system),
electret condenser microphone
Microphone cord
2.2 mm dia. two core-shielded,
OFC (Oxygen-free copper) cord with the
gold-plated L-shaped stereo miniplug
Length: Approx. 30 cm (11
7/8
inches)
Dimensions
Approx. 55
×
34
×
40 mm (W
×
H
×
D)
(2
1/4
×
1
3/8
×
1
5/8
inches)
(without the projecting parts)
Mass
Approx. 40 g (1 lb. 4 oz.)
including battery and cord
Supplied accessories
Carrying case (1)
Performance
Frequency response
100 – 15,000 Hz
Directivity
Unidirectional
×
2 (Directive angle: 90° or 120°) (switchable)
Output impedance
2.2 kilohm ±30 %
Sensitivity
Open circuit output level
*1
: –43 ±4 dB (7 mV)
Difference between L and R channel sensitivity:
Less than 3 dB
Power requirements
Lithium battery CR2025
Continuous lasting hours: Approx. 350 hours
Plug-in power
Maximum input sound pressure level
*2
More than 110 dB
SPL
Dynamic range
More than 84 dB
Operating temperature range
0°C to 40°C (32°F to 104°F)
*1
0 dB=1 V/Pa, 1,000 Hz (1 Pa=10 µbar=94 dB
SPL
)
*2
1 % wave distortion is present at 1,000 Hz
(0 dB
SPL
=2
×
10
-5
Pa)
Design and specifications are subject to change without
notice.
SPECIFICATIONS
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-927-989-11
2001C0400-1
© 2001. 3
ELECTRET CONDENSER MICROPHONE
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
