1
ECM-Z37C
SERVICE MANUAL
General
Type
Electret condenser microphone
Microphone cord
1.5 mm dia. single core-shielded, OFC (Oxygen-free copper)
cord with the gold-plated L-shaped miniplug
Length: Approx. 30 cm (11
7/8
inches)
Dimensions
Approx. 46
×
122
×
36.5 mm (W
×
H
×
D)
(1
13/16
×
4
7/8
×
1
7/16
inches) (without the projecting parts)
Mass
Approx. 44 g (1 lb 6 oz) including battery and cord
Supplied accessories
Wind screen (1)
Extension arm (1)
Carrying case (1)
Performance
Frequency response
100 - 10,000 Hz
Output impedance
2.2 kilohm ± 30 %
Sensitivity
Open circuit output level*
1
: – 41 ± 3.5 dB (8.9 mV)
Power requirements
Lithium battery CR2025
Continuous lasting hours: Approx. 300 hours
Plug-in power
Maximum input sound pressure level*
2
More than 105 dB
SPL
Dynamic range
More than 79 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
4 % 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
US Model
Canadian Model
AEP Model
E Model
ELECTRET CONDENSER MICROPHONE
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-927-983-11
2001B0400-1
© 2001. 2
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.
