Specifications

AUDIO
EQUIPMENT
–295–
3-1 Wired Microphones
ECM-44 Series
Lavalier Microphones
•8.5 mm dia. x 14.5 mm (
11
⁄32 inch dia. x
19
⁄32 inch),
2 g (0.07 oz) microphone head •Excellent cost/performance
ratio •AA-size battery operation
ECM-44B (Black)
•Complete with in-line battery unit
ECM-44BC (Black)
•Fitted with a 1.2 m cable terminating in a SMC9-4P
connector for use with the Sony wireless transmitter
ECM-44BPT (Black)
•Pigtail connection, without battery unit or connector
ECM-44BMP (Black)
•Fitted with a 1.2 m cable terminating in a 3-pole mini plug for
use with the Sony wireless transmitter
-20
-10
0
+10
20 50 100 200 500 1k 2k 5k 10k 20k
+20
Response (dB)
Frequency (Hz)
Frequency Response Characteristics
90°
0°
180°
0°
30°
60°
90°
120°
150°
180°
150°
30°
60°
90°
120°
OdB
-5
-10
-15
-20
Directivity Characteristics
Omni-Directional
100Hz/1KHz
3KHz
10KHz
ECM-55 Series
Lavalier Microphones
•10.6 mm dia. x 21 mm (
7
⁄16 inch dia. x
27
⁄32 inch), 6.5 g
(0.2 oz) microphone head •Frequency response tailored for
enhanced presence and improved voice quality in lavalier
applications •2-way powering — AA-size battery or external
power supply (DC 12 V to 48 V)
ECM-55B (Black)
•Complete with in-line battery unit for 2-way powering
ECM-55BC (Black)
•Fitted with a 1.2 m cable terminating in a SMC9-4P
connector for use with the Sony wireless transmitter
ECM-55BPT (Black)
•Pigtail connection, without battery unit or connector
0°
30°
60°
90°
120°
150°
180°
150°
30°
60°
90°
120°
OdB
-5
-10
-15
-20
-20
-10
0
+10
20 50 100 200 500 1k 2k 5k 10k 20k
+20
Response (dB)
Frequency (Hz)
Frequency Response Characteristics
Directivity Characteristics
90°
0°
180°
Omni-Directional
100Hz
1KHz
3KHz
10KHz