ECM-77
Common name: Sony ECM-77
Production Status: In production
The ECM-77 is an omnidirectional electret condenser lavalier microphone with ultra miniature microphone head, available in eight versions:
ECM-77S/ECM-77B with in-line battery unit for 2-way powering (2.5mV/a sensitivity); ECM-77SC/ECM-77BC/ECM-77FC terminating in a SMC9-4P connector for use with the Sony wireless transmitter; ECM-77BPT/ECM-77FPT terminating in a pigtail connection, without battery unit or connector; ECM-77BMP terminating in a 3 pole mini plug for use with the Sony Freedom series wireless transmitter
Electrical Characteristics
Frequency Response
40Hz - 20 kHz
Output Sensitivity
11 mV/Pa
Max SPL
120
Max SPL, THD:
1
Self Noise (CCIR)
30 dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
150Ω
Recommended Load
Powering
Supply Current
0.4 mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Pigtail SMC9 - 4P3-pole mini plug.
Available Colours
Black, silver, beige
Weight
122 g
Length
12.5 mm
Min diameter width
Max diameter
5.6 mm
Depth
Accessories
Included
Horizontal clip, vertical clip, wind screen, case
Optional