1
ECM-44BMP
ECM-77BMP
ECM-166BMP
1. OPERATION
3-860-338-04(1)
Electret Condenser
Microphone
Operating Instructions
Manual de instrucciones
Mode d’emploi
Bedienungsanleitung
General
Type
Electret condenser
Power requirements
3 to 10 V DC (supplied from
an external device, such as a
Sony transmitter)
Current consumption
0.4 mA or less
Cable
ECM-166BMP/122BMP/
121BMP/44BMP:
2.3mm (
3
/
32
inches) dia., 2-
conductor shielded cable
ECM-77BMP: 2mm (
3
/
32
inches) dia., 2-conductor
shielded cable
Cable length
ECM-166BMP/122BMP/
77BMP/44BMP: Approx.
1.2 m (3.9 feet)
ECM-121BMP:
Approx. 0.2 m (7
7
/
8
inches)
Connector
3-pole mini phono plug (3.5
mm (
5
/
32
inches) dia.) with a
lock mechanism
Mass (microphone only, without cable)
ECM-166BMP: Approx. 3.5 g
(0.12 oz)
ECM-122BMP/121BMP:
Approx. 3 g (0.1 oz)
ECM-77BMP: Approx. 1.5 g
(0.05 oz)
ECM-44BMP: Approx. 2 g
(0.07 oz)
English
The ECM-166BMP/122BMP/121BMP/77BMP/44BMP
Electret Condenser Microphone is designed for use with a
transmitter having a 3-pole minijack with a lock mechanism
used in a Sony 800-MHz band wireless microphone system.
Connecting to the Transmitter (See fig.
A
.)
1
Connect the output connector of the microphone to the
input connector of the transmitter.
2
Turn the lock ring to lock.
3
Set the PHASE switch of the transmitter as follows.
ECM-166BMP/122BMP/121BMP: =
ECM-77BMP/44BMP:
φ
Specifications
Dimensions (microphone only)
ECM-166BMP:
12.5 dia.
×
23.5 mm
(
1
/
2
dia.
×
15
/
16
inches)
ECM-122BMP/121BMP:
8.5 dia.
×
17.0 mm
(
11
/
32
dia.
×
11
/
16
inches)
ECM-77BMP:
5.6 dia.
×
12.5 mm
(
1
/
4
dia.
×
1
/
2
inches)
ECM-44BMP:
8.5 dia.
×
14.5 mm
(
11
/
32
dia.
×
19
/
32
inches)
Accessories supplied
Holder clip (1)
Wind screen (1)
Operating Instructions (1)
Performance
Frequency range
ECM-166BMP/122BMP/
121BMP:
100 to 10,000 Hz
ECM-77BMP:
40 to 20,000 Hz
ECM-44BMP:
40 to 15,000 Hz
Directivity
ECM-166BMP: Uni-
directional
ECM-122BMP/121BMP/
77BMP/44BMP:Omni-
directional
Output impedance
2.5 kohms
±
30% at
1000 Hz, unbalanced
Design and specifications are subject to change without notice.
A
POWER
OFF
ON
INPUT
PHASE
SET
CH
AF
RF
BATT
+
–
1
2
3
ECM-166BMP/122BMP/
121BMP/77BMP/44BMP
ECM-166BMP/122BMP/121BMP/ 77BMP/
44BMP
Sony Corporation
1997 Printed in Japan
This section is extracted
from operation manual.
ECM-44BMP/ECM-77BMP/ECM-166BMP
