
6
ECM-88 Series ECM-77 Series ECM-66 Series ECM-55 Series
Model Variations
XLR type
(Supplied with a battery unit and XLR-3-12C type
connector.)
ECM-88B with supplied DC-78 ECM-77B ECM-66B ECM-55B
SMC type
(Supplied with a Sony 4-pin <SMC9-4P> connector.)
ECM-88BC ECM-77BC ECM-66BC —
BMP type
(Supplied with a 3.5 mm diameter, 3-pole mini plug.)
— ECM-77BMP — —
Pigtail type
(Supplied without a connector <pigtail>.)
ECM-88BPT
ECM-88FPT
ECM-77BPT — —
Capsule type Electret Condenser Electret Condenser Electret Condenser Electret Condenser
Frequency response 20 Hz to 20 kHz 40 Hz to 20 kHz 70 Hz to 14 kHz 30 Hz to 18 kHz
Directivity Omni-directional Omni-directional Uni-directional Omni-directional
Sensitivity
(0 dB=1 V/Pa,at 1 kHz)
XLR type −52.0 dB ± 2 dB* −52.0 dB ± 2 dB −50.0 dB ± 2 dB −52.0 dB ± 2 dB
SMC/BMP/Pigtail type −39.0 dB ± 2 dB −39.0 dB ± 2 dB −36.5 dB ± 2 dB —
Output impedance
at 1 kHz
XLR type 100 ± 20% (balanced)* 150 ± 20% (balanced) 100 ± 20% (balanced) 100 ± 20% (balanced)
SMC/BMP/Pigtail type 2.5 k ± 30% (unbalanced) 2.5 k ± 30% (unbalanced) 2.5 k ± 30% (unbalanced) —
Dynamic Range 99 dB or more 90 dB or more 101 dB or more 98 dB or more
Signal-to-noise ratio (A-weighted, 1 kHz, 1 Pa.) 68 dB or more 64 dB or more 65 dB or more 66 dB or more
Inherent noise (0dB SPL = 2E-5 Pa.) 26 dB SPL or less 30 dB SPL or less 29 dB SPL or less 28 dB SPL or less
Wind noise (with windscreen, at 2m/s)
(0 dB SPL = 2E-5 Pa.)
45 dB SPL or less 40 dB SPL or less 50 dB SPL or less 40 dB SPL or less
Induction noise from external magnetic eld
(dB SPL/1E-7 T, 0 dB SPL = 2E-5 Pa.)
5 dB SPL or less 5 dB SPL or less 5 dB SPL or less 5 dB SPL or less
Maximum input sound pressure level (0 dB SPL = 2E-5 Pa.) 125 dB SPL 120 dB SPL 130 dB SPL 126 dB SPL
Power supply
(XLR type only)
Battery IECR6 or LR6* IECR6 or LR6 IECR6 or LR6 IECR6 or LR6
Battery life (LR6) Approx.6000 h* Approx.6000 h Approx.400 h Approx.6000 h
External power DC 12 to 48 V* DC 12 to 48 V DC 24 to 48 V DC 12 to 48 V
Power requirements XLR type DC 1.5 V* DC 1.5 V DC 1.5 V DC 1.5 V
SMC/BMP/Pigtail type DC 1.1 to 10.0 V DC 1.1 to 10.0 V DC 1.1 to 10.0 V —
Current drain XLR type (internal battery) 0.3 mA or less* 0.3 mA or less 3.5 mA or less 0.3 mA or less
XLR type (external battery) 2 mA or less* 2 mA or less 2 mA or less 2 mA or less
SMC/BMP/Pigtail type 0.4 mA or less 0.4 mA or less 0.4 mA or less —
Cable length XLR type 8.2 feet (2.5 m) 9.8 feet (3.0 m) 9.8 feet (3.0 m) 9.8 feet (3.0 m)
SMC/BMP type 3.9 feet (1.2 m) 3.9 feet (1.2 m) 3.9 feet (1.2 m) —
Pigtail type 8.2 feet (2.5 m) 9.8 feet (3.0 m) — —
Dimensions Microphone head 5/32 x 5/32 x 11/16 inch
(3.5 x 3.5 x 16.8 mm)
Clip attachment area:
5/32 inch (3.9 mm) diameter
1/4diameter x 1/2inch
(5.6 diameter x 12.5 mm)
7/16 diameter x 31/32 inch
(10.6 diameter x 24.2 mm)
7/16 diameter x 27/32 inch
(10.6 diameter x 21 mm)
Power unit (XLR type only) 13/16 diameter x 5 3/4inches
(20.0 diameter x 144 mm)
13/16 diameter x 5 1/4inches
(20.0 diameter x 133 mm)
13/16 diameter x 6 1/2inches
(20.0 diameter x 163 mm)
13/16 diameter x 5 1/4inches
(20.0 diameter x 133 mm)
Weight Microphone head only 0.02 oz (.6 g) 0.05 oz (1.5 g) 0.25 oz (7 g) 0.23 oz (6.5 g)
Total XLR type 5.7 oz (162 g) 4.3 oz (122 g) 5.9 oz (167 g) 4.5 oz (127 g)
SMC type 0.7 oz (22 g) 0.8 oz (23 g) 1.1 oz (30 g) —
BMP type — 0.6 oz (17 g) — —
Pigtail type 0.7 oz (20 g) 0.9 oz (26 g) — —
Supplied accessories Single/Horizontal type tie clip
(x1)*2,
Single/Vertical type tie clip
(x1)*2,
Double/Horizontal type tie clip
(x1)*3,
Urethane type windscreen
(x1)*2,
Microphone case (x1)*3,
Operating instructions (x1),
Ferrite clamp (x1)
Single/Horizontal type tie clip
(x1)*4,
Single/Vertical type tie clip
(x1)*4,
Double/Horizontal type tie
clip (x1),
Metal-mesh type windscreen
(x1),
Microphone case (x1)*4,
Operating instructions (x1)
Single/Horizontal type tie
clip (x1),
Single/Vertical type tie clip
(x1)*5,
Urethane type windscreen (x1),
Microphone case (x1),
Operating instructions (x1)
Single/Horizontal type tie
clip (x1),
Single/Vertical type tie clip (x1),
Double/Horizontal type tie
clip (x1),
Metal-mesh type windscreen
(x1),
Microphone case (x1),
Operating instructions (x1)
*1 ECM-88B used with the supplied DC-78 battery unit.
*2 ECM-88FPT is not supplied with mic accessories.
*3 Double / Horizontal type tie clip and microphone case are supplied with ECM-88B only.
*4 Single / Vertical type tie clip,Double / Horizontal type tie clip, and microphone case are supplied with ECM-77B only.
*5 Single / Vertical type tie clip and microphone case are supplied with ECM-66B only.
SPECIFICATIONS