Model Number
377A07
PRECISION CONDENSER MICROPHONE
Revision: B
ECN #: 47338
[4]
Performance
ENGLISH
SI
Nominal Microphone Diameter
1/2"
1/2"
Frequency Response Characteristic(at 0° incidence)
Free-Field
Free-Field
Open Circuit Sensitivity
50 mV/Pa
50 mV/Pa
[3]
Open Circuit Sensitivity
(± 1.5 dB)
-26 dB re 1 V/Pa
-26 dB re 1 V/Pa
[3]
Frequency Range(± 2 dB)
0.07 to 20,000 Hz
0.07 to 20,000 Hz
Frequency Range
(± 1 dB)
0.1 to 10,000 Hz
0.1 to 10,000 Hz
Lower Limiting Frequency(-3 dB)
0.01 to 0.05 Hz
0.01 to 0.05 Hz
Resonant Frequency(90° Phase Shift)
10.4 kHz
10.4 kHz
[1]
Inherent Noise
15 dB(A) re 20
µPa
15 dB(A) re 20 µPa
[1]
Dynamic Range(3% Distortion Limit)
147 dB re 20 µPa
147 dB re 20 µPa
[1]
Standards Designation(IEC 61094-4)
WS2F
WS2F
Environmental
Temperature Range(Operating)
-40 to +248 °F
-40 to +120 °C
Temperature Coefficient of Sensi14 to +122°F (-10 to +50°C))
0.005 dB/°F
0.009 dB/°C
[1][3]
Static Pressure Coefficient
-0.01 dB/kPa
-0.01 dB/kPa
[1][3]
Humidity Coefficient of Sensitivity(0 to 100%, non-condensing)
± 0.001 dB/%RH
± 0.001 dB/%RH
[3]
Influence of Axial Vibration(0.1g (1 m/s²))
63 dB re 20 µPa
63 dB re 20 µPa
[1]
Electrical
Capacitance(Polarized)
12 pF
12 pF
[1]
Polarization Voltage
0 V
0 V
[2]
Physical
Housing Material
Stainless Alloy
Stainless Alloy
Venting
Rear
Rear
Mounting Thread(Preamplifier)
0.4606 - 60 UNS
11.7 mm - 60 UNS
Mounting Thread
(Grid)
0.5 - 60 UNS
12.7 mm - 60 UNS
Size (Diameter x Height)(with grid)
0.52 in x 0.64 in
13.2 mm x 16.2
mm
Size (Diameter x Height)
(without grid)
0.5 in x 0.6 in
12.7 mm x 15.3
mm
Weight
0.28 oz
7.8 gm
[1]
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.
ICP
®
is a registered trademark of PCB Group, Inc.
OPTIONAL VERSIONS
Optional versions have identical specifications and accessories as listed for the standard model
except where noted below. More than one option may be used.
NOTES:
[1] Typical.
[2] Prepolarized
[3] re 250 Hz
[4] See PCB Declaration of Conformance PS167 for details.
SUPPLIED ACCESSORIES:
Model ACS-20 Calibration of Precision Condensor Microphones (1)
Entered: LK
Engineer: MT
Sales: MV
Approved: MT
Spec Number:
Date: 10/20/2017
Date: 10/20/2017
Date: 10/20/2017
Date: 10/20/2017
59959
3425 Walden Avenue, Depew, NY 14043
Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: [email protected]
