Model Number
377A15
PRECISION CONDENSER MICROPHONE
Revision: A
ECN #: 47338
[4]
Performance
ENGLISH
SI
Nominal Microphone Diameter
1"
1"
Frequency Response Characteristic
Pressure
Pressure
Open Circuit Sensitivity
50 mV/Pa
50 mV/Pa
[3]
Open Circuit Sensitivity
(+/-2 dB)
-26 dB re 1 V/Pa
-26 dB re 1 V/Pa
[3]
Frequency Range(+/-2 dB)
5 to 8000 Hz
5 to 8000 Hz
Lower Limiting Frequency
1 to 3 Hz
1 to 3 Hz
Resonant Frequency(90° Phase Shift)
8.6 kHz
8.6 kHz
[1]
Inherent Noise
10 dB(A) re 20 µPa
10 dB(A) re 20
µPa
[1]
Inherent Noise
<11.5 dB(A) re 20
µPa
<11.5 dB(A) re 20
µPa
Dynamic Range(3% Distortion Limit)
>150 dB re 20 µPa >150 dB re 20 µPa
Standards Designation(IEC 61094-4)
WS1P
WS1P
Environmental
Temperature Range(Operating)
-40 to +248 °F
-40 to +120 °C
Temperature Coefficient of Sensi14 to +122°F (-10 to +50°C))
+0.006 dB/°F
+0.01 dB/°C
[1][3]
Static Pressure Coefficient
-0.012 dB/kPa
-0.012 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))
66.5 dB re 20 µPa
66.5 dB re 20 µPa
[1]
Electrical
Capacitance
45 pF
45 pF
[1]
Polarization Voltage
0 V
0 V
[2]
Physical
Housing Material
Stainless Alloy
Stainless Alloy
Venting
Rear
Rear
Mounting Thread(Preamplifier)
0.9098-60 UNS
23.11mm-60 UNS
Mounting Thread
(Grid)
0.9098-60 UNS
23.11mm-60 UNS
Size (Diameter x Height)(with grid)
0.936 in x 0.748 in 23.77 mm x 19 mm
Size (Diameter x Height)
(without grid)
0.936 in x 0.668 in 23.77 mm x 17 mm
Weight
1.08 oz
30.6 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: 10/17/2017
Date: 10/17/2017
Date: 10/17/2017
Date: 10/17/2017
63104
3425 Walden Avenue, Depew, NY 14043
Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: [email protected]
