Model Number
378C10
ICP MICROPHONE SYSTEM
Revision: A
ECN #: 42896
[9]
Performance
ENGLISH
SI
Nominal Microphone Diameter
1/4"
1/4"
Frequency Response Characteristic
Pressure
Pressure
Open Circuit Sensitivity
1.0 mV/Pa
1.0 mV/Pa
[3]
Open Circuit Sensitivity
(+/-3 dB)
-60 dB re 1 V/Pa
-60 dB re 1 V/Pa
[3]
Frequency Range(+/-2 dB)
5 to 70,000 Hz
5 to 70,000 Hz
Lower Limiting Frequency
0.75 to 4.0 Hz
0.75 to 4.0 Hz
Inherent Noise(Linear)
<60 dB re 20 µPa
<60 dB re 20 µPa
[4]
Inherent Noise
<53 dB(A) re 20
µPa
<53 dB(A) re 20
µPa
[5]
Dynamic Range(3% Distortion Limit)
>174 dB re 20 µPa
>174 dB re 20 µPa
Dynamic Range
(Maximum without Clipping)
>177 dB re 20 µPa
>177 dB re 20 µPa
[6]
TEDS Compliant
Yes
Yes
[7]
Environmental
Temperature Range(Operating)
-40 to +158 °F
-40 to +70 °C
Temperature Coefficient of Sensi14 to +158°F (-10 to +70°C))
0.004 dB/°F
0.007 dB/°C
[2][3]
Static Pressure Coefficient
-0.003 dB/kPa
-0.003 dB/kPa
[2][3]
Humidity Coefficient of Sensitivity(0 to 100%, non-condensing)
± 0.0014
± 0.0014
[3]
Influence of Axial Vibration(0.1g (1 m/s²))
66 dB re 20 µPa
66 dB re 20 µPa
[2]
Electrical
Polarization Voltage
0 V
0 V
[1]
Excitation Voltage
20 to 32 VDC
20 to 32 VDC
Constant Current Excitation
2 to 20 mA
2 to 20 mA
Output Bias Voltage
10 to 14 VDC
10 to 14 VDC
Output Impedance
<50 Ohm
<50 Ohm
Maximum Output Voltage
+/-8 Vpk
+/-8 Vpk
Physical
Housing Material
Stainless Alloy
Stainless Alloy
Venting
Rear
Rear
[8]
Electrical Connector
10-32 Jack
10-32 Jack
Mounting Thread(Grid)
0.25 - 60 UNS
0.25 - 60 UNS
Size (Diameter x Height)(with grid)
0.28 in x 2.07 in
7.1 mm x 52.6 mm
Size (Diameter x Height)
(without grid)
0.25 in x 2.02 in
6.35 x 51.3 mm
Weight
0.27 oz
7.8 gm
[2]
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.
TLD
- TEDS Capable of Digital Memory and Communication Compliant with IEEE 1451.4
Optional Accessory : Model ACS-63 Calibration (with TEDS) of Precision Condenser
Microphones and Preamplifiers together (mated pair). (1) replaces Model ACS-42
NOTES:
[1] Prepolarized
[2] Typical.
[3] re 250 Hz
[4] Linear inherent noise is specified over the operating bandwidth (20 Hz - 70 kHz).
[5] A-Weighted inherent noise is specified from 20 Hz - 20 kHz.
[6] Peak.
[7] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4
[8] Venting through Preamp.
[9] See PCB Declaration of Conformance PS076 for details.
SUPPLIED ACCESSORIES:
Model ACS-42 Calibration of microphone with preamplifer (1)
Entered: AP
Engineer: MJN
Sales: MV
Approved: MT
Spec Number:
Date: 5/7/2014
Date: 5/7/2014
Date: 5/7/2014
Date: 5/7/2014
57855
3425 Walden Avenue, Depew, NY 14043
Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: [email protected]
