MICROPHONE AND PREAMPLIFIER, LOW NOISE, 1/2" FREE-FIELD PREPOLARIZED
This model includes a 1/2" microphone cartridge, a mated preamplifier with TEDS, and system calibration.
- Nominal Microphone Diameter:
1/2"
- Frequency Response Characteristic:
Free-Field
- Frequency Range:
(±4dB)5 to 20000 Hz
- Inherent Noise:
5.5 dB(A) re 20 µPa
- Dynamic Range:
(3% Distortion Limit)>80 dB re 20 µPa
RELATED PRODUCTS
|
English: |
SI: |
|
Performance |
Nominal Microphone Diameter |
1/2" |
1/2" |
|
Frequency Response Characteristic (at 0° incidence) |
Free-Field |
Free-Field |
|
Sensitivity (±2 dB) |
-7 dB re 1 V/Pa |
-7 dB re 1 V/Pa |
[
2]
|
Sensitivity |
450 mV/Pa |
450 mV/Pa |
[
2]
|
Frequency Range (±4 dB) |
5 to 20000 Hz |
5 to 20000 Hz |
|
Frequency Range (±2 dB) |
10 to 16000 Hz |
10 to 16000 Hz |
|
Lower Limiting Frequency (-3 dB) |
2 to 5 Hz |
2 to 5 Hz |
|
Inherent Noise |
5.5 dB(A) re 20 µPa |
5.5 dB(A) re 20 µPa |
[
1]
|
Inherent Noise |
<6.5 dB(A) re 20 µPa |
<6.5 dB(A) re 20 µPa |
|
Dynamic Range(3% Distortion Limit) |
>80 dB re 20 µPa |
>80 dB re 20 µPa |
[
4]
|
Dynamic Range(3% Distortion Limit) |
>100 dB re 20 µPa |
>100 dB re 20 µPa |
[
5]
|
Maximum Sound Pressure Level(Peak) |
130 dB re 20 µPa |
130 dB re 20 µPa |
[
1]
[
6]
|
TEDS Compliant |
Yes |
Yes |
[
3]
|
Environmental |
Temperature Range (Operating) |
-40 to +176 °F |
-40 to +80 °C |
|
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) |
0.005 dB/°F |
0.009 dB/°C |
[
1]
[
2]
|
Static Pressure Coefficient |
-0.013 dB/kPa |
-0.013 dB/kPa |
[
1]
[
2]
|
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) |
±0.001 dB/%RH |
±0.001 dB/%RH |
[
2]
|
Electrical |
Polarization Voltage |
0 V |
0 V |
[
7]
|
Excitation Voltage |
20 to 32 VDC |
20 to 32 VDC |
|
Constant Current Excitation |
4 to 20 mA |
4 to 20 mA |
|
Output Bias Voltage |
12 to 16 VDC |
12 to 16 VDC |
|
Maximum Output Voltage |
±2 Vpk |
±2 Vpk |
|
Output Impedance |
<50 Ohm |
<50 Ohm |
|
Physical |
Housing Material |
Stainless Alloy |
Stainless Alloy |
|
Venting |
Rear |
Rear |
[
8]
|
Electrical Connector |
BNC Jack |
BNC Jack |
|
Size - Diameter (with grid) |
0.52 in |
13.2 mm |
|
Size - Diameter (without grid) |
0.50 in |
12.7 mm |
[
9]
|
Size - Height (with grid) |
4.02 in |
102.1 mm |
|
Size - Height (without grid) |
3.99 in |
101.2 mm |
|
Weight |
1.81 oz |
51.3 gm |
[
1]
|
* All specifications are at room temperature unless otherwise specified
.
Specification Notes
[
1]
Typical.
[
2]
re 1 kHz
[
3]
TEDS Capable Digital Memory and Communication, compliant with IEEE 1451.4
[
4]
In the total frequency range.
[
5]
Below 5 kHz
[
6]
Non-destructive
[
1]
Typical.
[
2]
re 1 kHz
[
7]
Prepolarized
[
1]
Typical.
[
8]
Venting through Preamp.
[
9]
Protection grid permanently affixed to the microphone.
[
10]
See PCB Declaration of Conformance PS138 for details.
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