1/4" pressure prepolarized 377A14 microphone and 426A05 preamplifier, TEDS programmed
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
377A14
426A05
- Nominal Microphone Diameter: 1/4"
- Frequency Response Characteristic: Pressure
- Frequency Range: (±2dB)4.0 to 70000 Hz
(4.0 to 70000 Hz)
- Dynamic Range: 173 dB re 20 µPa
RELATED PRODUCTS
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English: |
SI: |
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| Performance |
| Nominal Microphone Diameter |
1/4" |
1/4" |
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| Frequency Response Characteristic |
Pressure |
Pressure |
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| Sensitivity (±3 dB) |
-60 dB re 1 V/Pa |
-60 dB re 1 V/Pa |
[3]
|
| Sensitivity |
1.0 mV/Pa |
1.0 mV/Pa |
[3]
|
| Frequency Range (±2 dB) |
4.0 to 70000 Hz |
4.0 to 70000 Hz |
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| Lower Limiting Frequency (-3 dB) |
0.75 to 4.0 Hz |
0.75 to 4.0 Hz |
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| Inherent Noise |
50 dB(A) re 20 µPa |
50 dB(A) re 20 µPa |
[1]
[4]
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| Dynamic Range (3% Distortion Limit) |
173 dB re 20 µPa |
173 dB re 20 µPa |
[1]
|
| TEDS Compliant |
Yes |
Yes |
[2]
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| Environmental |
| Temperature Range (Operating) |
-40 to +158 °F |
-40 to +70 °C |
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| Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) |
0.004 dB/°F |
0.007 dB/°C |
[1]
[3]
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| Static Pressure Coefficient |
-0.003 dB/kPa |
-0.003 dB/kPa |
[1]
[3]
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| Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) |
±0.0014 dB/%RH |
±0.0014 dB/%RH |
[3]
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| Influence of Axial Vibration (0.1g (1 m/s²)) |
66 dB re 20 µPa |
66 dB re 20 µPa |
[1]
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| Electrical |
| Polarization Voltage |
0 V |
0 V |
[5]
|
| Excitation Voltage |
20 to 32 VDC |
20 to 32 VDC |
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| Constant Current Excitation |
2 to 20 mA |
2 to 20 mA |
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| Output Bias Voltage |
10 to 14 VDC |
10 to 14 VDC |
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| Maximum Output Voltage |
±8 Vpk |
±8 Vpk |
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| Output Impedance |
<50 Ohm |
<50 Ohm |
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| Physical |
| Housing Material |
Stainless Alloy |
Stainless Alloy |
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| Venting |
Side |
Side |
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| Electrical Connector |
10-32 Jack |
10-32 Jack |
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| Mounting Thread (Preamplifier) |
0.25 - 60 UNS |
0.25 - 60 UNS |
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| Size - Diameter (with grid) |
0.28 in |
7.1 mm |
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| Size - Diameter (without grid) |
0.25 |
6.35 mm |
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| Size - Height (with grid) |
2.07 in |
52.6 mm |
|
| Size - Height (without grid) |
2.02 in |
51.3 mm |
|
| Weight |
0.27 oz |
7.8 gm |
[1]
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* All specifications are at room temperature unless otherwise specified
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Specification Notes
[1] Typical.
[2] TEDS Capable Digital Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[4] A-Weighted inherent noise is specified from 20 Hz - 20 kHz.
[1] Typical.
[3] re 250 Hz
[5] Prepolarized
[1] Typical.
[6] See PCB Declaration of Conformance PS076 for details.
Accessories
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| Supplied |
| ACS-63 |
Calibration for microphone/preamplifier with TEDS programming |
1 |
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