Preamplifier for 1/4" side vented prepolarized microphones.
- Nominal Microphone Diameter: 1/4"
- Temperature Range: -40 to 158 °F (-40 to 70 °C)
- Output Voltage: ±8 V
- Size - Length: 1.74 in (44.2 mm)
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Performance |
Nominal Microphone Diameter | 1/4" | 1/4" |   |
Gain | -0.19 dB | -0.19 dB | [1][3]  |
Frequency Response (±0.1 dB) (re 1 kHz) | 5 to 126000 Hz | 5 to 126000 Hz |   |
Frequency Response (±0.2 dB) (re 1 kHz) | 3.2 to 126000 Hz | 3.2 to 126000 Hz |   |
Frequency Response (-3 dB) (re 1 kHz) | <0.7 Hz | <0.7 Hz |   |
Phase Linearity (<1 °) | 63 to 20000 Hz | 63 to 20000 Hz |   |
Electrical Noise (A-weight) | <3.2 µV | <3.2 µV | [3]  |
Electrical Noise (A-weight) | 1.9 µV | 1.9 µV | [1][3]  |
Electrical Noise (Flat 20 Hz to 20 kHz) | <5.6 µV | <5.6 µV | [3]  |
Electrical Noise (Flat 20 Hz to 20 kHz) | 3.4 µV | 3.4 µV | [1][3]  |
Distortion (3 V rms input at 1 kHz) | <-70 dB | <-70 dB |   |
Output Slew Rate | 2 V/µS | 2 V/µS | [1]  |
TEDS Compliant | Yes | Yes | [2]  |
Environmental |
Temperature Range (Operating) | -40 to 158 °F | -40 to 70 °C |   |
Temperature Range (Storage) | -40 to 185 °F | -40 to 85 °C |   |
Temperature Response | <0.03 dB | <0.03 dB |   |
Humidity Range (Non-Condensing) | 0 to 95 %RH | 0 to 95 %RH |   |
Humidity Sensitivity | <0.03 dB | <0.03 dB |   |
Electrical |
Excitation Voltage | 20 to 32 VDC | 20 to 32 VDC |   |
Constant Current Excitation | 2 to 20 mA | 2 to 20 mA |   |
Impedance (Input) | 20000000000 Ohm | 20000000000 Ohm | [1]  |
Capacitance (Input) | 0.15 pF | 0.15 pF | [1]  |
Output Bias Voltage | 10 to 14 VDC | 10 to 14 VDC |   |
Impedance (Output) | <50 Ohm | <50 Ohm |   |
Output Voltage (Maximum) | ±8 V | ±8 V | [1]  |
Physical |
Housing Material | Stainless Steel | Stainless Steel |   |
Size - Diameter | 0.25 in | 6.4 mm |   |
Size - Length | 1.74 in | 44.2 mm |   |
Weight | 0.21 oz | 6 gm |   |
Electrical Connector | 10-32 Coaxial Jack | 10-32 Coaxial Jack |   |
Mounting Thread | 0.2244 - 60 UNS | 5.7 mm - 60 UNS |   |
All specifications are at room temperature unless otherwise specified.
Microphone - Safe Handling and Maintenance |
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Prepolarized vs. externally polarized microphones |
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