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Model Number376A31376A32376A33379A33
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Performance
Nominal Microphone Diameter1/4"1/2"1/2"1/2"
Frequency Response Characteristic (at 0° incidence)Free-FieldFree-FieldFree-FieldFree-Field
Sensitivity (±3dB)-54 dB re 1 V/Pa------
Sensitivity2.0 mV/Pa50 mV/Pa12.6 mV/Pa12.6 mV/Pa
Frequency Range (+2 / -3dB)4 to 100000 Hz------
Frequency Range (±2dB)5 to 80000 Hz3.75 to 20000 Hz3.15 to 31500 Hz3.15 to 31500 Hz
Frequency Range (±1dB)7 to 12500 Hz7 to 10000 Hz5 to 16000 Hz5 to 20000 Hz
Lower Limiting Frequency0.75 to 4.0 Hz1.0 to 3.0 Hz1.0 to 2.4 Hz1.0 to 2.4 Hz
Inherent Noise40 dB(A) re 20 µPa15.5 dB(A) re 20 µPa22 dB(A) re 20 µPa22 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit)165 dB re 20 µPa137 dB re 20 µPa150 dB re 20 µPa150 dB re 20 µPa
Environmental
Temperature Range (Operating)
-40 to +149 °F
-40 to +65 °C
-40 to +149 °F
-40 to +65 °C
-40 to +149 °F
-40 to +65 °C
-40 to +149 °F
-40 to +65 °C
Temperature Coefficient of Sensitivity (+14 to +149°F (-10 to 65°C))
0.003 dB/°F
0.006 dB/°C
0.005 dB/°F
0.009 dB/°C
0.003 dB/°F
0.006 dB/°C
0.003 dB/°F
0.006 dB/°C
Static Pressure Coefficient-0.009 dB/kPa-0.013 dB/kPa-0.007 dB/kPa-0.007 dB/kPa
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing)±0.001 dB/%RH±0.001 dB/%RH0.002 dB/%RH0.002 dB/%RH
Influence of Axial Vibration (0.1g (1 m/s²))60 dB re 20 µPa63 dB re 20 µPa66 dB re 20 µPa66 dB re 20 µPa
Electrical
Polarization Voltage0 V0 V0 V0 V
Current Draw6.5 6.5 mA6.5 mA6.5 mA
Maximum Output Voltage±10 Vpk±10 Vpk±10 Vpk±10 Vpk
Output Impedance<50 Ohm<50 Ohm<50 Ohm<50 Ohm
Physical
Housing MaterialStainless AlloyStainless AlloyStainless AlloyStainless Alloy
VentingRearRearRearRear
Electrical Connector3-Pin XLR3-Pin XLR3-Pin XLR3-Pin XLR
Mounting Thread (Grid)0.25 - 60 UNS0.5 - 60 UNS0.5 - 60 UNS0.5 - 60 UNS
Size - Diameter
0.79 in
20.1 mm
------
Size - Height (with grid)
6.85 in
174.0 mm
6.99 in
177.6 mm
6.85 in
174.0 mm
6.85 in
174.0 mm
Weight
4.96 oz
140.7 gm
6.50 oz
184.2 gm
6.45 oz
183.0 gm
6.45 oz
183.0 gm
Performance
Sensitivity (±1.5dB)---26 dB re 1 V/Pa---38 dB re 1 V/Pa
Physical
Size - Diameter (with grid)--
0.79 in
20.1 mm
0.79 in
20.1 mm
0.79 in
20.1 mm
Performance
Sensitivity (±2dB)-----38 dB re 1 V/Pa--
Frequency Range (±3dB)----3.15 to 40000 Hz3.15 to 40000 Hz
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Model Number426A14
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Performance
Nominal Microphone Diameter1/4" or 1/2"
Gain-0.2 dB
Frequency Response (±0.1dB)11 to 100000 Hz
Frequency Response (-3dB)<1.8 Hz
Electrical Noise (A-weight)<2 µV
Electrical Noise (Flat 20 Hz to 20 kHz)<4.5 µV
Distortion (3 V rms input at 1 kHz)<-70 dB
Output Slew Rate11 V/µS
Environmental
Temperature Range (Operating)
-40 to +149 °F
-40 to +65 °C
Temperature Response<0.05 dB
Humidity Range (Non-Condensing)0 to 95 %RH
Humidity Sensitivity<0.05 dB
Electrical
Current Draw6.5 mA
Impedance (Input)20 GOhm
Capacitance (Input)0.25 pF
Impedance (Output)<50 Ohm
Output Voltage±10 Vpk
Physical
Housing MaterialStainless Steel
Size - Diameter
0.79 in
20.1 mm
Size - Length
6.50 in
165.1 mm
Weight
6.23 oz
176.5 gm
Electrical Connector3-Pin XLR
Mounting Thread (Microphone to Preamplifier)0.2244 - 60 UNS