Type 46AO


Type 46AO
A combination of ½-inch Prepolarized Wide-frequency, Pressure Microphone Type 40AO and ½-inch CCP Preamplifier Type 26CA with BNC co-axial preamplifier.
For CCP transducers, the signal wire is used for reading the TEDS information directly from the transducer.
Specifications Type 46AO
Frequency response:
3.15 Hz - 20 kHz. . . . . . . .± 2.0 dB
5 Hz - 12.5 kHz . . . . . . . . . ± 1.0 dB
Nominal sensitivity:
12.5 mV/Pa
Polarization voltage:
0 V
Dynamic range:
Upper limit (peak):. . . . . . . .147 dB re. 20 μ Pa
Lower limit (thermal noise): . . . 27 dBA re. 20 μ Pa
Output impedance:
Typical:. . . . . . . .< 50 Ω
Power-supply:
2 m A to 20 m A (typically 4 m A)
Maximum signal-output voltage (peak):
± 8.0 V
Temperature:
Operation:. . . . . . . .-30 oC to + 70 oC
Storage:. . . . . . . .- 40 oC to + 85 oC
Coefficient (250 Hz):. . . .- 0.002 dB / °C
(–10 °C to +50 °C)
Relative humidity:
Operation:. . . . . . . .0 to 95 %
Storage:. . . . . . . .0 to 95 %
Influence (250 Hz):. . . .< 0.1 dB
Static-pressure coefficient:
250 Hz at 25 °C: . - 0.007 dB / k Pa
Influence of axial vibration, 1 m/s2:
66 dB re. 20 μ Pa
Connector:
BNC:. . . . . . . .Co-axial
Dimensions and weight:
Diameter:. . . . . . .13.2 mm
Length:. . . . . . . .80.3 mm
Weight:. . . . . . . .33 g
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