Type 46BE


Type 46BE
A combination of ¼″ Prepolarized Freefield Microphone Type 40BE and ¼″ CCP Preamplifier Type 26CB with Microdot co-axial connector.
Specifications Type 46BE (free-field response)
Frequency response (see also Fig. 3):
10 Hz - 40 kHz:. . . . . . . . . . . . ± 1 dB
4 Hz - 80/100 kHz: . . . . . . . . . . . ± 2/± 3 dB
Nominal sensitivity:
4 mV/Pa
Polarization voltage:
0 V
Dynamic range:
Upper limit:. . . . . . . . . . . . 157 dB re. 20 μ Pa
Lower limit:. . . . . . . . . . . . 36 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): . . . . . . . . . . . . . 0.01 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:
– 0.008 dB / k Pa
Influence of axial vibration, 1 m/s2:
59 dB re. 20 μ Pa
Connector:
Microdot:. . . . . . . . . . . . Co-axial
Dimensions and weight:
Diameter:. . . . . . . . . . . . 6.9 mm
Length:. . . . . . . . . . . . 53 mm
Weight:. . . . . . . . . . . . 8 g
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