Type 46AF


Type 46AF
A combination of ½-inch Free-field Microphone Type 40AF and ½-inch Preamplifier Type 26TK with 7-pin LEMO connector (Fig. 2).
Pin 5 in Fig. 2 is used for reading the TEDS information directly from the preamplifier.
Specifications Type 46AF
Frequency response:
3.15 Hz - 20 kHz:. . . . . . . . . . .± 2.0 dB
5 Hz - 10 kHz:. . . . . . . . . . .± 1.0 dB
Nominal sensitivity:
50 mV/Pa
Polarization voltage:
200 V
Dynamic range:
Upper limit (3 % distortion):. . . 46 dB re. 20 μ Pa
Lower limit (thermal noise): . . . 17 dBA re. 20 μ Pa
Output impedance:
Typical:. . . . . . . . . . .55 Ω<
Power supply:
Single:. . . . . . . . . . .28 V (0.7 mA) to 120 V (2.5 mA)
Dual:. . . . . . . . . . .± 14 V (0.7 mA) to ± 60 V (2.5 mA)
Maximum signal-output voltage (peak):
from ± 10 V to ± 50 V
Temperature:
Operation: . . . . . . . . . . .– 30 oC to + 70 oC
Storage:. . . . . . . . . . . – 40 oC to + 85 oC
Coefficient (250 Hz): . . . . . . . . . . .- 0.007 dB / °C
Relative humidity:
Operation: . . . . . . . . . . .0 to 95 %
Storage: . . . . . . . . . . .0 to 95 %
Influence (250 Hz):. . . . . . . . . . .< 0.1 dB
Static-pressure coefficient:
- 0.01 dB / k Pa
Influence of axial vibration, 1 m/s2:
63 dB re. 20 μ Pa
Connector:
LEMO:. . . . . . . . . . .7-pin 1B male plug
Dimensions and weight:
Diameter:. . . . . . . . . . .13.2 mm
Length:. . . . . . . . . . .100 mm
Weight:. . . . . . . . . . .40 g
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