Type 46AR


Type 46AR
A combination of ½-inch Randomincidence Microphone Type 40AR 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 46AR
Frequency response:
3.15 Hz - 12.5 kHz: . . . . . . . . . ± 2.0 dB
12.5 Hz - 8 kHz: . . . . . . . . . ± 1.0 dB
12.5 kHz - 16 kHz: . . . . . . . . . ± 3.0 dB
Nominal sensitivity:
50 mV/Pa
Polarization voltage:
200 V
Dynamic range:
Upper limit . . . . . . . . . 146 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) . . . . . . . . . - 0.01 dB / °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:
65 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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