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4 DUAL DIAPHRAGM CONDENSER MICROPHONE B-2 PRO User Manual
180°
-30 dB
-25dB
-15 dB
-20 dB
-10 dB
-5 dB
0 dB
0°
30°
60°
90°
120°
150°210°
240°
270°
300°
330°
250 Hz
500 Hz
2000 Hz
1000 Hz
4000 Hz
8000 Hz
16000 Hz
Polar pattern (omnidirectional)
20.0
10.0
-10.0
-20.0
50.0 100.0 1000.0 10k 15k 20k Hz
0.0
dB
Low cut
Frequency response (omnidirectional)
30°
60°
90°
120°
150°
180°
210°
240°
270°
300°
330°
-30 dB
-25dB
-15 dB
-20 dB
-10 dB
-5 dB
0 dB
250 Hz
500 Hz
2000 Hz
1000 Hz
4000 Hz
8000 Hz
16000 Hz
Polar pattern (gure eight)
20.0
10.0
-10.0
-20.0
50.0 100.0 1000.0 10k 15k 20k Hz
0.0
dB
Low cut
Frequency response (gure eight)
Specications7.
Transducer type condenser, 1" dual-diaphragm
Operating principle pressure gradient
Polar pattern cardioid, omnidirectional
or gure eight
Connection gold-plated balanced XLR connector
Open Circuit Sensitivity (at 1 kHz)
cardioid -36 dBV (0 dBV = 1 V/Pa), 16 mV/Pa
omnidirectional -37 dBV (0 dBV = 1 V/Pa), 14 mV/Pa
gure eight -35 dBV (0 dBV = 1 V/Pa), 18 mV/Pa
Frequency response 20 Hz - 20 kHz
Level attenuation -10 dB (switchable)
Low-Cut lter 6 dB/oct. at 150 Hz (switchable)
Max. SPL (1% THD @ 1 kHz)
cardioid 138 dB (0 dB), 148 dB (-10 dB)
omnidirectional 139 dB (0 dB), 149 dB (-10 dB)
gure eight 137 dB (0 dB), 147 dB (-10 dB)
Equivalent SPL (IEC 651)
cardioid 17 dB-A
omnidirectional 18 dB-A
gure eight 16 dB-A
Signal-to-Noise Ratio
cardioid 77 dB, A-weighted
omnidirectional 76 dB, A-weighted
gure eight 78 dB, A-weighted
Nominal impedance <100 Ω
Load impedance >1 kΩ
Mains Voltage/Fuse
Supply voltage +48 V
Supply current 3 mA
Physical/Weight
Dimensions Ø head: 56 mm, Ø shaft: 50 mm,
length: 210 mm
Weight approx. 0.55 kg