Beyerdynamic DT 250 Notice D'utilisation page 13

DT 291 PV
Microphone
Transducer type. . . . . . . . . . . . . . . . . condenser (back electret)
Frequency response. . . . . . . . . . . . . . 20 - 18,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . omnidirectional
Output voltage at a distance
of 5 cm . . . . . . . . . . . . . . . . . . . . . . approx. 13 mV
Nominal impedance . . . . . . . . . . . . . approx. 200 Ω
Load impedance . . . . . . . . . . . . . . . . ≥ 1000 Ω
Max. SPL . . . . . . . . . . . . . . . . . . . . . . 127 dB
Current consumption . . . . . . . . . . . . approx. 3.5 mA
Phantom powering . . . . . . . . . . . . . . 12 - 48 V
Weight . . . . . . . . . . . . . . . . . . . . . . . approx. 20 g
Frequency Response Curve
Frequency response curve ± 2.5 dB
Wiring Diagram
Polar Pattern
24
0 dB = 13 mV
DT 287 PV / DT 297 PV
Microphone
Transducer type. . . . . . . . . . . . . . . . . condenser (back electret)
Frequency response. . . . . . . . . . . . . . 40 - 20,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . cardioid
Output voltage at a distance
of 5 cm. . . . . . . . . . . . . . . . . . . . . . . 5.5 mV
Nominal impedance . . . . . . . . . . . . . 300 Ω
Load impedance . . . . . . . . . . . . . . . . ≥ 1000 Ω
Max. SPL . . . . . . . . . . . . . . . . . . . . . . 132 dB
S/N ratio . . . . . . . . . . . . . . . . . . . . . . 62 dB
Current consumption . . . . . . . . . . . . approx. 3.5 mA
Phantom powering . . . . . . . . . . . . . . 12 - 48 V
Weight . . . . . . . . . . . . . . . . . . . . . . . approx. 30 g
Frequency Response Curve
Frequency response curve ± 2.5 dB 0 dB = 5.5 mV
Wiring Diagram
Polar Pattern
25