Beyerdynamic DT 250 Operating Instructions Manual page 26

DT 287 V. 11 / DT 297 V.11
Microphone
Transducer type. . . . . . . . . . . . . . . . . condenser (back electret)
Frequency response. . . . . . . . . . . . . . 20 - 20,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . cardioid
Output voltage at a distance
of 5 cm. . . . . . . . . . . . . . . . . . . . . . . approx. 52 mV - 1.3 V adjustable
Nominal impedance . . . . . . . . . . . . . 300 Ω
Current consumption . . . . . . . . . . . . 6 - 56 mA
Wiring Diagram
26