Beyerdynamic DT 250 Notice D'utilisation page 12

DT 280 / DT 290
Microphone
Transducer type. . . . . . . . . . . . . . . . . dynamic
Frequency response. . . . . . . . . . . . . . 40 - 12,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . hypercardioid
Interference discharging . . . . . . . . . . 30 dB
Output voltage at a distance
of 5 cm . . . . . . . . . . . . . . . . . . . . . . approx. 3 mV
Nominal impedance . . . . . . . . . . . . . approx. 200 Ω
Weight . . . . . . . . . . . . . . . . . . . . . . . approx. 45 g
Frequency Response Curve
Frequency response curve ± 2.5 dB
Wiring Diagram
Polar Pattern
22
0 dB = 3 mV Output voltage at a distance of 5 cm
DT 290 V.11
Microphone
Transducer type. . . . . . . . . . . . . . . . . dynamic
Frequency response. . . . . . . . . . . . . . 40 - 12,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . hypercardioid
Output voltage at a distance
of 5 cm, Is = 16 mA,
Us = 10 V, Rv = 330 Ω . . . . . . . . . . . approx. 1.5 V
Output voltage at a distance
of 5 cm, Is = 16 mA,
Us = 10 V, Rv = 330 Ω,
RLS = 200 Ω . . . . . . . . . . . . . . . . . . . approx. 750 mV
Nominal impedance . . . . . . . . . . . . . approx. 200 Ω
Current consumption min. . . . . . . . . 8 mA
Current consumption max. . . . . . . . . 56 mA
Weight . . . . . . . . . . . . . . . . . . . . . . . approx. 45 g
Frequency Response Curve
Frequency response curve ± 2.5 dB 0 dB = 750 mV Output voltage at a distance of 5 cm
Wiring Diagram
Polar Pattern
23