Beyerdynamic DT 290 用户手册

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 ± 2.5 dB           0 dB = 3 mV   Output voltage at a distance of 5 cm