Technical Specifications - Beyerdynamic DT 250 Mode D'emploi

18

11. Technical Specifications

DT 250 / DT 252
DT 280 / DT 290 / DT 297
Headphone
Frequency response . . . . . . . . . . 10 - 30,000 Hz
Nominal impedance . . . . . . . . . . 80 Ω / 250 Ω
Nominal sound pressure
level at1 kHz . . . . . . . . . . . . . . . 100 dB SPL at 1 mW = 0.28 V at 80 Ω
Input power rating. . . . . . . . . . . 100 mW = 120 dB = 2.8 V at 80 Ω
T.H.D. . . . . . . . . . . . . . . . . . . . . < 0.2%
Ambient noise attenuation. . . . . approx. 16 dBA
Headband pressure . . . . . . . . . . 4.5 N
Weight (without cable)
DT 250 / DT 290 / DT 297 . . . . . 240 g
DT 252 / DT 280 . . . . . . . . . . . . 170 g
Wiring Diagram DT 250
DT 25x / DT 28x / DT 29x
(for headsets optimised for highest
intelligibility of speech)
100 dB SPL at 1 mW = 0.5 V at 250 Ω
100 mW = 120 dB = 5 V at 250 Ω