Beyerdynamic DT 250 - Technical Specifications; Headphone Specifications

EN
DT 25x / DT 28x / DT 29x 9
10. TECHNICAL SPECIFICATIONS
DT 250 / DT 252
DT 280 / DT 290 / DT 297
Headphone
Frequency response ...................................10 - 30,000 Hz
(for headsets optimised for highe
intelligibility of speech)
Nominal impedance ...................................80 Ω / 250 Ω
Nominal sound pressure
level at 1 kHz ...................100 dB SPL at 1 mW = 0.28 V at 80 Ω
100 dB SPL at 1 mW = 0.5 V at 250 Ω
Input power rating ..................100 mW = 120 dB = 2.8 V at 80 Ω
100 mW = 120 dB = 5 V at 250 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