Technical Specifications
DT 250 / DT 252 / DT 280 / DT 290 / DT 290 V.11 / DT 291 PV / DT 294 PV / DT 294 V. 11
Headphone
Frequency response . . . . . 10 - 30,000 Hz
(for headsets optimised for highest intelligibility of speech)
Nominal impedance . . . . . 80 Ω / 250 Ω
Nominal sound pressure
level at1 kHz . . . . . . . . . . 100 dB SPL at 1 mW =^ 0.28 V at
80Ω
100 dB SPL at 1 mW =^ 0.5 V at
250Ω
Input power rating . . . . . 100 mW =^ 120 dB =^ 2.8 V at 80 Ω 100 mW =^ 120 dB =^ 5 V at 250 Ω
Ambient noise
attenuation . . . . . . . . . . . approx. 16 dBA Headband pressure . . . . . 4.5 N Weight (without cable)
DT 250 / DT 290 / DT 294 . 240 g
DT 252 / DT 280 . . . . . . . . 170 g
Wiring Diagram DT 250
english
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