TECHNICAL SPECIFICATIONS
Headphone Transducer principle. . . . . . . . . . . . . . . . Dynamic
Operating principle . . . . . . . . . . . . . . . . Closed
Transmission range . . . . . . . . . . . . . . . . 10 - 30,000 Hz
Nominal impedance. . . . . . . . . . . . . . . . 80 Ω or 250 Ω / system
Nominal SPL at 1 kHz . . . . . . . . . . . . . . 100 dB SPL at 1 mW = 0.28 V to 80 Ω
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Nominal power rating . . . . . . . . . . . . . . 100 mW = 120 dB = 2.8 V to 80 Ω
Ambient noise insulation . . . . . . . . . . . . approx. 16 dBA Average pressure on ears. . . . . . . . . . . . 4.5 N
Weight without cable . . . . . . . . . . . . . . 170 g (DT 280), 240 g (DT 290)
Microphone. . . . . . . . . . . . . . . . . . . . . DT 280/290 T
ransducer principle. . . . . . . . . . . . . . . . Dynamic Frequency response . . . . . . . . . . . . . . . . 40 - 12,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . . . . Hypercardioid Output
Voltage at a distance of 5 cm. . . . . . . . . . . . . . . approx. 1.3 mV/Pa
Nominal impedance. . . . . . . . . . . . . . . . 80 Ω
Nominal output impedance . . . . . . . . . . > 1000 Ω
Outer diameter . . . . . . . . . . . . . . . . . . . approx. 23.2 mm
Microphone. . . . . . . . . . . . . . . . . . . . . DT 280 V.11
Transducer principle . . . . . . . . . . . . . . . . Dynamic
Frequency response . . . . . . . . . . . . . . . . 40 - 12,000 Hz Polar pattern . . . . . . . . . . . . . . . . . . . . . Hypercardioid
Output voltage at a distance of 5 cm. . . . . . . . . . . . . . . . . approx. 1.5 V/Pa
Nominal impedance . . . . . . . . . . . . . . . . 200 Ω
Current consumption . . . . . . . . . . . . . . . 8 - 56 mA
Outer diameter . . . . . . . . . . . . . . . . . . . approx. 23.2 mm
