Headphone
Transducer type: . . . . . . . . . . .Dynamic
Operating principle: . . . . . . . . .Closed
Frequency response: . . . . . . . .30 – 20,000 Hz
Nominal impedance. . . . . . . . . .400Ω±10%per cartridge*
Nominal SPL at 1kHz: . . . . . . .94dB T.H.D < 1%
Power handling capacity: . . . .1000mW = ^ 124dB
Ambient noise attenuation: . . . approx. 20dBA
Sound coupling to the ear:. . . . Circumaural
Headband pressure: . . . . . . . . .approx. 4.5 N
Weight (without cable): . . . . . 390g
Microphone
Transducer type: . . . . . . . . . . . . Dynamic
Operating principle: . . . . . . . . .Pressure gradient
Frequency response: . . . . . . . . . .40 – 12,000 Hz
Polar pattern: . . . . . . . . . . . Hypercardioid
Output voltage: . . . . . . . . . approx. 2.5mV at a distance of 5 cm
Nominal impedance: . . . . . . . 200 Ω
Load impedance: . . . . . . . . . . ≥1000Ω
