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发表于 2004-2-19 12:41:33
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上拜亚的耳麦吧! Features
Closed headphone
Cardioid condenser microphone (back electret)
Noise-cancelling
High-quality speech reproduction
Applications
The DT 234 PRO headset is ideal for all kinds of multimedia applications. The noise-cancelling cardioid microphone allows high-quality speech reproduction. The headset is compatible with any PC soundcard. The straight connection cable is equipped with stereo mini jacks for microphone and headphone. For applications in the broadcasting and intercom area the headset can be adapted for use with beltpacks etc.
Technical Specifications
Transducer type Dynamic
Operating principle Closed
Frequency response 20 - 18,000 Hz
Nominal impedance 32 Ω
Nominal SPL at 1 kHz 95 dB (1 mW, 500 Hz)
T.H.D. < 0.2%
Sound coupling to the ear Supraaural
Average pressure on ears 2 N
Weight without cable 155 g
Cable length 2.5 m, straight cable
Connection Mini stereo jack (3.5 mm) and 1/4" adapter (6.35 mm)
Headset/-Sprechgarnitur-Mikrofon-Teil
Transducer type Condenser (back electret)
Operating principle Pressure gradient
Polar pattern Cardioid
Phantom supply AB-powering
Output voltage 1.5 - 9 V
Current consumption < 0.5 mA
Nominal impedance approx. 1.5 kΩ
Open circuit voltage at 1 kHz (0dB = 1V/Pa) 15 mV/Pa
Frequency response 50 - 18,000 Hz
T.H.D. 0.2% at f = 1 kHz
Max. SPL 125 dB
Microphone output unbalanced
Cable and connection Mini stereo jack (3.5 mm), Ring and top: AF, shaft: ground |
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