Design Features - Beyerdynamic DT 250 Notice D'utilisation

OPERATING INSTRUCTIONS
DT 250 / DT 252 / DT 280 / DT 290 / DT 290 V.11 /
DT 291 PV / DT 294 PV / DT 294 V.11
Thank you for selecting one of the DT 200 series
professional studio headphones or headsets. They have been
made in Germany from high-grade materials and assembled
under stringent quality and performance tests to provide you
with a professional communications tool. Please take some
time to read through this instruction booklet to give you an idea
of the design criterion and some information on connection, use
and maintenance.

Design Features

DT 250 / DT 252
The DT 250 / DT 252 is a closed dynamic headphone
offering excellent ambient noise isolation making it suitable for
all kinds of applications in broadcasting and recording studios.
The headband and earphone cushioning systems have been
carefully designed for maximum comfort and unobtrusive style.
The powerful neodymium magnet system provides high-fidelity
reproduction and a balanced sound. The standard impedance is
80 Ω. Furthermore, versions with 250 Ω systems are available.
The connecting cables to the ear monitors run safely in the
headband and the main connecting cable is terminated on one
side with a multi-pin connector.
DT 280 / DT 290 / DT 290 V.11
Same as DT 250, but featuring the dynamic hypercardioid
DM 290 microphone. The DT 280 / DT 290/DT 290 V.11 headset is
used in intercom and talkback systems as well as other
applications where a dynamic microphone is required.
DT 291 PV / DT 294 PV / DT 294 V.11
Same as DT 250, but featuring an omnidirectional
electret condenser microphone (DT 291 PV) or a cardioid
condenser microphone (DT 294 PV + DT 294 V.11). The DT 291 PV/
DT 294 PV is equipped with an integrated preamp for phantom
powering.
The DT 294 V.11 has an integrated microphone preamp for
AB-powering.
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