Beyerdynamic DT 770 PRO Instrucciones De Uso página 5

DT 770 PRO
VERSIONS
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Available versions can be found at:
www.beyerdynamic.com
SUPPLIED ACCESSORIES
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1 x 1/4" (6.35 mm) jack adapter
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1 x Drawstring bag
ACCESSORIES AND REPLACEMENT PARTS
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Accessories and replacement equipment can be
found at: www.beyerdynamic.com
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If you have technical problems while using the head-
phones or need further guidance, please visit our
FAQ website at: support.beyerdynamic.com
SERVICE
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If you require service, please contact
qualified service personnel or directly:
beyerdynamic Service- und Logistik Center
E-mail: service@beyerdynamic.de
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Dismantling the headphone yourself will invalidate
the guarantee.
DISPOSAL
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At the end of its operating life this product
may not be disposed of along with
normal household waste. Please take it to
a designated recycling point for electric
and electronic appliances.
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This is indicated by the symbol on the
product, the operating instructions or the
packaging.
TECHNICAL SPECIFICATIONS
Transducer type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dynamic
Operating principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Closed
Frequency response . . . . . . . . . . . . . . . . . . . . . . . . 5 - 35,000 Hz
Nominal impedance . . . . . . . . . . . . . . . . . . 32 Ω / 80 Ω / 250 Ω
Nominal SPL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 dB
T.H.D.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Power handling capacity . . . . . . . . . . . . . . . . . . . . . . . . 100 mW
Sound coupling to the ear . . . . . . . . . . . . . . . . . . Circumaural
Ambient noise attenuation
32 Ω version . . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 20 dBA
80 Ω / 250 Ω version . . . . . . . . . . . . . . . . . . . . . approx. 18 dBA
Nominal headband pressure . . . . . . . . . . . . . . . approx. 3.5 N
Weight
32 Ω version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 g
80 Ω version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 g
250 Ω version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380 g
Length and type of cable . . . . 1.6 m / straight cable (32 Ω)
Connection . . . . . . . Gold plated stereo jack plug (3.5 mm)
(all specifications acc. to EN 60 268-7)
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3 m / straight cable (80 Ω)
3 m / coiled cable (250 Ω)
and 1/4" adapter (6.35 mm)