Beyerdynamic DT 990 PRO 250 OHMS Руководство по эксплуатации онлайн
TECHNICAL SPECIFICATIONS
Transducer type . . . . . . . . . . . . . . . . Dynamic
Operating principle. . . . . . . . . . . . . . Open
Frequency response . . . . . . . . . . . . . 5 - 35,000 Hz
Nominal impedance . . . . . . . . . . . . . 32 Ω / 250 Ω / 600 Ω
Nominal SPL . . . . . . . . . . . . . . . . . . 96 dB
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Power handling capacity. . . . . . . . . . 100 mW
Sound coupling to the ear . . . . . . . . Circumaural
Nominal headband pressure. . . . . . . 2.8 N
Cable length and type . . . . . . . . . . . 3 m / straight cable
Connection . . . . . . . . . . . . . . . . . . . Gold-plated 1/8" mini stereo
jack plug (3.5 mm)
and 1/4" adapter (6.35 mm)
Weight without cable. . . . . . . . . . . . 290 g
(all specifications according to EN 60 268-7)
SPARE PARTS AND OPTIONAL ACCESSORIES
EDT 990 V Ear pads, velours,
circumaural, silver-grey . . . . . . Order # 926.679
BN 59-65/A Headband pad, leatherette,
black . . . . . . . . . . . . . . . . . . . . Order # 579.823
Straight extension cable,
5 m long, 1/4" jack (6.35 mm) -
1/4" jack (6.35 mm) . . . . . . . . Order # 565.385
FEATURES
• Open back design
• Strong bass and treble
• Robust spring steel headband
• Single-sided cable
• Soft headband pad
• Gold-plated 1/8" mini stereo jack plug (3.5 mm)
and 1/4" adapter (6.35 mm)
DESCRIPTION
The DT 990 is an open dynamic headphone of exceptional quality
and suitable for all music styles; whether you are into pop, classical
or jazz, the DT 990’s will deliver the true sound as it was originally
intended to. The reduced weight of the diaphragm and moving
coil result in a similar pulse characteristic as electrostatic headphones,
and in combination with a carefully tailored frequency response
provide a natural and balanced sound. Soft ear and headband
pads together with a single-sided cable ensure listening comfort
during extended periods of use.
The DT 990 is still manufactured in Germany providing an excellent
quality.
DT 990 Edition
Dynamic Headphone
beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E3 / DT 990 (02.11)
1 of 1
VERSIONS
DT 990 32 Ω, for portable players . . . . . . . Order # 483.958
DT 990 250 Ω, for home hi-fi systems . . . . Order # 481.807
DT 990 600 Ω, for high end systems . . . . . Order # 483.966
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