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Beyerdynamic DT 287 Specifications
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Beyerdynamic DT 287 Specifications

Headsets with condenser microphone
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DT 287 / DT 297
Headsets with Condenser Microphone
F
EATURES
• Closed headphone
• Good ambient noise attenuation
• Neodymium magnet system for very high
reproduction precision
• Soft, circumaural ear pads
• Cardioid condenser microphone
• Single-sided connecting cable, plug-in type
(delivery does not include the connecting cable)
• Limiter (optional)
• Flexible, pivotable gooseneck for optimal positioning with
elasticated microphone suspension
• Improvement of immunity against RFI (Radio Frequency
Interference) caused by GSM, DECT, UMTS, Tetra etc.
• DT 287 single-sided version
A
PPLICATIONS
The lightweight, closed DT 297 headset has been developed for
professional broadcasting use.
The headphone features an efficient neodymium magnet system,
giving very precise reproduction and excellent intelligibility.
Another special feature is the wide frequency response of
10 - 30,000 Hz. The headsets are available with 80 Ω or 250 Ω
systems.
This headset is equipped with a condenser capsule with an extended
bass response. The microphone can be optimally positioned with
the flexible gooseneck. The optimum distance to the mouth is around
5 to 10 cm. The frequency response for this distance corresponds
to recommendations of the IRT (Institute for Radiotechnology in
Munich). The microphone holder is rotatable so that the micro-
phone can be worn on the left or right side. The soft circumaural ear
pads and the fully adjustable padded headband offer a outstanding
comfort.
The cardioid polar pattern ensures high-gain-before feedback and
noise cancellation. The wide frequency response ensures clear and
precise speech reproduction and intelligibility.
All parts such as earpads, headband and gooseneck microphone
are easy to replace.
S
P
PARE
ARTS
EDT 250 V Ear pads, velours,
circumaural . . . . . . . . . . . . . . . . . Order # 942.704
EDT 250 S Ear pads, soft PVC,
circumaural . . . . . . . . . . . . . . . . . Order # 943.549
WS 97 AZ Wind / pop shield,
charcoal-grey . . . . . . . . . . . . . . . . Order # 465.313
1 of 3
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. E6/DT 287/297 (07.10)
DT 297
T
S
ECHNICAL
PECIFICATIONS
Headphone
Transducer principle. . . . . . . . . . . . . . . . Dynamic
Operating principle . . . . . . . . . . . . . . . . Closed
Transmission range . . . . . . . . . . . . . . . . 10 - 30,000 Hz
Nominal impedance. . . . . . . . . . . . . . . . 80 Ω or 250 Ω
Nominal sound pressure level at 1 kHz. . 100 dB
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Ambient noise insulation . . . . . . . . . . . . approx. 16 dBA
Average pressure on ears. . . . . . . . . . . . 4.5 N
Weight without cable . . . . . . . . . . . . . . 240 g
Microphone. . . . . . . . . . . . . . . . . . . . . DT 297 PV
Transducer principle. . . . . . . . . . . . . . . . Condenser
Transmission range . . . . . . . . . . . . . . . . 40 - 20,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . . . . Cardioid
Output voltage at a distance of 5 cm. . . . . 5.5 mV
Nominal impedance. . . . . . . . . . . . . . . . approx. 300 Ω
Nominal output impedance . . . . . . . . . . > 1000 Ω
Open circuit voltage . . . . . . . . . . . . . . . 5 mV/Pa at f = 1 kHz
Max. SPL . . . . . . . . . . . . . . . . . . . . . . . . 132 dB
S/N ratio . . . . . . . . . . . . . . . . . . . . . . . . 62 dB
Current consumption . . . . . . . . . . . . . . approx. 3.5 mA
Phantom supply. . . . . . . . . . . . . . . . . . . 12 - 48 V
Microphone. . . . . . . . . . . . . . . . . . . . . DT 297 V.11
Transducer principle. . . . . . . . . . . . . . . . Condenser
Transmission range . . . . . . . . . . . . . . . . 20 - 20,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . . . . Cardioid
Output voltage at a distance of 5 cm. . . . . 52 mV - 1.3 V, adjustable
Nominal impedance. . . . . . . . . . . . . . . . approx. 300 Ω
Current consumption . . . . . . . . . . . . . . 6 - 56 mA
Dimensions
Gooseneck length: . . . . . . . . . . . . . . . . 120 mm
Capsule diameter: . . . . . . . . . . . . . . . . . 19 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . 30 g
DT 287
(back electret)
(back electret)

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Summary of Contents for Beyerdynamic DT 287

  • Page 1 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. E6/DT 287/297 (07.10)
  • Page 2 5-pin XLR-plug, 1.5 m long..Order # 445.312 DT 287 PV MK II LTD Single-ear headset, 80 Ω, condenser WK 190.00 Bare-ended coiled cable ..Order # 448.176 microphone (cardioid), with limiter, without cable .
  • Page 3 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. E6/DT 287/297 (07.10)