beyerdynamic DT 770 Pro Studio Headphone User Manual

beyerdynamic DT 770 Pro Studio Headphone

Product Information

The DT 770 PRO is a dynamic studio headphone designed for control and monitoring purposes. It features movable yokes and an adjustable headband made of spring steel, allowing it to be adapted to any head size. The connecting cable is single-sided and fitted with a 3-pole gold-plated mini jack plug (3.5 mm) and a screw-on gold-plated adapter for 1/4 jack sockets (6.35 mm).

The headphones should only be connected to a headphone socket to avoid damage. The product is not liable for improper use or use in applications not described in the product information.

Maintenance of the ear pads and headband is essential, and they should be kept clean using a damp cloth with warm water. Solvent cleaning agents should never be used, and the pads must be completely dry before reattaching them to the headphones. Replacement parts and accessories can be easily replaced by the user, while other components should be replaced by a qualified service personnel.

For more information on available versions, supplied accessories, and replacement parts, please visit the beyerdynamic website.

Product Usage Instructions

1. To remove the ear pads, carefully pull them away from the earphone shell using your fingertips.
2. To remove the headband pad, carefully unbutton it.
3. To attach the ear pad, insert the plastic lip of the earpad into the groove of the headphone and turn the ear pad clockwise until it is fully installed.
4. To attach the headband pad, place it around the headband and the connecting cable and fasten the buttons.
5. Turn the attached ear pad a few times as indicated by the arrow.

If technical problems occur while using the headphones or further guidance is needed, please visit the FAQ website at support.beyerdynamic.com. For service requirements, contact qualified service personnel or the beyerdynamic representative.

Thank you for selecting the DT 770 PRO dynamic studio headphones.
Please take some time to read carefully through this information before using the product.

ENJOY THE SOUND!
Your beyerdynamic PRO Team

SAFETY INSTRUCTIONS

Risk of injury

• We would like to point out that excessively high volumes and long listening times may cause hearing damage. Hearing defects always constitute an irreversible impairment of hearing ability. If you suffer from tinnitus, do not use headphones or reduce the volume.
• According to regulations to protect employees against damages caused by noise and vibrations, please follow these instructions:
  • 85 dB SPL for max. 8 hours
  • 88 dB SPL for max. 4 hours
  • 91 dB SPL for max. 2 hours
  • 94 dB SPL for max. 1 hour
  • 97 dB SPL for max. 30 minutes
  • 100 dB SPL for max. 15 minutes
    When connecting the headphones, please ensure that the volume is turned down to minimum. Adjust the volume after putting on the headphones.

Danger to life

• Headphones drastically reduce perception of external sounds. Using headphones in road traffic can be potentially dangerous. The user’s hearing must not be impaired to the extent that it causes road safety risks. Please also make sure that you do not use the headphones in traffic, especially within an area of potentially dangerous machines and tools.
• Furthermore, avoid using headphones in situations where hearing must not be affected, especially when crossing a railway crossing or at a construction site.

Liability / intended use

• Do not use the product for any application which is not described in this product information.
• beyer dynamic is not liable for improper use of the product and its accessories.

DESIGN FEATURES

The DT 770 PRO is a closed dynamic headphone and was designed for critical music and sound monitoring in an open environment. It has a bass reflex system to give low-frequency response down to 5 Hz and is equalised to the diffuse sound field. The weight of the diaphragm and moving coil of this headphone is approx. 20% compared to other current models. As a result, the
DT 770 PRO offers similar pulse characteristics as electro-static headphones. The cushion systems and light weight allow the DT 770 PRO to be used in complete comfort for long periods.

APPLICATION

• The DT 770 PRO is ideal for control and monitoring purposes. .
• Due to the movable yokes and the adjustable head-band made of spring steel, it can be ideally adapted to any head size.
• The connecting cable is single-sided and fitted with a 3-pole gold-plated mini jack plug (3.5 mm) and screw-on gold-plated adapter for 1/4″ jack sockets (6.35 mm).
• Caution:
  Connect the jack connector of the headphone cable to a headphone socket only! If you connect the headphones to any other jack socket, the head-phones could be damaged.

MAINTENANCE

• As with any equipment which will be used in close proximity to sensitive areas of the body, it is essential that the ear pads and headband are kept clean. Use a damp cloth for cleaning using warm water only taking care not to allow any water drops into the ear cups or transducers.
• If necessary, you can carefully remove the ear pads and headband pad and clean them with mild soapy water.
• WARNING: Never use any solvent cleaning agents!Furthermore, the pads must be completely dry before they are attached to the headphone again.
• WARNING: Never use a vacuum cleaner for cleaning the headphones, as this may cause irreparable damage.
• Should it become necessary to replace the ear pads or the headband pad, refer to “Replacement parts and Accessories”. You can easily do this yourself.
• If other components have to be replaced, please contact your local beyer dynamic representative.

HOW TO CHANGE THE EAR PADS

• To remove the ear pads, carefully pull them away from the earphone shell using your fingertips.

• To attach the ear pad, insert the plastic lip of the earpad into the groove of the headphone and turn the ear pad clockwise until the ear pad is fully installed.

• Turn the attached ear pad a few times. as indicated by the arrow.

HOW TO CHANGE THE HEADBAND PAD

• To remove the headband pad, carefully unbutton the headband pad.

• To attach the headband pad, place it around the headband and the connecting cable and fasten the buttons.

VERSIONS
Available versions can be found at: www.beyerdynamic.com

SUPPLIED ACCESSORIES

• 1 x 1/4″ (6.35 mm) jack adapter
• 1 x Drawstring bag

ACCESSORIES AND REPLACEMENT PARTS

• Accessories and replacement equipment can be found at: www.beyerdynamic.com
• If you have technical problems while using the head- phones or need further guidance, please visit our FAQ website at: support.beyerdynamic.com 

SERVICE

• If you require service, please contact qualified service personnel or directly: beyerdynamic Service- und Logistik Center E- mail: service@beyerdynamic.de
• Dismantling the headphone yourself will invalidate the guarantee.

DISPOSAL

• 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.
• 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) 3 m / straight cable (80 Ω) 3 m / coiled cable (250 Ω)
• Connection . . . . . . . Gold plated stereo jack plug (3.5 mm) and 1/4″ adapter (6.35 mm) (all specifications acc. to EN 60 268-7)

beyerdynamic GmbH & Co. KG
Theresienstraße 8 • 74072 Heilbronn / Germany
Phone +49 7131 617-300
E-Mail info@beyerdynamic.de
www.beyerdynamic.com
For further distributors worldwide,
please go to www.beyerdynamic.com
Non-contractual illustrations.
Subject to change without notice.
Weitere Vertriebspartner weltweit finden
Sie im Internet unter www.beyerdynamic.com
Abbildungen nicht vertragsbindend.
Änderungen vorbehalten.
EN-DE-FR-ES-IT-SV-NL-RU-KO-JP-ZH 1
DT 770 PRO • (08.22)

References

• Headphones & Microphones |beyerdynamic

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