Introduction
The beyerdynamic DT 990 Premium Edition 250 Ohm headphones are high-definition, open-designed over-ear stereo headphones engineered for discerning audiophiles. Manufactured in Germany, these headphones are renowned for their superior craftsmanship, dynamic audio reproduction, and exceptional wearing comfort. This manual provides essential information for the proper use and care of your DT 990 headphones.
Image: The beyerdynamic DT 990 Premium Edition 250 Ohm headphones, showcasing their open-back design and plush earcups.
Кутуда эмне бар
Upon unboxing your beyerdynamic DT 990 Premium Edition headphones, please ensure all the following components are present:
- Beyerdynamic DT 990 - 250 Ohm Grey Headphones
- Жумшак ташуучу куту
- 3.5mm to 1/4" Adapter
Сүрөт: Side profile of the DT 990 headphones, highlighting the earcups and headband.
Жайгашуу
The DT 990 Premium Edition 250 Ohm headphones are designed for optimal performance with home stereo systems and high-fidelity audio equipment. Follow these steps for initial setup:
- Таңылганын ачуу: Кулакчындарды жана аксессуарларды таңгагынан этияттык менен алып чыгыңыз.
- Identify Connection: The headphones come with a 3.5mm mini-jack plug.
- Use Adapter (if needed): If your audio source (e.g., stereo receiver, amplifier) has a 1/4" (6.35mm) headphone output, attach the included 1/4" adapter to the 3.5mm plug of the headphones.
- Туташуу: Insert the headphone plug (with or without adapter) firmly into the headphone output jack of your audio device.
- Баш боосун тууралоо: Place the headphones on your head and adjust the headband for a comfortable and secure fit. The earcups should fully enclose your ears.
Сүрөт: алдыңкы view of the DT 990 headphones, showing the earcups and the adjustable headband.
Иштеп жатат
Once connected, operating your DT 990 headphones is straightforward:
- Power On Audio Source: Ensure your stereo system or audio device is powered on and playing audio.
- Үндү тууралоо: Use the volume control on your audio source to set the listening level. Start with a low volume and gradually increase it to a comfortable level. Avoid excessively high volumes to prevent hearing damage.
- Ырахаттануу: The open-back design of the DT 990 provides a spacious and natural soundstage, ideal for critical listening and enjoying high-fidelity audio.
Image: The DT 990 headphones displayed on a wooden headphone stand, illustrating their elegant design and suitability for home use.
Техникалык тейлөө
Proper care will ensure the longevity and performance of your DT 990 headphones:
- Тазалоо: Use a soft, dry cloth to wipe down the exterior of the headphones. For the ear pads, which are often made of velour, a lint roller or a slightly damp cloth can be used for light cleaning. Avoid harsh chemicals or abrasive materials.
- Кулакчындарды алмаштыруу: The ear pads are designed to be replaceable. If they become worn or damaged over time, new ear pads can be purchased from authorized beyerdynamic retailers. Refer to the official beyerdynamic website or support for replacement instructions.
- Сактагыч: When not in use, store the headphones in the included soft carrying case to protect them from dust and physical damage. Avoid exposing them to extreme temperatures or humidity.
- Кабельге кам көрүү: Avoid sharp bends or excessive pulling on the cable. Do not wrap the cable tightly around the headphones.
Проблемаларды чечүү
If you encounter issues with your DT 990 headphones, try the following solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Үн жок | Headphone plug not fully inserted; Audio source not playing or volume too low; Incorrect input selected on audio source. | Ensure plug is fully inserted. Check audio source volume and playback. Verify correct input selection on your stereo system. |
| Бурмаланган үн | Volume too high; Faulty audio source; Damaged cable or headphones. | Reduce volume. Test with another audio source. Inspect cable for damage. If issues persist, contact support. |
| Үн бир кулакта гана угат | Plug not fully inserted; Cable damage; Balance setting on audio source. | Ensure plug is fully inserted. Check audio source balance settings. Inspect cable for damage. |
Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Модель аты | DT990 |
| Импеданс | 250 Ом |
| Жыштык диапазону | 5 Гц - 35 кГц |
| Байланыш технологиясы | Зымдуу |
| Наушник уясы | 3.5 мм Джек |
| Кулак жайгаштыруу | Кулак үстүндө |
| Форма фактору | Кулак үстүндө |
| Элемент Салмагы | 290 грамм (10.2 унция) |
| Продукциянын өлчөмдөрү | 7 x 4 x 8.5 дюйм |
| Түс | Боз |
| Өндүрүүчү | бейердинамикалык |
| Шайкеш түзмөктөр | Стерео система |
| Камтылган компоненттер | 3.5mm to 1/4" Adapter, Beyerdynamic DT 990 - 250 Ohm Grey Headphones, Soft Carrying Case |
Кепилдик жана колдоо
Your beyerdynamic DT 990 Premium Edition headphones come with a 2 жылдык кепилдик for parts and labor, serviceable in the U.S.A.
For technical support, warranty claims, or inquiries regarding replacement parts (such as ear pads), please contact beyerdynamic USA directly. You can often find contact information and additional resources on the official beyerdynamic webсайтка же продуктуну сатып алган сатуучу аркылуу.
Расмий Колдонуучу колдонмосу (PDF) да жүктөп алуу үчүн жеткиликтүү: Колдонуучунун колдонмосун жүктөп алуу (PDF)
