ຄູ່ມືການໃຊ້ລຳໂພງຊ່ອງກາງ KEF Q650c

1. ບົດແນະນຳ

This manual provides essential information for the proper setup, operation, and maintenance of your KEF Q650c Center Channel Speaker. The KEF Q650c is engineered to accurately reproduce dialogue and central sound elements within a home theater system, ensuring a clear and immersive audio experience.

Key features include a revamped Uni-Q Driver Array with a damped tweeter loading tube for smooth treble frequencies, a central 6.5-inch Uni-Q Driver Array, and two flanking 6.5-inch bass drivers. The speaker also benefits from a closed-box midrange cabinet, which enhances clarity and delivers a cleaner, more defined bass response.

Image 1: KEF Q650c Center Channel Speaker, angled front view, black finish.

2. ຂໍ້ມູນຄວາມປອດໄພ

• ການຈັດວາງ: Ensure the speaker is placed on a stable, level surface to prevent it from falling.
• ການລະບາຍອາກາດ: Do not block any ventilation openings. Allow adequate space around the speaker for proper airflow.
• ຄວາມຊຸ່ມ: Do not expose the speaker to rain, moisture, or excessive humidity. Keep liquids away from the speaker.
• ຄວາມຮ້ອນ: ເກັບຮັກສາລຳໂພງໃຫ້ຫ່າງຈາກແຫຼ່ງຄວາມຮ້ອນ ເຊັ່ນ: ເຄື່ອງເຮັດຄວາມຮ້ອນ, ເຄື່ອງບັນທຶກຄວາມຮ້ອນ, ເຕົາໄຟ ຫຼື ອຸປະກອນອື່ນໆທີ່ຜະລິດຄວາມຮ້ອນ.
• ພະລັງງານ: This is a passive speaker and requires connection to an appropriate amplifier or AV receiver. Ensure the ampເຄື່ອງເປີດເຄື່ອງຈະຖືກປິດກ່ອນທີ່ຈະເຮັດການເຊື່ອມຕໍ່ໃດໆ.
• ທໍາຄວາມສະອາດ: Disconnect from power before cleaning. Use only a dry cloth.

3. ເນື້ອໃນຊຸດ

The KEF Q650c Center Channel Speaker package includes:

• 1 KEF Q650c Center Channel Speaker

Note: Magnetic grilles for the Q650c are sold separately and are not included in the standard package.

4. ການຕິດຕັ້ງແລະການຈັດວາງ

Optimal placement of the KEF Q650c is crucial for achieving the best sound performance in your home theater system.

4.1 General Placement

The center channel speaker should ideally be placed directly below or above your television screen, centered horizontally. Aim to position the speaker as close to ear level as possible when seated in your primary listening position. This ensures that dialogue and central sound effects appear to originate directly from the screen.

Image 2: KEF Q650c Center Channel Speaker on a media console.

4.2 Cabinet Placement

Due to its closed-box midrange cabinet design, the Q650c can be placed inside a cabinet or on a shelf without significant adverse effects on its bass performance, unlike ported speakers that require space for their rear ports. Ensure there is still adequate ventilation around the speaker to prevent overheating of any associated electronics.

Image 3: KEF Q650c in a home theater setup.

4.3 ຫ້ອງສຽງ

Consider the acoustics of your room. Hard surfaces can reflect sound, while soft furnishings can absorb it. Experiment with speaker positioning and room treatments to achieve balanced sound. Avoid placing the speaker directly against a wall if possible, as this can sometimes lead to excessive bass.

Image 4: KEF Q650c in a comprehensive audio system.

5. ການເຊື່ອມຕໍ່

The KEF Q650c is a passive speaker and requires connection to an external ampເຄື່ອງສົ່ງສັນຍານ ຫຼື ເຄື່ອງຮັບສັນຍານ AV. ໃຫ້ແນ່ໃຈວ່າທ່ານ amplifier/receiver ຖືກປິດກ່ອນທີ່ຈະເຮັດການເຊື່ອມຕໍ່ໃດໆ.

5.1 ສາຍລຳໂພງ

Use high-quality speaker wire to connect the Q650c to the center channel output terminals on your amplifier or AV receiver. Observe correct polarity: connect the positive (+) terminal on the speaker to the positive (+) terminal on the amplifier, and the negative (-) terminal on the speaker to the negative (-) terminal on the ampມີຊີວິດຊີວາ.

5.2 Terminal Type

The Q650c typically features binding post terminals that accept bare wire, spade connectors, or banana plugs. Ensure connections are secure to prevent signal loss or short circuits.

6. ການດໍາເນີນງານ

Once properly connected to an amplifier or AV receiver, the KEF Q650c operates as part of your home theater system.

6.1 ການເປີດເຄື່ອງ

ເປີດເຄື່ອງຮັບ AV ຂອງທ່ານ ຫຼື amplifier. The speaker will receive its audio signal and power from this connected device.

6.2 ການຄວບຄຸມປະລິມານ

Adjust the volume using the controls on your AV receiver or amplifier. The Q650c is designed to handle up to 150 Watts of ampພະ​ລັງ​ງານ lifier​.

6.3 ການນຳໃຊ້ທີ່ແນະນຳ

The KEF Q650c is suitable for various audio applications, including:

• ລະບົບສຽງອ້ອມຮອບ
• ໂທລະພາບ
• ເຄື່ອງຫຼິ້ນດີວີດີ
• Music Players (as part of a multi-channel setup)

7. ບໍາລຸງຮັກສາ

To ensure the longevity and optimal performance of your KEF Q650c speaker, follow these maintenance guidelines:

• ທໍາຄວາມສະອາດ: Gently wipe the speaker cabinet with a soft, dry, lint-free cloth. Do not use abrasive cleaners, waxes, or solvents, as these can damage the finish.
• ຂີ້ຝຸ່ນ: Regularly dust the speaker, especially the driver cones, using a soft brush or a microfiber cloth.
• ຫຼີກເວັ້ນແສງແດດໂດຍກົງ: Prolonged exposure to direct sunlight can cause fading or damage to the cabinet finish.
• ເງື່ອນໄຂສິ່ງແວດລ້ອມ: Maintain a stable room temperature and humidity level. The speaker is not water-resistant.

8. ການແກ້ໄຂບັນຫາ

If you encounter issues with your KEF Q650c speaker, refer to the following common troubleshooting steps:

8.1 ບໍ່ມີສຽງ

• ກວດສອບການເຊື່ອມຕໍ່: ໃຫ້ແນ່ໃຈວ່າສາຍລຳໂພງທັງໝົດໄດ້ເຊື່ອມຕໍ່ກັບທັງລຳໂພງ ແລະ ສາຍໄຟຢ່າງແໜ້ນໜາແລ້ວ amplifier/receiver, observing correct polarity (+ to + and - to -).
• Ampການ​ຕັ້ງ​ຄ່າ lifier/Receiver​: ກວດ​ສອບ​ວ່າ​ຂອງ​ທ່ານ​ amplifier or AV receiver is powered on, the correct input source is selected, and the volume is turned up. Check the speaker output settings in your receiver's menu to ensure the center channel is enabled.
• ແຫຼ່ງຂໍ້ມູນ: Test with different audio sources to rule out an issue with the media itself.

8.2 ສຽງບິດເບືອນ

• ລະດັບສຽງ: ຫຼຸດລະດັບສຽງໃສ່ຂອງທ່ານ ampຕົວສົ່ງ/ຕົວຮັບ. ການບິດເບືອນມັກຈະເກີດຂຶ້ນເມື່ອ ampເຄື່ອງຊ່ວຍຫາຍໃຈຖືກເຮັດວຽກເກີນກຳນົດ.
• ສາຍລຳໂພງ: Inspect speaker wires for any fraying, damage, or loose connections that could cause interference.
• Ampພະລັງງານຊີວິດ: ຮັບປະກັນຂອງທ່ານ amplifier's power output is within the recommended range for the Q650c (up to 150 Watts).
• ສຽງຫ້ອງ: Excessive bass or harsh treble can sometimes be mitigated by adjusting speaker placement or using room acoustic treatments.

9. ຂໍ້ມູນຈໍາເພາະ

10. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ

10.1 ຂໍ້ມູນການຮັບປະກັນ

The KEF Q650c Center Channel Speaker comes with a Limited Warranty. Please refer to the warranty documentation provided with your purchase for specific terms, conditions, and duration of coverage.

10.2 ສະຫນັບສະຫນູນລູກຄ້າ

For technical assistance, service, or further inquiries, please visit the official KEF website or contact KEF customer support directly. You can often find detailed FAQs, product registration, and contact information on their support pages.

ຜູ້ຜະລິດ: KEF