1. හැඳින්වීම
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 ආරක්ෂිත තොරතුරු
- ස්ථානගත කිරීම: Ensure the speaker is placed on a stable, level surface to prevent it from falling.
- වාතාශ්රය: Do not block any ventilation openings. Allow adequate space around the speaker for proper airflow.
- තෙතමනය: Do not expose the speaker to rain, moisture, or excessive humidity. Keep liquids away from the speaker.
- තාපය: Keep the speaker away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- බලය: This is a passive speaker and requires connection to an appropriate amplifier or AV receiver. Ensure the ampසම්බන්ධතා ඇති කර ගැනීමට පෙර lifier ක්රියා විරහිත කර ඇත.
- පිරිසිදු කිරීම: Disconnect from power before cleaning. Use only a dry cloth.
3. පැකේජ අන්තර්ගතය
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. සැකසුම සහ ස්ථානගත කිරීම
Optimal placement of the KEF Q650c is crucial for achieving the best sound performance in your home theater system.
4.1 පොදු ස්ථානගත කිරීම
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 කාමර ධ්වනි විද්යාව
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. සම්බන්ධතා
The KEF Q650c is a passive speaker and requires connection to an external amplifier or AV receiver. Ensure your ampකිසියම් සම්බන්ධතාවයක් ඇති කර ගැනීමට පෙර ලයිෆයර්/ග්රාහකය අක්රිය කර ඇත.
5.1 ස්පීකර් වයර්
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 ampලිෆයර්, සහ ස්පීකරයේ සෘණ (-) අග්රය සෘණ (-) අග්රයට ampජීවිතාරක්ෂකයා.
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. මෙහෙයුම
Once properly connected to an amplifier or AV receiver, the KEF Q650c operates as part of your home theater system.
6.1 බල ගැන්වීම
ඔබගේ AV ග්රාහකය ක්රියාත්මක කරන්න හෝ amplifier. The speaker will receive its audio signal and power from this connected device.
6.2 වෙළුම් පාලනය
Adjust the volume using the controls on your AV receiver or amplifier. The Q650c is designed to handle up to 150 Watts of ampලයිෆයර් බලය.
6.3 නිර්දේශිත භාවිතයන්
The KEF Q650c is suitable for various audio applications, including:
- අවට ශබ්ද පද්ධති
- රූපවාහිනී
- DVD ධාවකයන්
- Music Players (as part of a multi-channel setup)
7. නඩත්තු කිරීම
To ensure the longevity and optimal performance of your KEF Q650c speaker, follow these maintenance guidelines:
- පිරිසිදු කිරීම: 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.
- දූවිලි: Regularly dust the speaker, especially the driver cones, using a soft brush or a microfiber cloth.
- සෘජු හිරු එළියෙන් වළකින්න: Prolonged exposure to direct sunlight can cause fading or damage to the cabinet finish.
- පාරිසරික තත්ත්වයන්: Maintain a stable room temperature and humidity level. The speaker is not water-resistant.
8. දෝශ නිරාකරණය
If you encounter issues with your KEF Q650c speaker, refer to the following common troubleshooting steps:
8.1 ශබ්දයක් නැත
- සම්බන්ධතා පරීක්ෂා කරන්න: Ensure all speaker wires are securely connected to both the speaker and the amplifier/receiver, observing correct polarity (+ to + and - to -).
- Ampලයිෆයර්/ග්රාහක සැකසුම්: ඔබගේ බව තහවුරු කරන්න 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.
- මූලාශ්ර ද්රව්ය: Test with different audio sources to rule out an issue with the media itself.
8.2 විකෘති ශබ්දය
- වෙළුම් මට්ටම: ඔබේ දුරකථනයේ ශබ්දය අඩු කරන්න amplifier/receiver. Distortion often occurs when the ampලිෆයර් අධික ලෙස ධාවනය වේ.
- ස්පීකර් වයර්: Inspect speaker wires for any fraying, damage, or loose connections that could cause interference.
- Ampජීව බලය: ඔබේ amplifier's power output is within the recommended range for the Q650c (up to 150 Watts).
- කාමර ශබ්ද: Excessive bass or harsh treble can sometimes be mitigated by adjusting speaker placement or using room acoustic treatments.
9. පිරිවිතර
| මාදිලියේ නම | Q650c |
| ස්පීකර් වර්ගය | මධ්යස්ථාන නාලිකාව |
| සවිකිරීමේ වර්ගය | Magnetic Mount (for grilles) |
| ද්රව්ය | Paper, polypropylene, Kevlar, aluminum, titanium or silk (driver materials) |
| නිෂ්පාදන මානයන් (D x W x H) | 17"D x 41.5"W x 13.5"H |
| අයිතමයේ බර | රාත්තල් 30 (ග්රෑම් 13600) |
| සම්බාධනය | 8 ඕම් |
| ස්පීකර් උපරිම නිමැවුම් බලය | වොට් 150 |
| සංඛ්යාත ප්රතිචාරය | 64 Hz (පහළ සීමාව) |
| සම්බන්ධතා තාක්ෂණය | රැහැන්ගත |
| ශ්රව්ය ප්රතිදාන ප්රකාරය | ස්ටීරියෝ, සරවුන්ඩ් |
| වූෆර් විෂ්කම්භය | අඟල් 6.5 |
| ට්වීටර් විෂ්කම්භය | මිලිමීටර් 25 යි |
| ගෘහස්ථ / එළිමහන් භාවිතය | ගෘහස්ථ |
| ජල ප්රතිරෝධක මට්ටම | ජලයට ඔරොත්තු නොදෙන |
| UPC | 637203215841 |
10. වගකීම් සහ සහාය
10.1 වගකීම් තොරතුරු
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 පාරිභෝගික සහාය
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.
නිෂ්පාදකයා: KEF