1. Entwodiksyon
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, fini nwa.
2. Enfòmasyon sou Sekirite
- Plasman: Ensure the speaker is placed on a stable, level surface to prevent it from falling.
- Vantilasyon: Do not block any ventilation openings. Allow adequate space around the speaker for proper airflow.
- Imidite: Do not expose the speaker to rain, moisture, or excessive humidity. Keep liquids away from the speaker.
- Chalè: Keep the speaker away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Pouvwa: This is a passive speaker and requires connection to an appropriate amplifier or AV receiver. Ensure the ampLifter la etenn anvan ou fè nenpòt koneksyon.
- Netwayaj: Disconnect from power before cleaning. Use only a dry cloth.
3. Pake kontni
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. Enstalasyon ak Plasman
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 Sal Acoustics
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. Koneksyon
The KEF Q650c is a passive speaker and requires connection to an external amplifier or AV receiver. Ensure your ampLimifikatè/reseptè a etenn anvan ou fè nenpòt koneksyon.
5.1 Fil Oratè
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 amplifizè a, ak tèminal negatif (-) sou oratè a nan tèminal negatif (-) sou la amplifier.
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. Operasyon
Once properly connected to an amplifier or AV receiver, the KEF Q650c operates as part of your home theater system.
6.1 Limen
Limen reseptè AV ou oswa amplifier. The speaker will receive its audio signal and power from this connected device.
6.2 Kontwòl Volim
Adjust the volume using the controls on your AV receiver or amplifier. The Q650c is designed to handle up to 150 Watts of amppouvwa lifikatè.
6.3 Itilizasyon Rekòmande
The KEF Q650c is suitable for various audio applications, including:
- Sistèm son antoure
- Televizyon
- Jwè DVD
- Music Players (as part of a multi-channel setup)
7. Antretyen
To ensure the longevity and optimal performance of your KEF Q650c speaker, follow these maintenance guidelines:
- Netwayaj: 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.
- Pousyè: Regularly dust the speaker, especially the driver cones, using a soft brush or a microfiber cloth.
- Evite limyè solèy la dirèk: Ekspozisyon pwolonje nan limyè solèy dirèk ka lakòz dekolorasyon oswa domaj nan fini kabinèt la.
- Kondisyon anviwònman: Maintain a stable room temperature and humidity level. The speaker is not water-resistant.
NAN. Depanaj
If you encounter issues with your KEF Q650c speaker, refer to the following common troubleshooting steps:
8.1 Pa gen son
- Tcheke Koneksyon: Ensure all speaker wires are securely connected to both the speaker and the amplifier/receiver, observing correct polarity (+ to + and - to -).
- AmpAnviwònman lifikatè/Reseptè: Verifye ke ou 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.
- Materyèl Sous: Test with different audio sources to rule out an issue with the media itself.
8.2 Son Defòme
- Nivo volim: Diminye volim nan sou ou amplifier/receiver. Distortion often occurs when the ampLifyè a twò chaje.
- Fil Oratè: Inspect speaker wires for any fraying, damage, or loose connections that could cause interference.
- Amplifier pouvwa: Asire w amplifier's power output is within the recommended range for the Q650c (up to 150 Watts).
- Chanm Acoustics: Excessive bass or harsh treble can sometimes be mitigated by adjusting speaker placement or using room acoustic treatments.
9. Espesifikasyon
| Non modèl | Q650c |
| Kalite Oratè | Sant Chèn |
| Kalite aliye | Magnetic Mount (for grilles) |
| Materyèl | Paper, polypropylene, Kevlar, aluminum, titanium or silk (driver materials) |
| Dimansyon pwodwi (D x W x H) | 17"D x 41.5"W x 13.5"H |
| Pwa atik | 30 liv (13600 gram) |
| Enpedans | 8 Ohms |
| Oratè maksimòm pwodiksyon pouvwa | 150 Watts |
| Repons Frekans | 64 Hz (limit ki pi ba) |
| Koneksyon Teknoloji | Branche |
| Audio Sòti Mode | Stereo, Antoure |
| Woofer Dyamèt | 6.5 pous |
| Dyamèt tweeter | 25 Milimèt |
| Itilizasyon Andedan kay la / Deyò | Andedan kay la |
| Nivo rezistans dlo | Pa reziste dlo |
| UPC | 637203215841 |
10. Garanti ak sipò
10.1 Enfòmasyon sou Garanti
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 Sipò pou Kliyan
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.
Manifakti: KEF





