1. Introducción
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.
Las características principales incluyen una 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. Información de seguridad
- Colocación: Ensure the speaker is placed on a stable, level surface to prevent it from falling.
- Ventilación: Do not block any ventilation openings. Allow adequate space around the speaker for proper airflow.
- Humedad: Do not expose the speaker to rain, moisture, or excessive humidity. Keep liquids away from the speaker.
- Calor: Mantenga el altavoz alejado de fuentes de calor como radiadores, rejillas de calefacción, estufas u otros aparatos que produzcan calor.
- Fuerza: This is a passive speaker and requires connection to an appropriate amplificador o receptor AV. Asegúrese de que ampAsegúrese de que el limitador esté apagado antes de realizar cualquier conexión.
- Limpieza: Disconnect from power before cleaning. Use only a dry cloth.
3. Contenido del paquete
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. Configuración y ubicación
Optimal placement of the KEF Q650c is crucial for achieving the best sound performance in your home theater system.
4.1 Colocación general
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 Acústica de la sala
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. Conexiones
The KEF Q650c is a passive speaker and requires connection to an external amplifier or AV receiver. Ensure your ampEl amplificador/receptor se apaga antes de realizar cualquier conexión.
5.1 cables de altavoz
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 amplificador, y el terminal negativo (-) del altavoz al terminal negativo (-) del ampmás duradero.
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. Operación
Una vez conectado correctamente a un amplifier or AV receiver, the KEF Q650c operates as part of your home theater system.
6.1 Encendido
Encienda su receptor de AV o amplifier. The speaker will receive its audio signal and power from this connected device.
6.2 Control de volumen
Adjust the volume using the controls on your AV receiver or amplifier. The Q650c is designed to handle up to 150 Watts of amppoder elevador.
6.3 Usos recomendados
The KEF Q650c is suitable for various audio applications, including:
- Sistemas de sonido envolvente
- Televisores
- Reproductores de DVD
- Music Players (as part of a multi-channel setup)
7. Mantenimiento
To ensure the longevity and optimal performance of your KEF Q650c speaker, follow these maintenance guidelines:
- Limpieza: 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.
- Polvo: Regularly dust the speaker, especially the driver cones, using a soft brush or a microfiber cloth.
- Evite la luz solar directa: Prolonged exposure to direct sunlight can cause fading or damage to the cabinet finish.
- Condiciones ambientales: Maintain a stable room temperature and humidity level. The speaker is not water-resistant.
8. Solución de problemas
If you encounter issues with your KEF Q650c speaker, refer to the following common troubleshooting steps:
8.1 Sin sonido
- Comprobar conexiones: Ensure all speaker wires are securely connected to both the speaker and the amplifier/receiver, observing correct polarity (+ to + and - to -).
- AmpConfiguración del lificador/receptor: Verifique que su 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.
- Material de origen: Test with different audio sources to rule out an issue with the media itself.
8.2 Sonido distorsionado
- Nivel de volumen: Reduce el volumen de tu amplifier/receiver. Distortion often occurs when the ampEl lifier está sobrecargado.
- Cable de altavoz: Inspect speaker wires for any fraying, damage, or loose connections that could cause interference.
- AmpPoder más vital: Asegúrese de que su amplifier's power output is within the recommended range for the Q650c (up to 150 Watts).
- Acústica de la habitación: Excessive bass or harsh treble can sometimes be mitigated by adjusting speaker placement or using room acoustic treatments.
9. Especificaciones
| Nombre del modelo | Q650c |
| Tipo de altavoz | Canal central |
| Tipo de montaje | Magnetic Mount (for grilles) |
| Material | Paper, polypropylene, Kevlar, aluminum, titanium or silk (driver materials) |
| Dimensiones del producto (Pr. x An. x Al.) | 17" de profundidad x 41.5" de ancho x 13.5" de alto |
| Peso del artículo | 30 libras (13600 gramos) |
| Impedancia | 8 ohmios |
| Potencia máxima de salida del altavoz | 150 vatios |
| Respuesta de frecuencia | 64 Hz (límite inferior) |
| Tecnología de conectividad | Cableado |
| Modo de salida de audio | Estéreo, envolvente |
| Diámetro del woofer | 6.5 pulgadas |
| Diámetro del tweeter | 25 milímetros |
| Uso en interiores y exteriores | Interior |
| Nivel de resistencia al agua | No resistente al agua |
| Código Postal | 637203215841 |
10. Garantía y soporte
10.1 Información de garantía
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 Atención al cliente
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.
Fabricante: KEF





