Introducción
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your KEF R400GB R400b Front Firing Powerful Subwoofer. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
Image: KEF R400GB R400b Subwoofer in High Gloss Piano Black, showcasing its compact design and front-firing driver with a silver trim.
Información de seguridad
Siga siempre las siguientes pautas de seguridad:
- Ensure the subwoofer is placed on a stable, level surface to prevent tipping.
- No exponga la unidad a humedad excesiva ni a temperaturas extremas.
- Disconnect the power cord from the wall outlet before cleaning or performing any maintenance.
- No bloquee las aberturas de ventilación.
- Deje todo servicio a personal de servicio calificado.
Configuración
Desembalaje
- Retire con cuidado el subwoofer de su embalaje.
- Inspeccione la unidad para detectar cualquier daño durante el transporte. Contacte a su distribuidor inmediatamente si encuentra algún daño.
- Conserve el embalaje original para futuro transporte o almacenamiento.
Colocación
The placement of the subwoofer significantly impacts its performance. Consider the following:
- Acústica de la habitación: Bass response is heavily influenced by room dimensions and furnishings. Experiment with different locations.
- Colocación de la esquina: Placing the subwoofer in a corner often maximizes bass output, but can sometimes lead to boomy sound.
- Colocación en la pared: Placing it along a wall can provide a balanced bass response.
- Posición de escucha: The ideal placement often involves finding a balance between room acoustics and proximity to the main listening area.
Image: KEF R400GB R400b Subwoofer positioned in a living space, demonstrating a typical placement scenario near a window.
Conexiones
The R400b subwoofer requires a power connection and an audio signal input. Ensure all connections are secure before powering on the unit.
- Conexión de energía: Connect the provided power cord to the subwoofer's power input and then to a suitable wall outlet. The unit supports 100V - 120V or 220V - 240V, ~50/60Hz.
- Entrada de audio: Conecte su receptor AV o amplifier's subwoofer output (LFE or Sub Out) to the LFE input on the R400b. Use a high-quality RCA cable for optimal signal transfer.
Instrucciones de funcionamiento
Encendido inicial
- After making all connections, plug the subwoofer into the power outlet.
- Locate the power switch on the rear panel and turn the unit ON.
- La luz indicadora de encendido se iluminará.
Ajuste de la configuración
The R400b features controls to fine-tune its performance to your listening environment and main speakers.
- Control de volumen/ganancia: Adjust this to match the output level of your main speakers. Start low and gradually increase.
- Frecuencia de cruce: This control determines the highest frequency the subwoofer will reproduce. It should be set to blend seamlessly with your main speakers. A common starting point is 80Hz, but refer to your main speaker's specifications.
- Control de fase: This adjusts the phase of the subwoofer's output relative to your main speakers. Experiment with 0° and 180° settings to find the one that provides the most impactful and coherent bass.
Imagen: Frente view of the KEF R400GB R400b Subwoofer, highlighting its sleek design and the KEF branding.
Mantenimiento
Proper care will ensure the longevity and performance of your KEF R400GB subwoofer.
- Limpieza: Use a soft, dry, lint-free cloth to wipe the cabinet. For high-gloss finishes, a slightly damp cloth followed by a dry one can be used, but avoid abrasive cleaners or solvents.
- Limpiar el polvo: Regularly dust the unit to prevent accumulation, especially around the drivers and ventilation areas.
- Ventilación: Ensure adequate airflow around the subwoofer. Do not place it in an enclosed cabinet without proper ventilation.
- Evite la luz solar directa: La exposición prolongada a la luz solar directa puede provocar decoloración o daños en el acabado.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| Sin sonido |
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| Graves distorsionados o retumbantes |
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| Ruido de zumbido |
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Presupuesto
| Característica | Detalle |
|---|---|
| Modelo | R400GB |
| Diseño | Front Firing Powerful Subwoofer |
| Conductores | Two 9-inch (225mm) ultra-low distortion bass drivers with force-cancelling technology |
| Rango de frecuencia | 26Hz - 140Hz (-6dB) |
| Amptipo de vida | Clase D incorporada |
| Potencia de salida | 500 vatios (RMS) |
| Requisitos de energía | 100V - 120V / 220V - 240V, ~ 50 / 60Hz |
| Dimensiones (alto x ancho x profundidad) | 43.18 x 43.18 x 48.26 cm (17 x 17 x 19 pulgadas) |
| Peso | 453.59 g (aprox. 1 libra) (Note: This weight appears unusually low for a subwoofer of this size and power, possibly a data entry error.) |
| Material | Wood/Plastic (Enclosure), Common (Components) |
| Color | High Gloss Piano Black |
| Características especiales | Voice Control, Force-Cancelling Technology |
Garantía y soporte
Información de garantía
KEF products are designed and manufactured to the highest quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official KEF webSitio. Conserve su comprobante de compra para reclamaciones de garantía.
Atención al cliente
For technical assistance, product inquiries, or service requests, please contact KEF customer support. You can find contact information on the official KEF websitio o a través de su distribuidor autorizado.
KEF oficial Websitio: es.kef.com (Note: This is a general link to KEF's US site, as no specific support link was provided in the data.)
