Introducción
The Legacy LA120 is a high-performance 2-channel power amplifier designed to deliver clear and powerful audio. This manual provides essential information for the proper installation, operation, and maintenance of your amplificador, garantizando un rendimiento óptimo y longevidad.
Frente view of the Legacy LA120 2-Channel 240W Amplificador, espectáculoasing its black aluminum alloy heat sink design, 'LEGACY' branding, 'LA120' model number, and '2 Channel High Performance Power Amplifier 240W' text. This image illustrates the compact and robust design of the ampmás duradero.
Características principales
- Potencia de salida total: 240 Watts (120 Watts x 2 Channels)
- Circuito de protección: 3-way protection (short circuit, thermal overload, electrical overload)
- Disipador de calor: Heavy-duty aluminum alloy for efficient heat dissipation
- Control de ganancia: Variable gain control for precise audio level matching
- Opciones de entrada: High-level and low-level inputs for versatile connectivity
Configuración e instalación
Una instalación adecuada es crucial para la amplifier's performance and safety. It is recommended to have this unit installed by a qualified professional.
Ubicación de montaje
Elija un lugar de montaje seco, bien ventilado y alejado de la luz solar directa o fuentes de calor. Asegúrese de que haya suficiente ventilación alrededor del amplifier's heat sink. The amplifier is designed for freestanding mount.
Conexiones de cableado
- Power Connection (12V): Connect the main power cable from the amplifier to the positive terminal of the vehicle's battery. Use appropriate gauge wire and an inline fuse (not supplied) as close to the battery as possible.
- Conexión a tierra: Conecte el cable de tierra del amplifier to a clean, unpainted metal surface of the vehicle's chassis. Ensure a solid, low-resistance connection.
- Encendido remoto: Conecte el cable de encendido remoto desde el amplifier to the remote output of your head unit. This will turn the ampEnciende y apaga el amplificador con tu sistema de audio.
- Entrada de audio: Conecte su fuente de audio (unidad principal) a la amplifier's input terminals. Use either the high-level inputs (speaker wire from head unit) or low-level inputs (RCA cables from head unit's pre-outs).
- Salida del altavoz: Conecte sus altavoces a la amplifier's speaker output terminals. Ensure correct polarity (+ to + and - to -) for each speaker.
Instrucciones de funcionamiento
Encendido inicial
After all connections are made, turn on your vehicle's ignition and then your audio head unit. The amplifier should power on, indicated by an LED indicator (if present).
Ajuste del control de ganancia
The variable gain control allows you to match the amplifier's input sensitivity to the output level of your head unit. Start with the gain control at its minimum setting. Play a familiar piece of music at a moderate volume on your head unit. Slowly increase the amplifier's gain control until you hear distortion, then back it off slightly until the sound is clear. Avoid setting the gain too high, as this can lead to distorted audio and potential damage to speakers or the ampmás duradero.
Mantenimiento
The Legacy LA120 ampEl elevador requiere un mantenimiento mínimo. Las revisiones periódicas pueden ayudar a garantizar su longevidad.
- Limpieza: Limpie periódicamente el exterior del amplifier with a soft, dry cloth to remove dust and debris. Do not use liquid cleaners or solvents.
- Ventilación: Ensure that the heat sink fins are not obstructed by dust or other materials. Proper airflow is essential for cooling.
- Verificación de conexión: Revise ocasionalmente todas las conexiones del cableado para asegurarse de que estén seguras y libres de corrosión. Las conexiones sueltas pueden provocar un rendimiento deficiente o daños.
Solución de problemas
Si tiene problemas con su amplifier, consulte los siguientes problemas y soluciones comunes:
| Problema | Posible causa | Solución |
|---|---|---|
| Sin energía / AmpEl lifier no se enciende | Fusible quemado, cable de alimentación/tierra/remoto suelto, salida remota de la unidad principal defectuosa. | Compruebe el fusible en línea y amplifier fuses. Verify all power, ground, and remote connections are secure and have proper voltage. Pruebe el cable remoto de 12 V cuando la unidad principal esté encendida. |
| Sin salida de sonido | No audio input signal, incorrect gain setting, speaker wires disconnected or shorted, ampLifier en modo de protección. | Check RCA/high-level input connections. Adjust gain. Inspect speaker wiring for shorts or disconnections. If amplifier is in protection, refer to protection section. |
| Sonido distorsionado | Gain set too high, poor ground connection, speaker impedance mismatch, damaged speakers. | Reduce gain setting. Ensure a solid ground connection. Verify speaker impedance matches amplifier's capabilities. Test speakers individually. |
| AmpModo de protección/sobrecalentamiento del ificador | Insufficient ventilation, low speaker impedance, prolonged high volume use, internal fault. | Asegúrese de que haya un flujo de aire adecuado alrededor del amplifier. Check speaker impedance. Reduce volume. If problem persists, seek professional service. The 3-way protection system (short/thermal/overload) will activate to prevent damage. |
Presupuesto
| Número de modelo | LA120 |
| Marca | Legado |
| Canales | 2 |
| Potencia de salida total | 240 Watts (120 Watts x 2 Channels) |
| Funciones de protección | 3-way (Short Circuit, Thermal Overload, Electrical Overload) |
| Material del disipador de calor | Aleación de aluminio de alta resistencia |
| Control de ganancia | Variable |
| Tipo de entrada | High-level / Low-level |
| Vol de funcionamientotage | 12 voltios CC |
| Dimensiones (L x An x Al) | 21 x 21 x 6.8 centímetros (aprox. 8.27 x 8.27 x 2.68 pulgadas) |
| Peso | 1.09 kg (aproximadamente 2.4 libras) |
| Tipo de montaje | Montaje independiente |
Garantía y soporte
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your purchase or visit the official Legacy Audio webSitio. Conserve su comprobante de compra para reclamaciones de garantía.
