Alpine SWS-12D4 12-inch Dual-Voice-Coil 4-Ohm Subwoofer Instruction Manual

1. Introduzione

This manual provides detailed instructions for the installation, operation, and maintenance of your Alpine SWS-12D4 12-inch Dual-Voice-Coil 4-Ohm Subwoofer. Please read this manual thoroughly before attempting installation or operation to ensure proper use and optimal performance. Retain this manual for future reference.

Figure 1: Alpine SWS-12D4 12-inch Subwoofer. This image shows a side view of the subwoofer, highlighting its cone and the robust magnet structure.

2. Informazioni sulla sicurezza

Durante l'installazione e il funzionamento, osservare sempre le seguenti precauzioni di sicurezza:

• Installazione professionale consigliata: For optimal performance and safety, professional installation by an authorized Alpine dealer is highly recommended.
• Disconnessione dell'alimentazione: Before starting any installation, disconnect the negative terminal of your vehicle's battery to prevent electrical shorts and damage.
• Cablaggio: Ensure all wiring is correctly connected and insulated to prevent short circuits and potential fire hazards. Use appropriate gauge wire for power and speaker connections.
• Montaggio: Securely mount the subwoofer to prevent it from becoming a projectile in the event of a sudden stop or collision.
• Ventilazione: Assicurare una ventilazione adeguata attorno al subwoofer e amplifier per evitare il surriscaldamento.
• Livelli del volume: L'esposizione prolungata a livelli di volume elevati può causare danni all'udito. Regolare il volume a un livello confortevole.
• Esposizione al liquido: Do not expose the subwoofer to moisture or liquids.

3. Configurazione e installazione

3.1 Requisiti di recinzione

The Alpine SWS-12D4 subwoofer is designed to perform optimally in a sealed or ported enclosure. Refer to the subwoofer's technical specifications or Alpine's official website for recommended enclosure volumes and port dimensions. An improperly sized enclosure can negatively impact sound quality and subwoofer longevity.

3.2 Montaggio del subwoofer

The SWS-12D4 is designed for flush mounting. Ensure the mounting surface is rigid and capable of supporting the subwoofer's weight. Cut a circular opening in the enclosure baffle that matches the subwoofer's cutout diameter. Secure the subwoofer using appropriate screws, ensuring an airtight seal between the subwoofer frame and the enclosure.

3.3 Configurazioni di cablaggio

The SWS-12D4 features a Dual-Voice-Coil (DVC) design with two 4-ohm voice coils. This allows for flexible wiring options to match your amprequisiti di impedenza del convertitore. Le configurazioni più comuni includono:

• Cablaggio parallelo (2 Ohm): Collegare insieme i terminali positivi di entrambe le bobine mobili e i terminali negativi di entrambe le bobine mobili. Quindi collegare il positivo combinato al ampl'uscita positiva del lificatore e quella negativa combinata al amplifier's negative output. This results in a 2-ohm load.
• Cablaggio in serie (8 Ohm): Collegare il terminale positivo di una bobina mobile al terminale negativo dell'altra bobina mobile. Quindi collegare il terminale positivo rimanente alla ampl'uscita positiva del lifier e il terminale negativo rimanente al amplifier's negative output. This results in an 8-ohm load.

Verifica sempre il tuo amplifier's stable impedance range before wiring. Incorrect impedance can damage your amplifier o subwoofer.

Figura 2: Posteriore view of the Alpine SWS-12D4 subwoofer. This image displays the dual voice coil terminals, essential for understanding wiring configurations.

4. Utilizzo del subwoofer

4.1 Accensione iniziale e rodaggio

After installation, perform an initial power-up at a low volume. Gradually increase the volume to ensure all connections are secure and the subwoofer is functioning correctly. A break-in period of several hours at moderate listening levels is recommended to allow the subwoofer's suspension components to loosen and achieve optimal performance.

4.2 AmpImpostazioni del lificatore

Corretto amplifier settings are crucial for sound quality and subwoofer longevity. Adjust the following on your amplificatore:

• Guadagno: Imposta il ampguadagno del lifier per abbinare il volume di uscitatage dell'unità principale. Non utilizzare il controllo del guadagno come manopola del volume; deve essere impostato in modo da evitare il clipping.
• Filtro passa-basso (LPF): Set the LPF to filter out high frequencies, typically between 60 Hz and 100 Hz, allowing only bass frequencies to reach the subwoofer.
• Filtro subsonico: If available, set the subsonic filter to protect the subwoofer from playing frequencies below its resonant frequency, which can cause damage.
• Aumento dei bassi: Use bass boost sparingly, if at all. Excessive bass boost can lead to clipping and damage the subwoofer.

Figura 3: in alto view of the Alpine SWS-12D4 subwoofer. This image shows the cone and surround, which are critical for sound reproduction and require careful handling.

5. Manutenzione

The Alpine SWS-12D4 subwoofer requires minimal maintenance. Follow these guidelines to ensure its longevity:

• Pulizia: Periodically wipe the subwoofer cone and surround with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or excessive moisture.
• Ispezione: Regularly inspect the speaker terminals and wiring for corrosion or loose connections. Ensure the mounting screws are tight.
• Protezione ambientale: Proteggere il subwoofer da temperature estreme, luce solare diretta e umidità.

6. Risoluzione Dei Problemi

Se riscontri problemi con il subwoofer, fai riferimento ai seguenti problemi comuni e alle relative soluzioni:

If problems persist, contact an authorized Alpine service center or your dealer for assistance.

7. Specifiche

8. Garanzia e supporto

8.1 Informazioni sulla garanzia

Alpine products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Alpine websito. Conservare la ricevuta d'acquisto come prova d'acquisto per eventuali reclami in garanzia.

8.2 Assistenza clienti

If you require technical assistance, have questions about your product, or need to arrange for service, please contact Alpine customer support. Contact information can typically be found on the Alpine websito o nella documentazione fornita con il prodotto.

Ufficiale Alpino Websito: www.alpine-usa.com