1. Introduksjon
This manual provides essential information for the proper installation, operation, and maintenance of your Focal SUB 12 12-inch subwoofer. Please read these instructions thoroughly before attempting to install or use the product. Retain this manual for future reference.

Figur 1: Foran view of the Focal SUB 12 subwoofer.
2. Sikkerhetsinstruksjoner
- Strømhåndtering: Sørg for at amplifier connected to the subwoofer does not exceed the subwoofer's maximum power handling (600 W MAX) to prevent damage.
- Kabling: Always disconnect the vehicle's battery before making any electrical connections. Ensure correct polarity when wiring the subwoofer. Incorrect wiring can cause damage to the subwoofer or amplivligere.
- Vedlegg: Install the subwoofer in a suitable enclosure (sealed or bass-reflex) as recommended for optimal performance and longevity.
- Montering: Securely mount the subwoofer to prevent movement during vehicle operation. Loose components can cause injury or damage.
- Miljø: This product is not waterproof. Avoid exposure to moisture or extreme temperatures.
- Profesjonell installasjon: Hvis du er usikker på noe ved installasjonen, bør du kontakte en kvalifisert bilstereo-ekspert.
3. Pakkens innhold
Bekreft at alle varene er til stede i pakken:
- 1x Focal SUB 12 12-inch Subwoofer
- Bruksanvisning (dette dokumentet)
4. Oppsett og installasjon
The Focal SUB 12 subwoofer is designed for installation in a custom enclosure. It can be used effectively in both sealed and bass-reflex (ported) box configurations.
4.1 Anbefalinger for innkapsling
- Forseglet boks: Minimum recommended volume from 15 liters. A sealed enclosure provides tight, accurate bass response.
- Bass-Reflex Box: Minimum recommended volume from 30 liters. A bass-reflex enclosure typically offers louder, deeper bass output.
Consult a car audio specialist or use specialized software for precise enclosure design tailored to your vehicle and listening preferences.
4.2 Wiring the Subwoofer
The SUB 12 features a single 4-Ohm voice coil. Connect the subwoofer to your amplifier using appropriate gauge speaker wire. Ensure secure connections at both the subwoofer terminals and the amplivligere.

Figur 2: Bak view of the SUB 12, showing the push terminals for wiring.
Tilkoblingstrinn:
- Identify the positive (+) and negative (-) terminals on both the subwoofer and your amplivligere.
- Connect the positive (+) terminal of the subwoofer to the positive (+) output of the amplivligere.
- Connect the negative (-) terminal of the subwoofer to the negative (-) output of the amplivligere.
- Ensure all connections are tight and free from short circuits.
4.3 Komponent overview

Figure 3: Diagram illustrating key components of the Focal SUB 12 subwoofer.
The SUB 12 features a robust design for optimal performance and durability:
- Butyl Surround: Provides superior resistance and durability for long-lasting performance.
- Polypropylenkjegle: Offers high rigidity, which reduces distortion even at extreme volumes, ensuring clear and powerful bass.
- Steel Chassis: A rigid and compact frame that provides structural integrity.
- Spider Decompression: Enhances voice coil ventilation, contributing to improved power handling and reliability.
- Push Terminals: Simple and reliable connection points for speaker wire.
5. Betjening av subwooferen
Once installed and wired correctly, the subwoofer will operate in conjunction with your car audio system. The bass output level and crossover frequency are typically controlled by your amplifier eller hovedenhet.
- Første oppstart: After installation, turn on your audio system at a low volume. Gradually increase the volume and adjust bass settings to your preference.
- Innkjøringsperiode: Allow a break-in period of several hours of normal listening before operating the subwoofer at high volumes. This allows the suspension components to loosen and perform optimally.
- Volumkontroll: Avoid excessive volume levels that cause audible distortion or rattling, as this can damage the subwoofer.
6. Vedlikehold
The Focal SUB 12 subwoofer requires minimal maintenance.
- Rengjøring: Bruk en myk, tørr klut til å tørke av kjeglen og omgivelsene. Unngå bruk av sterke kjemikalier eller slipende rengjøringsmidler.
- Undersøkelse: Periodically check wiring connections for tightness and ensure the subwoofer is securely mounted in its enclosure.
- Miljø: Keep the subwoofer free from dust, debris, and direct sunlight, which can degrade materials over time.
7. Feilsøking
If you experience issues with your Focal SUB 12 subwoofer, refer to the following common problems and solutions:
| Problem | Mulig årsak | Løsning |
|---|---|---|
| Ingen lyd fra subwooferen |
|
|
| Forvrengt eller uklar bass |
|
|
| Subwooferen kutter ut av og til |
|
|
If these steps do not resolve the issue, contact Focal customer support or a qualified technician.
8. Spesifikasjoner
| Trekk | Spesifikasjon |
|---|---|
| Modellnavn | U12 |
| Høyttalertype | Komponent subwoofer |
| Subwooferdiameter | 12 tommer (30 centimeter) |
| Nominell impedans | Single 4-Ohm |
| RMS Power Handling | 300 W |
| Maksimal krafthåndtering | 600 W |
| Tilkoblingsteknologi | Kablet |
| Produktdimensjoner (D x B x H) | 18" x 8" x 14" (Approximate) |
| Varevekt | 11 pund (5 kilo) |
| Inkluderte komponenter | U12 |
| Produsent | Fokal |
| Monteringstype | Flush Mount |
| Vanntett | Ingen |
9. Garantiinformasjon
Focal products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship under normal use. The specific terms and duration of the warranty may vary by region and retailer. Please retain your proof of purchase for warranty claims.
For detailed warranty information, please refer to the warranty card included with your product or visit the official Focal webnettstedet.
10. Støtte
For technical assistance, troubleshooting, or further inquiries regarding your Focal SUB 12 subwoofer, please contact Focal customer support or your authorized Focal dealer.
You can find contact information and additional resources on the official Focal webnettsted: www.focal.com





