1. Einleitung
Thank you for choosing the MTX Audio 5512-22 5500 Series Subwoofer. This 12-inch component subwoofer is engineered to deliver powerful and precise low-frequency sound for your car audio system. This manual provides essential information for proper installation, operation, and maintenance to ensure optimal performance and longevity of your subwoofer.

Abbildung 1: Vorderseite view of the MTX Audio 5512-22 Subwoofer.
2. Sicherheitshinweise
Please read and understand all instructions before installing and operating this subwoofer. Failure to follow these guidelines may result in injury or damage to the product or vehicle.
- Vor Beginn jeglicher elektrischer Arbeiten muss immer die Fahrzeugbatterie abgeklemmt werden.
- Sorgen Sie für eine ordnungsgemäße Verkabelung und Anschlüsse, um Kurzschlüsse und elektrische Gefahren zu vermeiden.
- Montieren Sie den Subwoofer sicher, um Bewegungen während der Fahrt zu verhindern.
- Vermeiden Sie längere Einwirkung extrem hoher Lautstärken, da diese zu Gehörschäden führen können.
- Dieses Produkt enthält Chemikalien, von denen der Staat Kalifornien weiß, dass sie Krebs und Geburtsfehler oder andere Fortpflanzungsschäden verursachen.
3. Einrichtung und Installation
3.1 Auspacken
Carefully remove the subwoofer from its packaging. Inspect for any signs of damage during transit. Retain the packaging for future transport or service needs.
3.2 Kabelverbindungen
The MTX Audio 5512-22 features a dual voice coil design with a 2 Ohm impedance. Proper wiring is crucial for optimal performance and amplifier stability. Consult your amplifier's manual for recommended wiring configurations for a 2 Ohm load.

Abbildung 2: Rückseite view showing the subwoofer's terminals.
3.3 Empfehlungen für Gehäuse
For best results, install the 5512-22 subwoofer in a sealed or ported enclosure designed for its specifications. The enclosure's volume and port tuning (for ported designs) significantly impact sound quality and output. Refer to specialized car audio resources or professional installers for appropriate enclosure designs.

Abbildung 3: Seite view of the subwoofer, highlighting its robust construction.
3.4 AmpVerstärkerverstärkungseinstellung
Einstellen der amplifier gain correctly is essential to prevent distortion and potential damage to your subwoofer and amplifier. The gain control is used to match the output voltage of your source unit (head unit) to the input sensitivity of your amplifier, not as a volume control.
To properly set your amplifier's gain, you can use Ohm's Law to calculate the target RMS voltage output. For the 5512-22, with a 400W RMS power rating and 2 Ohm impedance, the desired RMS voltage is approximately 31.62 Volts (V = √(P * R) = √(400W * 2Ω) = √800 ≈ 28.28V, or if using 500W RMS as in the video example, V = √(500W * 2Ω) = √1000 ≈ 31.62V).
A multimeter is required for accurate gain setting. Play a test tone (e.g., 50Hz sine wave) at 0dB from your source unit with the volume set to about 75-80% of maximum. With the subwoofer disconnected from the amplifier, measure the AC voltage am amplifier's speaker terminals. Adjust the amplifier's gain control until the multimeter reads the calculated target RMS voltage. Ensure all bass boost, subsonic filters, and low-pass filters on the amplifier are set to their minimum or off positions during this process to achieve the widest bandwidth for gain setting.
Video 1: Detailed instructions on how to set your amplifier gain using Ohm's Law for optimal performance and to prevent damage.
4. Bedienung
Once installed and properly configured, your MTX Audio 5512-22 subwoofer is ready for use. Adjust your head unit's volume and amplifier's filters (low-pass filter, subsonic filter, bass boost) to achieve your desired sound. Start with conservative settings and gradually increase them to avoid overdriving the subwoofer or ampschwerer.
- Tiefpassfilter (LPF): This filter allows only frequencies below a set point to pass through to the subwoofer. Typically set between 80Hz and 120Hz, depending on your other speakers.
- Unterschallfilter: This filter removes extremely low frequencies that are inaudible and can cause the subwoofer to over-excurt, potentially causing damage. Set it slightly below your enclosure's tuning frequency.
- Bassverstärkung: Use sparingly. Excessive bass boost can lead to distortion and damage. If more bass is desired, consider adjusting the enclosure or amplifier gain slightly.
5. Wartung
The MTX Audio 5512-22 subwoofer requires minimal maintenance to ensure long-lasting performance.
- Reinigung: Verwenden Sie ein weiches, trockenes Tuch, um den Kegel und die Umgebung abzuwischen. Vermeiden Sie die Verwendung aggressiver Chemikalien oder übermäßige Feuchtigkeit.
- Inspektion: Periodically check all wiring connections for tightness and corrosion. Ensure the subwoofer is securely mounted in its enclosure.
- Vermeiden Sie Übersteuerung: Listen for signs of distortion (clipping) from your amplifier or subwoofer. Reduce volume or adjust settings immediately if distortion is heard.
6. Fehlerbehebung
Sollten Sie Probleme mit Ihrem Subwoofer haben, beachten Sie bitte die folgenden häufigen Probleme und Lösungen:
- Kein Ton:
- Check all power, ground, remote, and signal connections.
- Verifizieren amplifier is powered on (power indicator light).
- Überprüfen ampVerstärkersicherungen.
- Ensure source unit is providing an audio signal.
- Verzerrter Klang:
- Reduzieren amplifier gewinnen.
- Check for proper impedance matching between subwoofer and ampschwerer.
- Ensure speaker wires are not shorted.
- Reduce bass boost settings.
- Schwacher Bass:
- Zunahme ampDie Verstärkung steigt allmählich an.
- Adjust low-pass filter frequency.
- Verify correct polarity of speaker wiring.
- Check enclosure for air leaks or improper volume.
7. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Modellname | 5512-22 |
| Lautsprechertyp | Subwoofer |
| Subwoofer-Durchmesser | 12 Zoll |
| Spitzenleistung | 800 Watt |
| RMS-Leistung | 400 Watt |
| Impedanz | 2 Ohm |
| Polypropylen-Kegel | Ja |
| Inverted Apex Rubber Surround | Ja |
| Spider Plateau Venting | Ja |
| Technische Daten | 12"T x 12"B x 5"H |
| Artikelgewicht | 10.7 Pfund |
| Frequenzgang | 31 Hz (Untergrenze) |
| Im Lieferumfang enthaltene Komponenten | Subwoofer |
8. Garantie und Support
The MTX Audio 5512-22 Subwoofer comes with a 2 Jahr eingeschränkte GarantieBitte bewahren Sie Ihren Kaufbeleg für Garantieansprüche auf.
For technical assistance or further inquiries, please contact MTX Audio Tech Support at 800.225.5689.