Wstęp
This manual provides essential information for the proper installation, operation, and maintenance of your DD Audio 812F-D1 12-inch Dual 1-Ohm 7500W Subwoofer. Please read these instructions thoroughly before attempting to install or operate the subwoofer to ensure optimal performance and longevity.
Główne cechy
- Zaawansowane zarządzanie termiczne: Features a vented aluminum voice coil insert and finned aluminum heatsink designed to efficiently dissipate heat from critical components, ensuring sustained high-performance operation.
- Enhanced Excursion Capability: Equipped with a taller surround, double-stitched to a fiberglass-loaded, non-pressed cone, and a voice coil with increased winding length, supported by a double-layer spider for greater Xmax.
- Solidna konstrukcja: Engineered for durability and high power handling, converting raw power into clean audio output.
- Projekt estetyczny: The heatsink features polished aluminum DD logos, and the motor is encased in an embossed rubber boot.
Specyfikacje
Obraz 1: Przód view of the DD Audio 812F-D1 subwoofer, showcasing stożek i otoczenie.
| Specyfikacja | Wartość |
|---|---|
| Rozmiar głośnika | 12 cali |
| Waty RMS | 2500 W |
| Watts Peak | 7500 W |
| Impedancja | Dual 1-Ohm (D1) |
| Średnica cewki drgającej (VCD) | 4 cali |
| Średnica tłoka | 10.25 cali |
| Fs (Resonance Frequency) | 34 Hz |
| Qms (Mechanical Q Factor) | 6.282 |
| Qes (Electrical Q Factor) | 0.601 |
| Qts (Total Q Factor) | 0.548 |
| Vas (Equivalent Volume) | 18.84 litrów |
| Xmech (Mechanical Excursion) | 100 MM |
| Xmax (wycieczka liniowa) | 31 MM |
| Frame OD (Outer Diameter) | 12.625 cali |
| Frame OD w/Gasket | 12.875 cali |
| Średnica montażowa | 11.34 cali |
| Głębokość montażu | 11 cali |
| Średnica silnika | 9.45 cali |
| Głębokość silnika | 5.8 cali |
| Zalecana objętość obudowy z portami | 1.75 - 3.0 CuFt |
| Waga przedmiotu | 80 funtów |
| Tworzywo | Aluminium |
Konfiguracja i instalacja
Proper installation is crucial for the performance and longevity of your subwoofer. If you are unsure about any steps, it is recommended to seek assistance from a professional installer.
1. Wybór i konstrukcja obudowy
The DD Audio 812F-D1 is designed for optimal performance in a ported enclosure. Refer to the specifications section for recommended enclosure volumes (1.75 - 3.0 CuFt). Ensure the enclosure is robust, sealed properly, and adequately braced to prevent rattles and resonance. The mounting diameter required is 11.34 inches and mounting depth is 11 inches.
Obraz 2: Pod kątem view of the DD Audio 812F-D1 subwoofer, highlighting the robust motor structure.
2. Wiring and Impedance
This subwoofer features a Dual 1-Ohm voice coil configuration. It is critical to wire the voice coils correctly to achieve the desired impedance load for your amplifier. Common wiring configurations include:
- Parallel Wiring (0.5 Ohm): Connect positive to positive and negative to negative terminals of both voice coils. This results in a 0.5 Ohm load, which requires an amplifier stable at this impedance.
- Series Wiring (2 Ohm): Connect the positive of one voice coil to the negative of the other. The remaining positive and negative terminals are then connected to the amplifier. This results in a 2 Ohm load.
Zawsze upewnij się, że amplifier is stable at the chosen impedance. Using an amplifier with an impedance lower than its stable rating can cause damage to both the amplifier i subwoofer.
3. AmpDopasowanie lifier
Match the subwoofer's RMS power handling (2500W) with an amplifier that can provide sufficient clean power at the selected impedance. Underpowering a subwoofer can be as damaging as overpowering it, as it can lead to amplifier clipping and distorted signals.
4. Secure Mounting
Mount the subwoofer securely within the enclosure using appropriate fasteners. Ensure there is no air leakage around the mounting flange.
Instrukcja obsługi
Follow these guidelines for safe and optimal operation of your subwoofer.
- Okres docierania: Przed uruchomieniem subwoofera przy dużej głośności należy odczekać około 20–30 godzin umiarkowanego słuchania. Pozwoli to na rozluźnienie elementów zawieszenia i uzyskanie optymalnej wydajności.
- Ustawienie wzmocnienia: Ustaw ampwzmocnienie wzmacniacza poprawnie dopasowane do głośności wyjściowejtage of your head unit. Incorrect gain settings can lead to clipping and damage. Use a digital multimeter or oscilloscope for precise gain setting.
- Ustawienia crossovera: Utilize a low-pass filter (LPF) on your amplifier or head unit to send only low frequencies to the subwoofer. A typical starting point for LPF is 60-80 Hz.
- Filtr poddźwiękowy: Use a subsonic filter (high-pass filter for the subwoofer) to protect the subwoofer from playing frequencies below its tuning frequency, which can cause excessive excursion and damage.
- Zwróć uwagę na zniekształcenia: If you hear any distortion, rattling, or unusual noises, immediately reduce the volume. Continuous operation with distortion can cause permanent damage.
Obraz 3: Tył pod kątem view of the DD Audio 812F-D1 subwoofer, showing the motor and terminal connections.
Konserwacja
The DD Audio 812F-D1 subwoofer requires minimal maintenance to ensure long-term performance.
- Regularna kontrola: Periodically inspect the subwoofer cone, surround, and dust cap for any signs of damage, tears, or punctures.
- Czystość: Keep the subwoofer free from dust and debris. Use a soft, dry cloth to gently wipe surfaces. Avoid using harsh chemicals or excessive moisture.
- Kontrola połączenia: Ensure all wiring connections remain secure and free from corrosion. Loose connections can lead to signal loss or damage.
- Ochrona środowiska: Protect the subwoofer from extreme temperatures, direct sunlight, and moisture, which can degrade materials over time.
Rozwiązywanie problemów
If you experience issues with your subwoofer, consult the following common troubleshooting steps.
- Brak dźwięku:
- Sprawdź wszystkie połączenia zasilania i uziemienia ampliyfikator.
- Verify RCA signal cables are securely connected from the head unit to the ampliyfikator.
- Zapewnij amplifier jest włączony (sprawdź kontrolkę zasilania).
- Confirm the subwoofer wires are correctly connected to the amplifier and the subwoofer terminals.
- Sprawdzać ampbezpieczniki Lifier.
- Zniekształcony dźwięk:
- Zmniejszyć amplifier gain setting.
- Check for proper crossover settings; ensure the subwoofer is not playing frequencies too high.
- Sprawdź, czy stożek i obudowa subwoofera nie są uszkodzone fizycznie.
- Zapewnij amplifier is not clipping (indicated by a clipping light on some ampwężownice).
- Słaby bas:
- Zweryfikować amplifier gain is set appropriately.
- Check phase settings on the ampwzmacniacz lub jednostka główna.
- Ensure the enclosure is sealed and properly constructed.
- Confirm correct wiring impedance for the ampliyfikator.
- Przegrzanie subwoofera:
- Reduce volume and allow the subwoofer to cool.
- Zweryfikować amplifier is matched correctly to the subwoofer's RMS power handling.
- Zapewnij odpowiednią wentylację wokół ampwzmacniacz i subwoofer.
- Check for proper impedance matching.
Obraz 4: Dół view of the DD Audio 812F-D1 subwoofer motor, showing the heatsink design.
Informacje o gwarancji
The DD Audio 812F-D1 Subwoofer comes with a Ograniczona gwarancja. Specific terms and conditions of the warranty are typically provided with the product packaging or can be obtained from the manufacturer's official webStrona. Zachowaj dowód zakupu na wypadek roszczeń gwarancyjnych.
This warranty generally covers defects in materials and workmanship under normal use. It typically does not cover damage resulting from improper installation, abuse, accident, neglect, unauthorized repair, or modifications.
Wsparcie
For further assistance, technical support, or warranty inquiries, please contact DD Audio customer support or the authorized retailer from whom you purchased the product. Refer to the official DD Audio webstrona zawierająca informacje kontaktowe i dodatkowe zasoby.
Note: Always ensure to provide your product model (812F-D1) and proof of purchase when contacting support.
