1. Okwu mmalite
This manual provides essential information for the proper installation, operation, and maintenance of your Deaf Bonce Apocalypse DB-SA252 D1 12-inch Subwoofer. Please read this manual thoroughly before attempting to install or operate the subwoofer to ensure optimal performance and safety. This subwoofer is designed for high-performance audio systems, delivering powerful bass reproduction.

Foto 1: N'ihu view of the Deaf Bonce Apocalypse DB-SA252 D1 12-inch Subwoofer.
2. Ozi nchekwa
- Kwụpụ batrị ụgbọala ahụ mgbe niile tupu ị rụọ ọrụ eletriki ọ bụla.
- Ensure proper wiring and connections to prevent damage to the subwoofer, amplifier, or vehicle's electrical system.
- Zere ikpughe subwoofer na mmiri ma ọ bụ oke okpomọkụ.
- Do not operate the subwoofer beyond its specified power handling limits (RMS/MAX) to prevent damage.
- Securely mount the subwoofer to prevent movement during vehicle operation.
3. Ihe ngwugwu
Chọpụta na ihe niile dị na ngwugwu:
- 1x Deaf Bonce Apocalypse DB-SA252 D1 12-inch 2000 Watt Dual 1 Ohm Subwoofer
4. Nwụnye na Ntọala
4.1 Nlebanya nrịgo
Proper mounting is crucial for both performance and safety. Ensure the subwoofer is securely fastened within its enclosure and the enclosure is stable within the vehicle. Consider the following dimensions for installation:
- Omimi nrịgo: 6.6 sentimita asatọ
- Obosara Nkwanye: 11 sentimita asatọ
- N'ozuzu elu: 8 sentimita asatọ
- Dayameta N'ozuzu: 12.6 sentimita asatọ
4.2 Waya
The DB-SA252 D1 features a dual 1 Ohm voice coil. Proper wiring to your amplifier is essential to achieve the desired impedance and prevent damage. Consult your amplifier's manual for compatible impedance loads. Common wiring configurations for dual voice coil subwoofers include:
- Usoro waya: Connect the two 1 Ohm voice coils in series to achieve a 2 Ohm load.
- Wiring yiri: Connect the two 1 Ohm voice coils in parallel to achieve a 0.5 Ohm load. (Note: Ensure your amplifier is stable at 0.5 Ohm before attempting this configuration.)

Ọgụgụ 2: N'azụ view showing the subwoofer's terminals for wiring connections.
4.3 Recommended Enclosure Parameters
For optimal acoustic performance, it is highly recommended to install the subwoofer in a properly designed enclosure. The following table provides recommended parameters for a bass reflex (ported) enclosure for the DB-SA252 D1 model:

Figure 3: Recommended enclosure parameters for various Deaf Bonce subwoofer models, including the DB-SA252 D1/D2.
Based on the provided image, for the DB-SA252 D1/D2 model:
- Olu akwadoro: lita 50 / 1.8 ft³
- Mpaghara Port: 150 cm² / 23 inch²
- Ogologo Port: 62 cm / 24.4 inch
- Hz Setting (Tuning Frequency): 35 Hz
These parameters are guidelines. Fine-tuning may be required based on your specific vehicle acoustics and personal preferences.
5. Ntuziaka ọrụ
5.1 Oge ezumike
Allow a break-in period of approximately 10-20 hours of normal listening before operating the subwoofer at high volumes. This allows the suspension components to loosen and reach their optimal performance characteristics.
5.2 Ijikwa ike
The subwoofer has an RMS power rating of 1000 Watts and a MAX power rating of 2000 Watts. Ensure your amplifier's output matches these ratings to prevent underpowering or overpowering, both of which can lead to damage.
5.3 AmpNtọala lifier
Properly adjust your amplifier's gain, crossover, and bass boost settings. Start with low gain and gradually increase it until the desired volume is reached without distortion. Set the low-pass filter (LPF) to prevent high frequencies from reaching the subwoofer, typically between 60-100 Hz, depending on your system's other speakers.
6. Nlekọta
Regular maintenance ensures the longevity and performance of your subwoofer:
- Nhicha: Use a soft, dry cloth to clean the cone and surround. Avoid using harsh chemicals or excessive moisture.
- Nyocha: Periodically check all wiring connections for tightness and corrosion. Inspect the subwoofer's cone and surround for any signs of damage or wear.
- gburugburu: Keep the subwoofer in a dry, stable environment, away from direct sunlight and extreme temperature fluctuations.
7. Nchọpụta nsogbu
Ọ bụrụ na ị na-enwe nsogbu na subwoofer gị, lee nsogbu na ngwọta ndị a:
- Enweghị ụda:
- Check all power, ground, and remote turn-on connections to the ampna -emegharị ihe.
- Verify RCA signal cables are securely connected to both the head unit and ampna -emegharị ihe.
- Gbaa mbọ hụ na amplifier is powered on (indicator light should be lit).
- Check the subwoofer's voice coil wiring for proper connection and continuity.
- Ụda agbagọ:
- Belata ihe ampntọala uru lifier.
- Check for proper crossover settings; high frequencies can cause distortion.
- Ensure the subwoofer is not over-excursing (moving too far).
- Inspect the subwoofer cone and surround for physical damage.
- ekpo oke ọkụ:
- Gbaa mbọ hụ na amplifier is stable at the connected impedance.
- Verify adequate ventilation for the ampsubwoofer na ọkụ ọkụ.
- Reduce prolonged high-volume operation.
If problems persist, consult a professional car audio installer or contact Deaf Bonce customer support.
8. Nkọwapụta
Detailed technical specifications for the Deaf Bonce Apocalypse DB-SA252 D1 Subwoofer:
| Njirimara | Nkọwapụta |
|---|---|
| Aha Nlereanya | DB-SA252 D1 |
| Nha Ọkà Okwu | 12 sentimita asatọ |
| Ike RMS | 1000 Watt |
| MAX Ike | 2000 Watt |
| Mgbochi | Dual 1 Ohm (1+1 Ohm) |
| Nha Igwe Igwe olu | 2.50 sentimita asatọ |
| Voice Coil Wire Material | Ọla kọpa |
| Ihe cone | Akwụkwọ |
| Ihe ndọta | Ferrite |
| Ihe gbara ya gburugburu | ụfụfụ |
| SPL (Mmetụta) | 85.00 dB |
| Fs (Resonance Frequency) | 32.57 Hz |
| Qts (Total Q Factor) | 0.38 |
| BL (Motor Strength) | 23.22 |
| Vas (Equivalent Volume) | 24.91 L |
| Xmeh (Mechanical Excursion) | 30.00 mm |
| Xmax (Njem njem Linear) | 15.00 mm |
| Omimi Nrigo | 6.6 sentimita asatọ |
| N'ozuzu dayameta | 12.6 sentimita asatọ |
| Ibu Ibu | 27.7 pound |
| Agba | Nwa |
| UPC | 795958008986 |
9. Akwụkwọ ikike na nkwado
This Deaf Bonce Apocalypse DB-SA252 D1 Subwoofer comes with a Limited Warranty. For specific terms and conditions of the warranty, please refer to the documentation provided with your purchase or visit the official Deaf Bonce website. For technical support, troubleshooting assistance, or warranty claims, please contact Deaf Bonce customer service through their official channels.





