1. Introduction
Thank you for choosing the Deaf Bonce Apocalypse DB-SA305 D1 15" Subwoofer. This high-performance subwoofer is engineered to deliver powerful, deep bass and exceptional sound quality for car audio enthusiasts. This manual provides essential information for proper installation, operation, and maintenance to ensure optimal performance and longevity of your subwoofer.
What's in the Box
- 1x Deaf Bonce Apocalypse DB-SA305 D1 15" Subwoofer
- 1x Instruction Manual
Figure 1: Deaf Bonce Apocalypse DB-SA305 D1 15" Subwoofer (Front View)
2. Specifications
The Deaf Bonce Apocalypse DB-SA305 D1 subwoofer is built with high-quality components to ensure durability and superior audio performance. Below are the detailed technical specifications:
| Feature | Specification |
|---|---|
| Size | 15 inch |
| RMS Power | 2000 W |
| MAX Power | 4000 W |
| Impedance | 1+1 Ohm (Dual 1-Ohm) |
| Voice Coil Size | 3.00 inch |
| Voice Coil Wire | CCAW |
| Cone Material | Paper |
| Surround Material | Foam |
| Magnet Material | Ferrite |
| Frame Material | Alu (Aluminum) |
| SPL (Sensitivity) | 88.30 dB |
| Fs (Resonance Frequency) | 31.70 Hz |
| Qts (Total Q Factor) | 0.40 |
| BL (Motor Strength) | 18.50 |
| Vas (Equivalent Volume) | 61 L |
| Xmax (Linear Excursion) | 18 mm |
| Cutout Diameter | 14" / 358mm |
| Mounting Depth | 7.9" / 199.5mm |
| Overall Depth | 9.2" / 234.8mm |
| Overall Width | 15.7" / 399.8mm |
| Item Weight | 45 Pounds |
Figure 2: Subwoofer Dimensions and Mounting Specifications
3. Setup and Installation
Proper installation and wiring are critical for the performance and safety of your subwoofer. It is recommended that installation be performed by a qualified professional.
Mounting the Subwoofer
Ensure the subwoofer is securely mounted in an appropriate enclosure. Refer to the dimensions in the specifications section for proper cutout and mounting depth. Use appropriate hardware to prevent movement during vehicle operation.
Figure 3: Subwoofer Bottom View showing terminals and frame
Wiring Configurations (Dual 1-Ohm Voice Coils)
The DB-SA305 D1 features dual 1-Ohm voice coils, offering flexibility in wiring to achieve different impedance loads for your amplifier. Always ensure your amplifier is stable at the chosen impedance.
Series Wiring (2 Ohms)
To achieve a 2-Ohm load, wire the two 1-Ohm voice coils in series. This is done by connecting the positive terminal of one voice coil to the negative terminal of the other voice coil. The remaining positive and negative terminals will then connect to your amplifier.
Parallel Wiring (0.5 Ohms)
To achieve a 0.5-Ohm load, wire the two 1-Ohm voice coils in parallel. This is done by connecting the positive terminals of both voice coils together, and the negative terminals of both voice coils together. The combined positive and negative connections will then go to your amplifier.
Video 1: Wiring Configuration for a Single Dual Voice Coil 1-Ohm Subwoofer (Series and Parallel)
Video 2: Resilient Sounds Gold 15 Subwoofer Overview (Relevant for general subwoofer features and construction)
Video 3: Black Diamond Audio DIA-T15.2D Unboxing (Relevant for general subwoofer features and construction)
4. Operating Guidelines
Break-in Period
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 up and achieve optimal performance.
Amplifier Settings
Set your amplifier's gain correctly to match the output voltage of your head unit. Avoid setting the gain too high, as this can lead to clipping and damage to the subwoofer. Use a low-pass filter (LPF) to ensure the subwoofer only reproduces low frequencies, typically between 60Hz and 100Hz, as recommended by your amplifier or system setup.
5. Maintenance
To ensure the longevity and performance of your Deaf Bonce subwoofer, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the subwoofer cone and surround. Avoid using harsh chemicals or abrasive materials.
- Inspection: Periodically inspect the subwoofer for any signs of damage to the cone, surround, or voice coil. Ensure all wiring connections are secure.
- Environmental Conditions: Avoid exposing the subwoofer to extreme temperatures, moisture, or direct sunlight for extended periods.
6. Troubleshooting
If you experience issues with your subwoofer, refer to the following common troubleshooting steps:
- No Sound:
- Check all wiring connections from the amplifier to the subwoofer and the head unit.
- Verify the amplifier is powered on and not in protect mode.
- Ensure the head unit's volume is up and the subwoofer output is enabled.
- Distorted Sound:
- Reduce the amplifier's gain setting.
- Check for proper enclosure size and tuning.
- Ensure the subwoofer is not over-driven.
- Overheating:
- Verify the impedance load matches the amplifier's stable operating range.
- Ensure adequate ventilation for the amplifier.
- Check for proper gain settings to avoid clipping.
7. Warranty Information
This Deaf Bonce Apocalypse DB-SA305 D1 Subwoofer comes with a limited warranty. Please refer to the warranty card included with your product or contact your retailer for specific terms and conditions regarding coverage and duration.
8. Support
For further assistance, technical support, or warranty claims, please contact your authorized Deaf Bonce retailer or the manufacturer directly. Ensure you have your product model number (DB-SA305-D1) and proof of purchase available when seeking support.
