Active vs Passive Subwoofers;
| Active Subwoofers | Passive Subwoofers |
|---|
| Have Built-In Amplifiers. | Require External Amplifiers |
| Easier to Setup | Difficult To Setup |
| More Powerful | Less Powerful |
| Better Sound Quality | Good Sound Quality |
| Cost more | Less Expensive |
| Larger in Size | Smaller in Size |
Understanding Subwoofer Enclosures:
1. Sealed Enclosure:
Sealed enclosures take up less space than other types, making them suitable for installations with limited space. They are well-known for their accurate and tight bass response. They have a smooth roll-off, which makes them suitable for those who appreciate precise and well-defined bass. Sealed enclosures can absorb higher power levels without overheating, making them ideal for high-power applications.
2. Ported (Bass Reflex) Enclosures:
A vent or port in a ported enclosure allows air to flow in and out of the enclosure. They create greater bass output than sealed enclosures, especially in the lower frequency range. However, because of the additional port, they need more room than sealed enclosures.
3. Bandpass Enclosures
Bandpass enclosures combine sealed and ported enclosures to create an unique design. They are intended to emphasise a specific frequency range, creating a "peaky" bass response within that range. However, they are more difficult to build and tune appropriately, and their performance might be sensitive to design changes.
4. Transmission Line Enclosures:
These enclosures are based on acoustic transmission line theory principles, with a purpose of controlling and managing the back wave of the subwoofer driver to increase bass response and prevent distortion. They are more difficult to design and build than sealed or ported enclosures. The controlled transmission line contributes to the subwoofer system's overall efficiency, allowing it to produce louder and more impactful bass with less power.
How to Choose the Right Subwoofer According to Your Needs?
You should consider the following factors before deciding on the right Subwoofer for you.
Room Size:
Larger spaces require more powerful subwoofers to fill the space with bass. Compact subwoofers with less power, on the other hand, may benefit smaller rooms.
Subwoofer Placement:
Plan out where you'll put the subwoofer in the room. A corner location provides more bass reinforcement in general, but experiment with different positions to discover the optimal place for your room's acoustics.
Crossover and Integration:
Check that the crossover settings on the subwoofer can be modified to fit the frequency range of the main speakers. A well integrated subwoofer and main speakers enable a smooth transition.
