To calculate the box volume (Vb):
\[ V_b = \frac{D^2 \cdot F_b^2}{23562} \]
Where:
A bass reflex speaker box, also known as a ported enclosure, is a type of speaker enclosure that includes a port or vent. This design allows for more efficient use of the speaker’s power and can produce deeper bass compared to a sealed enclosure. The port or vent works by allowing air to move in and out of the box, which enhances the low-frequency response of the speaker. The tuning of the port is critical and is determined by the box volume, port diameter, and the desired tuning frequency.
Let's assume the following values:
Using the formula:
\[ V_b = \frac{10^2 \cdot 40^2}{23562} = \frac{100 \cdot 1600}{23562} \approx 6.79 \text{ liters} \]
The box volume is approximately 6.79 liters.