Use multiple speaker boxes, or one large box?
Many people who do their own speaker projects separate the woofer from the rest of the system, putting it in its own box. Often, people also bi-amp the system, using a separate amplifier for the woofers. This greatly simplifies crossover construction and gives you more control over bass. The mid and tweeter should be at roughly the ear level of the listener (when sitting) so that the sound doesn’t seem to come from above or below. You could build a box that was 4 feet tall. This just means more work and wood, but build the speaker you want. It is cheaper and simpler to build a large sub box, with a much smaller bookshelf sized speaker. Another option, which is becoming more and more popular with manufacturers, is to make a single, thin, deep box with a side firing woofer, as in the NHT 3.3 on the right. The front of the box is just wide enough to fit the mid and tweeter, and the box is just deep enough to fit the woofer on the side. The necessary volume for the woofer comes from the bo
